Manuale d’uso / di manutenzione del prodotto XR 12404 del fabbricante Cisco
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THE SPECIFICA TIONS AND INFORMA TION REGA RDING THE PR ODUCT S IN THIS M ANUAL ARE SUBJECT TO CHANGE WITHO UT NO TICE. ALL ST A TEMENTS, INFORMA TION, AND RECOMMEND A TION S IN THIS MANUAL ARE BELIEVED TO BE A CCURA TE BUT ARE PRESENTE D WITHOUT W ARRANTY OF ANY KIN D, EXPRESS O R IMPLIED.
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todd.book Page 4 Monday, March 16, 2009 2:4 7 PM.
5 Cisco XR 12404 Rout er Installation Guide OL-13830-02 CONTENTS Preface ix Changes to This Document ix Obtaining Documentation and Submittin g a Service Request x Audience x Purpose xi Installation G.
Contents 6 Cisco XR 12404 Router Installation Guide OL-13830-02 Fan Tray Assemb ly 1-26 Cable Management Sy stem 1-28 Maintenan ce Bus 1-31 Power-On/Off Control 1-31 CHAPTER 2 Preparing for Installati.
7 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Contents Installing the Chassis on a Tabletop or Flat Surfa ce 3-8 Supplemental Bonding and Grounding Connections 3-8 Connecting RP and Line Car.
Contents 8 Cisco XR 12404 Router Installation Guide OL-13830-02 Removing and Installing the Front Cover 5-4 Removing and Replacing the Air F ilter 5-8 Removing and Replacing the Fan Tray Assembly 5-11.
ix Cisco XR 12 404 Router Installation Guide OL-13830-02 Preface Revised: March, 2009, OL-138 30-02 The Cisco XR 12404 Router Installa tion Guide provides inf ormatio n relate d to installation an d remov al of Cisco XR 12404 Router Ch assis.
Prefac e Obtaining Documentation and Sub mitting a Service Request x Cisco XR 12404 Router Installat ion Guide OL-13830-02 Obtaining Documentation and Submitting a Service Request For i n formation on.
xi Cisco XR 12 404 Router Installation Guide OL-13830-02 Preface Purpose Purpose This instal lation and conf iguration guide e xplains the hardware in stallation and basic configuration proc edures for a Cisco XR 12404 Router. It contains p rocedures for installing t he hardware, creating a basic config uration file, and starting up the router .
Prefac e Document Convention s xii Cisco XR 12404 Router Installat ion Guide OL-13830-02 Document Conventions This publicati on uses the follo wing con vention s: • The ke y combination Ctrl-z means hold do wn the Control ke y while you press the z key .
xiii Cisco XR 12 404 Router Installation Guide OL-13830-02 Preface Document Co nventions T imesaver Means the described action saves time . Y ou can sa ve time b y performing the action described in the paragr aph. War n i ng This warning symbol means danger .
Prefac e Document Convention s xiv Cisco XR 12404 Router Installat ion Guide OL-13830-02 todd.book Page xiv Mo nday, March 16, 2009 2 :47 PM.
1-1 Cisco XR 12404 Rout er Installation Guide OL-13830-02 CH A P T E R 1 Cisco XR 12404 Router Overview This chap ter provides a n ove rview of the Cisco XR 12404 router. It contains physical descriptions of the router hardware and major components, an d functional descriptions o f hardware-rel ated features.
Chapter 1 Cisc o XR 12404 Router Overview Router Overview 1-2 Cisco XR 12404 Router Installation Guide OL-13830-02 Figur e 1 -1 Cisco XR 12404 Router—PRP2 Fr ont View Figur e 1 -2 Cisco 12404 Router.
1-3 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Physical and Functional Description of the Route r Physical and Functional Description of the Router The Cisco XR 12404 router supports up to 8 chassis in a one standard 7-foot (2.
Chapter 1 Cisc o XR 12404 Router Overview Route Processor 1-4 Cisco XR 12404 Router Installation Guide OL-13830-02 Route Processor The route processor for the Cisco XR 12404 router is the Performance Route Processor (PRP-2).
1-5 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Route Proc essor The Designated System Controller (D SC) performs the follo wing functions: • Imple.
Chapter 1 Cisc o XR 12404 Router Overview Route Processor 1-6 Cisco XR 12404 Router Installation Guide OL-13830-02 Ta b l e 1- 1 P erfor mance Route Pr ocessor -2 (PRP -2) F ront P anel Hardw a r e Co.
1-7 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Route Proc essor Note PRP-3 supports Cisco XR 12404 (10 G p er slot fabric) and Ci sco XR 12804 (40 G per slot fab ric) Router chassis only . PRP-3 does not support Cisco XR 12004, 12006, 12010, and 12016 Router chassis (2.
Chapter 1 Cisc o XR 12404 Router Overview Route Processor 1-8 Cisco XR 12404 Router Installation Guide OL-13830-02 • LINK, EN, TX, RX—Ind icate link acti vity (LINK), port en abled (EN), data transmission (TX), an d data reception (RX ). • PRIMAR Y—Indicates which Ethernet por t is selected (ETH 0 or ETH 1).
1-9 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Route Proc essor • The auxiliary po rt—A (male) plug that provides a data termina l equipmen t (DTE) interf ace.
Chapter 1 Cisc o XR 12404 Router Overview Route Processor 1-10 Cisco XR 12404 Router Installation Guide OL-13830-02 Caution The reset switch is not a mechanism for resetting the PRP and reloading the Cisco IOS image. It is intended for software de v elopment use only .
