Manuale d’uso / di manutenzione del prodotto 2H252-25R del fabbricante Enterasys
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2H252-25R Smar tSwitc h 2200 Installation User’ s Guide 2H252-25R COM PWR CPU RESET 2X 4X 6X 8X 10X 12X 14X 16X 18X 20X 22X 24X 1 2 3 4 5 6 7 8 9 10 15 16 21 22 23 24 11 12 19 20 17 18 13 14 13 LED .
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NOTICE Enterasys Networks reserv es the right to mak e changes in spec ificat ions and other informati on contained in this document and its web site withou t prior not ice. The reader should in all cases c onsult Enterasys Networks to determine whether any such changes ha ve been mad e.
FCC NOTICE This de vice complies with Part 15 of th e FCC rules. Operation is subject to th e following tw o conditions: (1) this de vice may not cause harm ful interferen ce, and (2) this de vice must acce pt any inte rference recei v ed, including interference that may cause undesired operation.
ENTERASYS NETWORKS, INC. PROGRAM LICEN SE AGREEMENT BEFORE OPENING OR UTILIZING THE ENCLOSED PRODUCT , CAREFULL Y READ THIS LICENSE A GREEMENT . This document is an agree ment (“ Agreement”) between Y ou, the end user , and Enterasys Networks, Inc.
5. UNITED STATES GOVERNMENT RESTRICTED R IGHTS . The enclosed Product (i) was developed solely at private expense; (ii) contains “restric ted computer software” submitted with restricted ri ghts in accordanc e with section 52.
DECLARATION OF CONFORMITY Application of Counc il Directi v e(s): 89/336/EEC 73/23/EEC Manufacturer’s Name: Enterasys Netw orks, Inc. Manufacturer’ s Address: 35 Industrial Way PO Box 5005 Rochester, NH 03866-5005 European Representative Address: Enterasys Netw orks Ltd.
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Contents vii Contents Figures ...... ............. ............. .......... ............. ............. ......... ............. ............. .......... ......... ............. ..... ix Tables..... .......... ............. ............ .......... ....
viii Contents 3 INSTALLATION 3.1 Unpacking the De vice ............ .......... ............ ............. ............. .......... ............. .. 3-1 3.2 Installing Options .................... .......... ............ ............. ............. ...
Figures ix Figure Pa g e Figures 1-1 The 2H252-25R SmartSwitch 2200 ........ ............. .......... ............. ............. ............. ......... .. 1-1 3-1 Tabletop or She lf Insta llation ..... ............. .......... ............. ........
x Ta b l e s Ta b l e Pa g e Ta b l e s 3-1 Contents of 2H252 -25R Cart on ................. ............. .......... ............. ............. ......... .........3-2 4-1 LANVIEW LE Ds ......... ............. ............. .......... ............ ..
About This Guide xi About This Guide W elcome to the 2H252-25R SmartSwi tch 2200 Installation User’s Guide . This guide descr ibes the 2H252-25R SmartSwitch 2 200 de vice and pro vides in formation concerning netwo rk requirements, installation, troubl eshoo ting, and specifications.
Related Documents xii About This Guide Appendix A , Specif ications , contains information on functiona lity and operatin g specif ications, connector pinouts , en vironmental requirements, and physica l properties.
Document Con v entions About This Guide xiii DOCUMENT CON VENTIONS The guide uses the follo wing con ventions: NOTE: Calls the reade r’ s attention to an y item of inf ormation that ma y be of special impor t ance. TIP: Con v e ys helpful hints concerning procedures or actions .
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Introductio n 1-1 1 Intr oduction This chapter introduces the 2H252-25R SmartSw itch 2200 de vice and pro vides informatio n about ho w to obtain additional supp ort from Enterasys Networks.
Ov er view 1-2 Introduc tion The 2H252-25R is used to connect individual high-bandwidth user devices, such as workstations, or to pro vide a central switching point for mu ltiple 100-Mbps Fast Et hernet se gments.
Ov erview Introduc tion 1-3 The RAD requests start at an interval of 1 pe r second. The interv al then doubles after e very transmission until an interv al of 300 seconds is reach ed.
Ov er view 1-4 Introduc tion 1.1.5 Remote M onitoring (RMON) The 2H252-25R supports all nine Ethernet RMON grou ps. The Statis tics, Alarms, Events and History groups are enabled on all ports b y def ault.
Ov erview Introduc tion 1-5 Administrators can conf igure up to four rate lim it rules per port; ho wev er , each rule must not include conflicting 802.1p priority v alues. In order to control traf fic inbound an d outbound on the same port, two rate limi t rules must be conf igured (one inboun d and one outbound).
Ov er view 1-6 Introduc tion 1.1.11 802.1 P or t Priority The 802.1 port priority is use d to assign a defa ult priority to the frames receiv ed without priority information in their tag header , map prioritized frames to the appropriate transmit queues, and prioritize frames according to protocol type.
Ov erview Introduc tion 1-7 1.1.15 Standar ds Compatibility The 2H252-25R is fully compliant with the IEEE 802.3, 802.3u, 802.3x, 802.1D, and 802.1Q standards. The 2H25 2-25R pro vides IEEE 802.1D Sp anning T ree Algorithm (ST A) support to enhance the o verall reliability of the netw or k and protect against “loop” conditions.