1-11 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Route Proc essor • During the boot process, th e message displa ys are co ntrolled directly by the MBus module. • After the boo t process, the message disp lays are co ntrolled by Cisco IO S XR software (th rough the MBus).
Chapter 1 Cisc o XR 12404 Router Overview Route Processor 1-12 Cisco XR 12404 Router Installation Guide OL-13830-02 PRP Memory Components This section describes v arious types of memory used on the PRP to support router functions.
1-13 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Route Proc essor Figur e 1 -8 PRP -2 Memory Locations ACT SIG ACT SIG SLOT -1 SLO T-0 CONSOLE ETH 2 .
Chapter 1 Cisc o XR 12404 Router Overview Route Processor 1-14 Cisco XR 12404 Router Installation Guide OL-13830-02 Figur e 1- 9 PRP -3 Memory Locations 1 SDRAM DIMM: Bank 1 - Socket number U8 2 SDRAM DIMM: Bank 2 - Socket number U10 3 External CompactFlash 4 Hard disk (80 GB) 5 Internal CompactFlash 272360 5 3 1 2 4 todd.
1-15 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Route Proc essor Ta b l e 1 -4 PRP -3 Memory Components Ty p e Size Quantity Description Location SDRAM 1 1. Default SDRAM con figuration is a to tal of 4 GB (2 x 2GB) syst em memory for PRP-3.
Chapter 1 Cisc o XR 12404 Router Overview Route Processor 1-16 Cisco XR 12404 Router Installation Guide OL-13830-02 PRP SDRAM The PRP uses Error Checking and Co rrection (ECC) Synchronized Dynamic Random Access Memory (SDRAM) to store ro uting tables, protocols, network accounting appl ications, and to run Cisco IOS software.
1-17 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Route Proc essor Ta b l e 1- 6 PRP3 DDR2 DRAM Configur ation PRP SRAM Static Random Access Memory (SRAM) provides 2 MB of secondary CPU cach e memory .
Chapter 1 Cisc o XR 12404 Router Overview Route Processor 1-18 Cisco XR 12404 Router Installation Guide OL-13830-02 Ta b l e 1-7 lists supported f lash disk sizes and Cisco part numbers. PRP-3 Compact Flash PRP-3 provides more fl ash memory than PRP-2.
1-19 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Supported Line Cards Supported Line Cards The Cisco XR 12404 router is shipped wit h up to three installed line cards and one route processor that provide a v ariety of n etwork media ty pes.
Chapter 1 Cisc o XR 12404 Router Overview Supported Line Cards 1-20 Cisco XR 12404 Router Installation Guide OL-13830-02 Figure 1-11 sho ws examples of single-mo de and multimode line cards.
1-21 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Consolid ated Switch Fabric Ca rd Consolidated Switch Fabric Card The Cisco XR 12404 router CSF card.
Chapter 1 Cisc o XR 12404 Router Overview Consolidated Switch Fa bric Card 1-22 Cisco XR 12404 Router Installation Guide OL-13830-02 • LEDs – LEDs alert you to a condition in the router . Th e determination of a critical, major , or minor alarm condi tion is designed into Cisco IOS XR sof tware run ning on your route processor .
1-23 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Power Entry Modules Switch Fabric Functionality Switch fabri c circuitry provides up to 40 Gbps (full du plex) of synchronized speed interconnections that carries u ser traf fi c between line c ards or between the route processor and the line cards.
Chapter 1 Cisc o XR 12404 Router Overview Power Entry Mo dules 1-24 Cisco XR 12404 Router Installation Guide OL-13830-02 AC PEMs Each A C PEM con v erts 200 to 240 V A C into -48 VDC, which is distrib uted through the chassis backpl ane to all cards, RPs, and the fan assembly .
1-25 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Power Entry Modules DC PEMs Each DC PEM operates from a nominal so urce DC vo ltage of -48 to -60 VDC and requires a dedicated 35-A mp service. Figure 1-1 3 identif ies the components of a DC power supply .
Chapter 1 Cisc o XR 12404 Router Overview Fan Tray Assem bly 1-26 Cisco XR 12404 Router Installation Guide OL-13830-02 The status LEDs on the DC PEM pr ovide information about the current operational status of the po wer supply . Ta b l e 1-10 summarizes the function of these indicators.
1-27 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Fan Tray Assembly The fan tray assembly is a sheet meta l enclosure containing 7 f ans and 2 fan controller cards ( Figure 1-14 ).
Chapter 1 Cisc o XR 12404 Router Overview Cable Manageme nt System 1-28 Cisco XR 12404 Router Installation Guide OL-13830-02 Cable Management System The Cisco XR 12404 router is set up wi th two types.
1-29 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Cable Management System • Chassis cable-management bracket (see Figure 1-16 )—Atta ched to th e chassis and routes the line card ca bles a way from the c hassis.
Chapter 1 Cisc o XR 12404 Router Overview Cable Manageme nt System 1-30 Cisco XR 12404 Router Installation Guide OL-13830-02 Cable-management systems: • Organize the interf ace ca bles on the line cards, route processor , and cl ock and scheduler cards as the y enter and e xit the system.
1-31 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 1 Cisco XR 12404 Router Overview Mainte nance Bus Maintenance Bus The Cisco XR 12404 router maintenance b us and MBus modules man age all of the maintenance functions of the syst em . The MBus consists of two separate b usses (prov iding MBus redundancy ).
Chapter 1 Cisc o XR 12404 Router Overview Maintenance Bus 1-32 Cisco XR 12404 Router Installation Guide OL-13830-02 Code Download A portion of the li ne card operating softw are can be download ed from the route processor to the line card over the MBus .
2-1 Cisco XR 12404 Rout er Installation Guide OL-13830-02 CH A P T E R 2 Preparing for Installation This chapter p rovides specif ic information about prep aring your site for the installation of t he Cisco XR 12404 Router.
Chapter 2 Prep aring for Installation Tools an d Equ ipment 2-2 Cisco XR 12404 Router Installation Guide OL-13830-02 Tools and Equipment The Cisco XR 12404 Rout er is designed to be installed with a minimum number of tools. The following tools are requ ired.
2-3 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 2 Preparing for Installation Safety and Compliance General Safety Guidelines The follo wing are some general safety guid elines you should be aware of when installing or main taining the Cisco XR 12404 Router.
Chapter 2 Prep aring for Installation Safety and Compliance 2-4 Cisco XR 12404 Router Installation Guide OL-13830-02 • A Cisco XR 12404 Router conf igured with a DC PEM requires a dedicated 35–Amp DC circuit breaker for the DC po wer source.
2-5 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 2 Preparing for Installation Safety and Compliance Attaching an ESD-Preventive Strap Attach an ESD antistatic strap to your bo dy and to an open metal part of the chassis on the Cisco XR 12404 Router ( Figure 2-1 ).
Chapter 2 Prep aring for Installation Safety and Compliance 2-6 Cisco XR 12404 Router Installation Guide OL-13830-02 Laser Safety Single-mode sty le line cards for the Cisco XR 12404 Ro uter are equipped with lasers, which emit in visible radiation. Do not stare into open l ine card ports.
2-7 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 2 Preparing for Installation Safety and Compliance Figur e 2-2 Lif ting a Cisco XR 12404 Router Each time you lift an y heavy assembl .
Chapter 2 Prep aring for Installation Safety with Electricity 2-8 Cisco XR 12404 Router Installation Guide OL-13830-02 Safety with Electricity Most Cisco XR 12404 Router field repl aceable units (FRUs.
2-9 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 2 Preparing for Installation Installation Site Requirements Rack Mounting Clearance The rack-mounting hardware inclu ded with the Cisco XR 12404 Router is suitabl e for most 19 inch equipment racks.
Chapter 2 Prep aring for Installation Installation Site Requirements 2-10 Cisco XR 12404 Router Installation Guide OL-13830-02 Figure 2-3 sho ws the outer dimensions of the Cisco XR 12404 Router ch assis with the front door instal led. Figur e 2-3 Cisco XR 12404 Router Cha ssis Out er Dimensions—T op V iew 66280 31.
2-11 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 2 Preparing for Installation Installation Site Requirements Environmental Guidelines This section of fers guidelines fo r operating y.
Chapter 2 Prep aring for Installation Installation Site Requirements 2-12 Cisco XR 12404 Router Installation Guide OL-13830-02 Figur e 2-4 Cisco XR 12404 Router Air Circulation Sy stem Temperature and Humidity The operating en vironmental site requirem ents are listed in Appen dix A.
2-13 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 2 Preparing for Installation Installation Site Requirements Power Connection Guidelines The Cisco XR 12404 Router requires an A C PEM or a combination DC PDU and DC PEM. Site requirements dif fer depending on the type of po wer source voltage.
Chapter 2 Prep aring for Installation Installation Site Requirements 2-14 Cisco XR 12404 Router Installation Guide OL-13830-02 Figur e 2-5 Cisco XR 12404 Router A C P ow er Plugs Power Connection Guid.
2-15 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 2 Preparing for Installation Installation Site Requirements • Install an uninterruptable po wer source where possible. Grounding Connections Before you connect po wer or turn on your Cisco XR 12404 Router, y ou must pro vide an adequate system ground for th e router .
Chapter 2 Prep aring for Installation Unpacking and Repacking the Cisco XR 12404 Router 2-16 Cisco XR 12404 Router Installation Guide OL-13830-02 Note T o predict and r e medy strong EMI, you may need to con sult experts in radio frequenc y interference (RFI).
2-17 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 2 Preparing for Installation Transporting a Cisco XR 12000 Series Router If you do not receiv e ev erything you ordered, contact a customer service represent ativ e for assist ance.
Chapter 2 Prep aring for Installation Site Preparation Checklist 2-18 Cisco XR 12404 Router Installation Guide OL-13830-02 Ta b l e 2-1 sho ws a sample site log. Y ou can mak e copies of the sample or design your o wn site log. Ta b l e 2 -1 Sample Site Log Date Description of Action Performed or Symptom Observed Initials todd.
2-19 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 2 Preparing for Installation Site Preparation Checklist todd.book Page 19 Mond ay, March 16, 2009 2: 47 PM.
3-1 Cisco XR 12404 Rout er Installation Guide OL-13830-02 CH A P T E R 3 Installing the Router This chapter de scribes how to install a Cisco XR 12404 Rout er.
3-2 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Installing a Cisco XR 124 04 Router Required Tools Y ou need the follo wing items to in stall the Cisco XR 124.
Chapter 3 Insta lling the Router Installing a Cisco XR 12404 Router 3-3 Cisco XR 12404 Router Installation Guide OL-13830-02 • Labels on the equipment ha ve been chec ked to en sure that the po wer service at your site is suitabl e for the Cisco XR 12404 Router.
3-4 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Installing a Cisco XR 124 04 Router Figur e 3-1 Rack-Mounting Br ack ets 57802 3/4" 1 1/4" 2 1/2" 3 3/8" 1/16" sheet metal Left mounting rail Right mounting rail todd.
Chapter 3 Insta lling the Router Installing a Cisco XR 12404 Router 3-5 Cisco XR 12404 Router Installation Guide OL-13830-02 Installing the Center-Mounting Brackets—Optional If you plan to install t.
3-6 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Installing a Cisco XR 124 04 Router Figur e 3-2 Center -Mounting Brac kets Figur e 3-3 Center -Mounting Brac k.
Chapter 3 Insta lling the Router Installing a Cisco XR 12404 Router 3-7 Cisco XR 12404 Router Installation Guide OL-13830-02 Installing the Chassis in a Rack Use the follo wing procedure to in stall the Cisco XR 12404 Rou ter in a rack.
3-8 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Supplemental Bon ding and Grounding Co nnections Installing the Chassis on a Tabletop or Flat Surface Use the follo wing procedure to in stall the Cisco XR 12404 Rou ter on a tabletop or other stable flat surf ace.
Chapter 3 Insta lling the Router Supplemental Bonding and Grounding Connections 3-9 Cisco XR 12404 Router Installation Guide OL-13830-02 • On Cisco XR 12404 Ro uters configured fo r DC-input operati.
3-10 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Supplemental Bon ding and Grounding Co nnections Figur e 3-5 Supplemental Bondin g and Ground ing P ort fo r NEBS Compliance (PRP -3 Installed) Use a cable lug with two ho les at 0.
Chapter 3 Insta lling the Router Supplemental Bonding and Grounding Connections 3-11 Cisco XR 12404 Router Installation Guide OL-13830-02 Figur e 3-7 Cr imping the Lug 1 Place ground wire in th e lug 2 Crimp th e lug 57808 2 1 todd.
3-12 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Connecting RP and Line Card Cables Connecting RP and Line Card Cables Use the follo wing procedure to co nnect RP and line card cables to the rout er . Step 1 Proceeding from left to right identify the network interface cable that connects to each card port.
Chapter 3 Insta lling the Router Connecting RP and Line Card Cables 3-13 Cisco XR 12404 Router Installation Guide OL-13830-02 Caution Carefully adjust the interface c able in th e R P or line card cable-management bracke t to prev ent any kinks or sh arp bend s in the interface cab le.
3-14 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Connecting RP and Line Card Cables Figur e 3-1 0 Chas sis Cable Management Brac ket with PRP -3 CONSOLIDATED .
Chapter 3 Insta lling the Router Connecting to the Console Port and Auxiliary Ports 3-15 Cisco XR 12404 Router Installation Guide OL-13830-02 Connecting to the Console Port and Auxiliary Ports This section provides the in formati on to connect a c onsole to the ro uter .
3-16 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Connecting to the Console Port and Auxiliary Ports Figur e 3-1 1 PRP Console an d A uxiliary P ort Connection.
Chapter 3 Insta lling the Router Connecting to the Console Port and Auxiliary Ports 3-17 Cisco XR 12404 Router Installation Guide OL-13830-02 PRP Console Port Signals The console port on the PRP is a DC E RJ-45 receptacle. Ta b l e 3-1 lists the signals used on th is port.
3-18 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Installing a Fl ash Memory Card PRP Auxiliary Port Signals The auxiliary port on the PRP is a DTE, RJ-45 plug for connecting a modem or other DCE de vice (such as a CSU/DSU or another rout er) to the router .
Chapter 3 Insta lling the Router Installing a Flash Memory Card 3-19 Cisco XR 12404 Router Installation Guide OL-13830-02 The software co nfiguration re gister is set to 0 x0102, which causes the router to boot auto matica lly from the Cisco IOS XR software image st o red on the Flash memory card.
3-20 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Connecting the PRP to an Ethernet Network Ensure that a console terminal is c onnect ed to the RP console port and turned on, or that you ha ve a remote login to the rou ter from another de vice through a telnet session.
Chapter 3 Insta lling the Router Connecting the PRP to an Ethernet Network 3-21 Cisco XR 12404 Router Installation Guide OL-13830-02 Forw arding (CEF) functions ar e switched off b y default for security reasons. Cisco strongly cauti ons you to consider th e security implicat ions of switching on CEF routing functions on th ese ports.
3-22 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Connecting the PRP to an Ethernet Network Figur e 3-15 RJ-45 Receptacle and Pl ug (Hor iz ontal Or ientation) War n i ng The ports labeled Ethernet, 10BASE -T , T oken Ring, Console, and AUX are safety extra-low voltage (SE L V) circuits.
Chapter 3 Insta lling the Router Connecting the PRP to an Ethernet Network 3-23 Cisco XR 12404 Router Installation Guide OL-13830-02 Figur e 3-16 Str a ight-Thr ough Cable Pinout—Co nnecting MDI Eth.
3-24 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Connecting to an AC Power Source Ta b l e 3-5 lists IEEE 802.3u physical characteristics for 100B ASE-TX. Connecting to an AC Power Source This section pro vides the procedure for connect ing your router to an A C po wer source.
Chapter 3 Insta lling the Router Connecting to an AC Power Source 3-25 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 3 T ighten the captive scre ws on the PEM faceplate ( Figure 3-18 ).
3-26 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Connecting to a DC Power Source Step 6 Connect the other end of t he A C po wer cord to the A C po wer source outlet. Note W e recommend attaching each A C PEM to an independent po wer source for full redundanc y .
Chapter 3 Insta lling the Router Connecting to a DC Power Source 3-27 Cisco XR 12404 Router Installation Guide OL-13830-02 Use the follo wing procedure to in stall the DC PEM and DC PDU in the router . Step 1 Attach an ESD-prev entiv e stra p to yourself and to eith er the chassis, or to a bare metal surface.
3-28 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Connecting to a DC Power Source Step 6 Secure each lead to the proper terminal port by tightening the terminal port connector scre ws with a 3/16-inch flat-blade scre w driv er ( Figure 3-20 ).
Chapter 3 Insta lling the Router Powering on th e Router for the First Time 3-29 Cisco XR 12404 Router Installation Guide OL-13830-02 Powering on the Router for the First Time Use the follo wing procedure to po wer on the ro uter for the fi rst time.
3-30 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Powering on the Router for the First Time Step 2 Po wer on the router b y switching on all the circu it breakers and/or plug the power cord into an acti ve power source that contro ls power to the router ’ s A C PEM or DC power distribution unit (PDU).
Chapter 3 Insta lling the Router Powering on th e Router for the First Time 3-31 Cisco XR 12404 Router Installation Guide OL-13830-02 • DC PEMs—V erify the DC PEM LEDs are on a nd that the status is OK ( Figure 3-22 ).
3-32 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 3 Installing the Router Powering on the Router for the First Time • V isually check the CSF LED s ( Figure 3-23 ): Figur e 3-23 CSF.
Chapter 3 Insta lling the Router External Network Interface 3-33 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 4 On the console terminal, verify that the consol e displays th e system banner and that the system and all interf aces initialize successfully .
4-1 Cisco XR 12404 Rout er Installation Guide OL-13830-02 CH A P T E R 4 Troubleshooting the Installation This chapter p rovides troublesho oting guidelines for Cisco XR 12404 router. If the solutions pr ovided in this chapter do not mak e the router fully functional, contact your Cisco service re presentati ve for assistance.
Chapter 4 Tro ubleshooting the Installation Identifying Startup Problems 4-2 Cisco XR 12404 Router Installation Guide OL-13830-02 Identifying Startup Problems Startup problems are co mmonly due to power sour ce failures or to a card not properly seated in the backplane.
4-3 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Identifying Startup Problems Using the System LEDs to Troubleshoot Y ou can determine when and w he.
Chapter 4 Tro ubleshooting the Installation Identifying Startup Problems 4-4 Cisco XR 12404 Router Installation Guide OL-13830-02 – All internal DC v oltages are within tolerance.
4-5 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Problem-Solving with Subsystems Problem-Solving with Subsystems The ke y to solving router pro blems is to isolate the problem to a sp ecific subsystem.
Chapter 4 Tro ubleshooting the Installation Troublesh ooting an AC Po wer Subsyste m 4-6 Cisco XR 12404 Router Installation Guide OL-13830-02 Troubleshooting an AC Power Subsystem AC PEMs provide –48 VDC OUTPUT . The +5 VDC OUTPUT from the CSF po wers the MBus module on each card in the system.
4-7 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Troubleshooting an AC Power Subsystem Ta b l e 4-1 summarizes the function of these indicators. The follo wing conditio ns must exist fo r an A C PEM to operate normally: • The PEM is fully seated in its bay and the ejector lev ers are sec ured.
Chapter 4 Tro ubleshooting the Installation Troublesh ooting an AC Po wer Subsyste m 4-8 Cisco XR 12404 Router Installation Guide OL-13830-02 • V erify that each power supply in the rout er is attached to a separate A C power source.
4-9 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Troubleshooting the DC Power Subsystem • If no, b ut the fan assembly is operating, suspect a fau lty power sup ply INPUT OK LED. If the fan assemb ly is operating, all internal DC v oltages are w ithin tolerance.
Chapter 4 Tro ubleshooting the Installation Troubleshooting the DC Power Subsystem 4-10 Cisco XR 12404 Router Installation Guide OL-13830-02 Figur e 4-2 DC PEM and PDU Ta b l e 4-2 summarizes the function of these indicators.
4-11 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Troubleshooting the DC Power Subsystem The follo wing conditio ns must exists for a DC PEM to operate normally: • The PEM is fully seated in its bay and the ejector lev ers are sec ured.
Chapter 4 Tro ubleshooting the Installation Troubleshooting the DC Power Subsystem 4-12 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 4 Po wer off the PEM circui t breaker swit ch and check the DC po wer source: • Check the DC po wer wires from the p ower source to the router .
4-13 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Troubleshooting the Processor Subsystem If you are unab le to resolve the problem or if you determine that ei ther the PEM or po wer wiring is faulty , contact a service re presentati ve for assistance.
Chapter 4 Tro ubleshooting the Installation Troubleshooting the Pr ocessor Subsystem 4-14 Cisco XR 12404 Router Installation Guide OL-13830-02 Troubleshooting the RP When the router is po wered on, the alphanumeric display on t he RP indicate the follo wing ( Figure 4-3 ): • Upper ro w—Indicates which RP softw are component is runnin g.
4-15 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Troubleshooting the Processor Subsystem • If neither the u pper nor the lower ro w is on, but th.
Chapter 4 Tro ubleshooting the Installation Troubleshooting the Pr ocessor Subsystem 4-16 Cisco XR 12404 Router Installation Guide OL-13830-02 Ta b l e 4-3 T roubleshoo ting Using the RP Alph anumer i.
4-17 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Troubleshooting the Processor Subsystem The RP has 8 de vice or port LED acti vity indica tors that show the status of the Ethernet connections ( Figure 4-4 ).
Chapter 4 Tro ubleshooting the Installation Troubleshooting the Pr ocessor Subsystem 4-18 Cisco XR 12404 Router Installation Guide OL-13830-02 Check the follo wing to help isolate a pro blem with the RP . • Are both alphanumeri c LED displays on? – The two displays are powered separately .
4-19 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Troubleshooting the Processor Subsystem PRP-3 Alphanumeric LEDs The follo w ing section discusses the alph anumeric LED mes sages and the console output displa yed in sequen ce for a single PRP-3 an d for dual PRP-3.
Chapter 4 Tro ubleshooting the Installation Troubleshooting the Pr ocessor Subsystem 4-20 Cisco XR 12404 Router Installation Guide OL-13830-02 Ta b l e 4-5 displays the al phanumeric LED messages and the console outp ut when the chassis is loaded from R OMMON .
4-21 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Troubleshooting the Processor Subsystem Ta b l e 4 -5 Single PRP -3 Scenar io — Chassis loaded f.
Chapter 4 Tro ubleshooting the Installation Troubleshooting the Pr ocessor Subsystem 4-22 Cisco XR 12404 Router Installation Guide OL-13830-02 Ta b l e 4-6 Dual PRP -3 Scenar io LED Display Description or Console Message INIT/NV Disp lays the LED message during the initializatio n of the NVRAM infra code.
4-23 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Troubleshooting the Processor Subsystem RU N / M B I Displays “Copyright (c) 20 08 by Cisco Systems, Inc.
Chapter 4 Tro ubleshooting the Installation Troubleshooting the Cooli ng Subsystem 4-24 Cisco XR 12404 Router Installation Guide OL-13830-02 Troubleshooting the Line Cards As each line card po wers on, a power -on self-test (POST) is performed on the line card memory .
4-25 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 4 Troubleshooting the Installation Troubleshooting the Cooling Subsystem • 7 fans • 2 controll er cards • 1 connector Check the follo wing to help i solate a problem with the cooling system: • Do the fans come o n? Note In noisy en v ironments li sten for the fans.
Chapter 4 Tro ubleshooting the Installation Troubleshooting the Cooli ng Subsystem 4-26 Cisco XR 12404 Router Installation Guide OL-13830-02 clearance (at least 6 inches, 15.24 cm) a round all si des of the chassis to allow cooling air to ent e r and hot air t o exhaust.
5-1 Cisco XR 12404 Rout er Installation Guide OL-13830-02 CH A P T E R 5 Maintaining the Router This chapter contain s safety at the f ield replaceable un it (FR U) lev el, remov al and replacement instructions fo r FR Us and procedures to troublesh oot the FR Us.
Chapter 5 Maintaining th e Router Tools an d Equ ipment 5-2 Cisco XR 12404 Router Installation Guide OL-13830-02 • Remov ing and Replacing the Air Filter , page 5-8 • Remov ing and Replacing the F.
5-3 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Powering Off the Rou ter Powering Off the Router Unless otherwise noted, the maintenance t asks described in this chapter can be performed while the router r emains powered on .
Chapter 5 Maintaining th e Router Removing and Installing the Front Cover 5-4 Cisco XR 12404 Router Installation Guide OL-13830-02 Removing and Installing the Front Cover This section describes ho w to change the fro nt cov er to open from left-to-right b y installing the h inge on the opposite side.
5-5 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Installing the Front Co ver Step 2 Remov e the front cov er by lifting the (top and bott om) hinge pins to free the cov er from the chassis ( Fig ure 5-2 ).
Chapter 5 Maintaining th e Router Removing and Installing the Front Cover 5-6 Cisco XR 12404 Router Installation Guide OL-13830-02 Figur e 5-3 Remo ving or Installing Hinge Pins (with PRP -3 installed.
5-7 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Installing the Front Co ver Step 4 Remov e the bu mpers and piv ot blocks from the co ver as sho wn in Figure 5-4 . Figur e 5-4 Removing the Bumpers and Piv ot Blocks Step 5 Reinstall the hardwa re to the opposite sides of the front cov er: a.
Chapter 5 Maintaining th e Router Removing and Replac ing the Air Filter 5-8 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 6 Attach the front cov er to the c hassis: a. Remov e the hinge pins from the hinges on the right side of th e chassis.
5-9 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Replacing the Air Filter Use the following procedure to clean or replace the air f ilters. Step 1 Grasp the small tab on the edge of the air f ilter and pull the tab to remov e the air f ilter from the chassis ( Figure 5-5 ).
Chapter 5 Maintaining th e Router Removing and Replac ing the Air Filter 5-10 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 3 Reinstal l the air filter int o the chassis noting the direct ion of the airflo w arrows on the top of th e air filter f rame ( Figure 5-6 ).
5-11 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Replacing the Fan Tray Assembly Removing and Replacing the Fan Tray Assembly Use the follo wing procedure to remo ve and replace the fan tray assembly .
Chapter 5 Maintaining th e Router Removing and Replacing the Fan Tray Assembly 5-12 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 2 Grasp the handle and pull the f an tray assembly out of the chassis ( Figure 5-8 ). • Support the bo ttom of the ass embly with your other ha nd when removing th e fan tra y .
5-13 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Replacing the Fan Tray Assembly Troubleshooting the Fan Tray Assembly Installation Use the follo wing procedure to tro ubleshoot the fan t ray assembly if it is not operating properly after i nstallation.
Chapter 5 Maintaining th e Router Removing and Replacing an AC Powe r Entry Module 5-14 Cisco XR 12404 Router Installation Guide OL-13830-02 Removing and Replacing an AC Power Entry Module Although an.
5-15 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Replacing an AC Power Entry Module Figur e 5-9 AC PEM Components Ti p If you plan to return the defecti ve PEM to the factory , repackag e it in the shipping container you recei ved with the replacement PEM.
Chapter 5 Maintaining th e Router Removing and Replacing an AC Powe r Entry Module 5-16 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 11 Po wer on the circuit breake r assigned to that A C outlet. Step 12 Po wer on the PEM. • The green Input OK and Output OK LEDs should be on.
5-17 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Replacing a DC Power Entry Module Step 1 If the Input OK an d Output OK LEDs are of f, or if the Output F ail LED is on, make sure that the: • PEM is firmly seated in the bay and th e captiv e screws are tightened securely .
Chapter 5 Maintaining th e Router Removing and Re placing a DC Power Entry Module 5-18 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 1 Po wer off the f aulty PEM. Step 2 Po w er of f the circuit breaker assigned to the DC power source. Step 3 Loosen the t hree capti ve scre ws th at secure the PEM to the chassis.
5-19 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Replacing a DC Power Entry Module Step 5 Slide the replacement PEM into the bay until it is seated to the backplane connector . • Make sure the p o w er switch is in the o f f ( 0) positi on.
Chapter 5 Maintaining th e Router Removing and Re placing a DC Power Entry Module 5-20 Cisco XR 12404 Router Installation Guide OL-13830-02 Troubleshooting the DC PEM Installation Refer t o Figure 5-12 and use the follo wing procedure to tro ubleshoot the PEM installa tion.
5-21 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Replacin g a DC PDU Step 1 Make sure the po wer supply is sea ted properly: • Eject and reseat the po w er supply . Make sure that the: – Capti ve screw on the ejector le ver are tightened securely .
Chapter 5 Maintaining th e Router Removing and Replacing a DC PDU 5-22 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 1 Po wer off both PEMs (i tem 5 in Figure 5-13 ). Figur e 5-13 DC PEM and PDU Compon ents Step 2 Po w er of f the circuit breakers assigned to the DC power source.
5-23 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Replacin g a DC PDU Step 3 Loosen the terminal block scr ews to disconn ect the positiv e, negat iv e, and ground wires from the DC PDU terminal block of th e faulty PEM ( Figure 5-14 ).
Chapter 5 Maintaining th e Router Removing and Replacing a DC PDU 5-24 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 4 Loosen the captiv e screws securing th e PDU and the PEM to the cha ssis (see item 6 in Figure 5-13 ). Step 5 Remov e the PDU/PEM from the chassis using the f inger grips to pull it ou t.
5-25 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Replacin g a DC PDU Step 10 Connect the groun d, positiv e, and ne gativ e wires to the PDU terminal block in the follo wing order ( Figure 5-16 ): a.
Chapter 5 Maintaining th e Router Removing and Replacing a DC PDU 5-26 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 11 Po w er on the circuit breakers assigned to the DC power source. Step 12 Po wer on both PEMs. • The green Input OK and Output OK LEDs should be on.
5-27 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Replacin g a DC PDU Troubleshooting the DC PDU Installation Refer t o Figure 5-17 and use the follo wing procedure to troubleshoot the PDU installa tion.
Chapter 5 Maintaining th e Router Removing and Replacing a DC PDU 5-28 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 1 If the Input OK an d Output OK LEDs are of f, or if the Output F ail LED is on, check that the: • PEM is firmly seated in the bay and th e captiv e screws are tightened securely .
5-29 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Re placing an RP or Lin e Card Removing and Replacing an RP or Line Card Line cards can occupy any slot, zero (0) through 3 in the RP and line card cage.
Chapter 5 Maintaining th e Router Removing and Replacing an RP or Line Card 5-30 Cisco XR 12404 Router Installation Guide OL-13830-02 Step 1 Identify the RP o r line card to be replaced and write do wn the follo wing inform ation : • The RP cable connections on the RP .
5-31 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Re placing an RP or Lin e Card Figur e 5-20 Removing a PRP -3 or Line card from the Car d Cage Step 6 Grasp the edges of the card carrier with both ha nd to support it and remo ve the card.
Chapter 5 Maintaining th e Router Removing and Replacing an RP or Line Card 5-32 Cisco XR 12404 Router Installation Guide OL-13830-02 c. Continue sliding the card i nto the slot until the ejector le vers mak e contact with the front of th e ca rd cage, then stop .
5-33 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Re placing an RP or Lin e Card Step 1 Orient the top of the cable-management br acket with the top of the line card faceplate (the end opposite the two fo ur -chara cter alphanumeric displays.
Chapter 5 Maintaining th e Router Removing and Replacing an RP or Line Card 5-34 Cisco XR 12404 Router Installation Guide OL-13830-02 Figur e 5-21 Line Car d Cable-Management Brac kets with V elcr o S.
5-35 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Re placing an RP or Lin e Card Note Do not wrap the v elcro straps too tightly .
Chapter 5 Maintaining th e Router Removing and Re placing a Consolidated Switch Fa bric Card 5-36 Cisco XR 12404 Router Installation Guide OL-13830-02 Removing and Replacing a Consolidated Switch Fabric Card Use the follo wing procedure to remo ve and replace a CSF card.
5-37 Cisco XR 12404 Rout er Installation Guide OL-13830-02 Chapter 5 Maintaining the Router Removing and Replacing a Co nsolidated Switc h Fabric Card Figur e 5-23 Installing a CSF Card (with PR P -3 installed) Step 4 Slide the CSF half-way o ut of the slot, then stop.
Chapter 5 Maintaining th e Router Upgrading the RP and Line Card Memory 5-38 Cisco XR 12404 Router Installation Guide OL-13830-02 If the router does not po wer on correctly , see the “T roub leshootin g the Line Cards” section on page 4-24 .
A-1 Cisco XR 12404 Rout er Installation Guide OL-13830-02 APPENDIX A Technical Specifications This appendix con tains the follo wing sections: • Produc t Architec ture , page A-2 • Compliance Information, page A-5 • Regulator y , Compliance, and Safety Information, page A-8 todd.
Appendix A Technical Sp ecifications Product Archite cture A-2 Cisco XR 12404 Router Installation Guide OL-13830-02 Product Architecture Ta b l e A-1 lists system le vel requi rements for the Cisco XR 12404 Router.
A-3 Cisco XR 12404 Router Installation Guide OL-13830-02 Appendix A Technical Sp ecifications Product Architectu re Specifications Ta b l e A-2 lists Cisco XR 12404 Router ph ysical specifi c ations. Ta b l e A-3 lists the en vi ronmenta l specificatio ns.
Appendix A Technical Sp ecifications Product Archite cture A-4 Cisco XR 12404 Router Installation Guide OL-13830-02 Ta b l e A -2 Cisco XR 12404 Rout er Physical Specifications Description Va l u e Frame height 8.75 inches (22.2 cm) Frame width 19 inches (48.
A-5 Cisco XR 12404 Router Installation Guide OL-13830-02 Appendix A Technical Sp ecifications Compliance Info rmation Caution Exhaust from other equ ipment vented directl y into the Cisco XR 12404 Router air inlet may cau se overh e ating. Instal l the router so that it is p rotected from a direct flo w of hot air from other eq uipment.
Appendix A Technical Sp ecifications Compliance Information A-6 Cisco XR 12404 Router Installation Guide OL-13830-02 ETSI EN 300386-2/EN 55022 B (Noncentral of fice) 1.
A-7 Cisco XR 12404 Router Installation Guide OL-13830-02 Appendix A Technical Sp ecifications Compliance Info rmation Conducted RF Immunit y EN61000-4-6: 1996+ ENV50141:19 93 A C po wer line DC po wer.
Appendix A Technical Sp ecifications Regulatory, Compliance, and Safety Information A-8 Cisco XR 12404 Router Installation Guide OL-13830-02 Regulatory, Compliance, and Safety Information This section.
A-9 Cisco XR 12404 Router Installation Guide OL-13830-02 Appendix A Technical Sp ecifications Regulatory, Compliance, and Safety Info rmation Operation of this eq uipment in a residential area is likely to cause harmful interference, in which case users w ill be required to correct the interfere nce at their o wn expense.
Appendix A Technical Sp ecifications Regulatory, Compliance, and Safety Information A-10 Cisco XR 12404 Router Installation Guide OL-13830-02 Europe—EU This apparatus compli es with EN55022 Class B .
A-11 Cisco XR 12404 Router Installation Guide OL-13830-02 Appendix A Technical Sp ecifications Regulatory, Compliance, and Safety Info rmation Class A Notice for Hungary Class A Notice for Taiwan and .
Appendix A Technical Sp ecifications Regulatory, Compliance, and Safety Information A-12 Cisco XR 12404 Router Installation Guide OL-13830-02 Class A Notice for Korea War n i ng This is a Class A Device and is registered for EMC requirements for industrial use.
IN-1 Cisco XR 12404 Router Installation Guide OL-13830-02 INDEX Numerics 100BASE-T maximum cable lengths 3-24 specifications 3-23 transmission recommendat ions 3-23 A AC power cords 2-14 air filter, t.
Index IN-2 Cisco XR 12404 Router Inst allation Guide OL-13830-02 translated safety warnings and agency approvals A-8 connecting AC-power 3-25 connector auxiliary port 3-18 console port 3-17 console an.
Index IN-3 Cisco XR 12404 Router Installation Guide OL-13830-02 troubleshooting p ower supplies 4-6, 4-9 line card alphanumeric display 4-24 diagnostics 4-24 removing 5-30 M maintenance bus 1-31 MBus,.
Index IN-4 Cisco XR 12404 Router Inst allation Guide OL-13830-02 LED front panel 4-17 LEDs 4-17 soft reset switch 4-15 RP soft reset (NMI) switch 4-15 S safety approval agency requirements A-8 extra-l.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Cisco XR 12404 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Cisco XR 12404 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco XR 12404 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco XR 12404 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco XR 12404, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Cisco XR 12404.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cisco XR 12404. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco XR 12404 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.