Getting Help 1-8 Introduc tion 1.2 GETTING HELP For additional support rel ated to the 2H252-25R or this document, cont act Enterasys Networks using one of the follo wing methods: Before contacting En.
Netw ork Requirements 2-1 2 Netw ork Requirements Before installing the 2H252-25R, re vie w the requirements and spec if ications referred to in this chapter concerning the following: • SmartT runk ( Section 2.1 ) • 10B ASE-T T w isted Pair Netw ork ( Section 2.
100BASE-TX Network 2-2 Network Requirements 2.3 100B ASE-TX NETW ORK The f ixed p orts (ports 1 through 24) of the 2H252-25R pro vide an RJ45 connection that supports Categor y 5 UTP cabling. The de vice at the other en d of the twisted pair se gment must meet IEEE 802.
Installation 3-1 3 Installation This chapter pro vides the instru ctions required to install the 2H252-25R. A Phillips screwdri v er is required to install options into the de vice or inst all the device into a rack. F ollo w the order of the sections listed belo w to co rrectly instal l the de vice.
Installing Options 3-2 Installation 3. Remove the tape seal on the non-conductive ba g to remove the 2H 252-25R. 4. Perform a visual inspec tion of the devic e for any signs of phys ical damage, and co ntact Enterasys Networks if there are any signs of d amage.
Installing the De vice Installation 3-3 3.3 INSTALLING THE DEVICE The 2H252-25R ma y be installed o n a tabletop, shelf, o r in a 19-inch rack. Section 3.3.1 describes a tabletop or shelf installation and Section 3.3.2 describes the rackmount installation.
Installing the De vice 3-4 Installation Figure 3-1 T abletop or Sh elf Inst allation 3.3.2 Rac kmount Installation T o install the 2H252-25R in a 19-inch rack, Enterasys Netw orks includes a strain-re.
Installing the De vice Installation 3-5 Installation Rack mounting the 2H252-25R in volv es the follo wing: • Attaching the strain-relief bracket • Rack mounting the 2H252-25R (attaching the moun .
Installing the De vice 3-6 Installation Figure 3-2 Attac hing the Strain-Relief Brac ket Rac k Mounting the 2H252-25R Proceed as follo ws to install th e 2H252-25R into a 19-inch rack: 1.
Installing the De vice Installation 3-7 Figure 3-3 A ttaching th e Rac kmount Brac ket s 3. With the mounting brackets attached, position the 2H252-25R between the vertical frame members of the 19-inc h rack and fasten it securely with mounting screws as sh own in Figure 3-4 .
Installing the De vice 3-8 Installation 3.3.3 Connecting P o wer T o connect the 2H25 2-25R to the power sources, proceed as follows: 1. Plug each power cord into a grounded wall outlet, see Figure 3-5 . To take advantage of the load sharing and redundan cy capabilities, each power cord must be plugged into a separate dedicated ac outlet.
Connecting to the Netw ork Installation 3-9 3.4 CONNECTING TO THE NETWORK This section pro vides the procedures for connectin g unshielded twisted pair (UTP) and f iber optic segments from the network o r other de vices to th e 2H252-25R.
Connectin g to the Networ k 3-10 Installation Figure 3-6 Connecting the T wisted P air Segment 3. Verify that a link exists by checking that the port RX LED is on (flashing amber, blinking green, or solid green). If the RX LED is off and the TX LED is not blinking amber, perform the following steps unt il it is on: a.
Connecting to the Netw ork Installation 3-11 Figure 3-7 Schemat ic of Straight-Thr ough and Cr osso ver Cab les 4. Verify that a link exists by checking that the port RX LED is on (flashing amber, blinking green, or solid green). If the RX LED is off and the TX LED is not blinking ambe r, perform the following steps until it is on: a.
Completing the Installation 3-12 Installation 3.5 COMPLETING THE INSTALLATION After installing the 2H252 -25R and an y optional HSIM or VHSIM , and making the connections to the network, proceed as follo ws: 1. Secure the cables by running the cables along the strain-relief bracket and tying them to the strain-relief bracket using cable ties.
T roub leshooting 4- 1 4 T r oubleshooting This chapter provides information concerning the follo wing: • Using LANVIEW ( Section 4.1 ) • T roubleshooting Checklist ( Section 4.
Using LANVIEW 4-2 T roub leshootin g Figure 4-1 LANVIEW LED s The LED MODE switch is located on th e front panel of the 2H252-25R as sho wn in Fi gure 4-1 .
Using LANVIEW T roub leshoo ting 4-3 Ta b l e 4 - 1 describes the LED indications and pro vid es recommended actions as appropriate. Refer to the HSIM or VHSIM user’ s guide for a description of the HSIM or VHSIM LED indications.
Using LANVIEW 4-4 T roub leshootin g CPU Of f Po wer of f. Po wer up de vice. Red Blinking . Hardwa re failure has occurred. Contact Enterasys Networks for assistance. Solid . Resetting, normal po wer up reset. If the LED remains Red for se veral minutes, contact Enterasys Networks for assistance.
Using LANVIEW T roub leshoo ting 4-5 TX (T ransmit) Of f Port enabled, and no acti vity . Should flash green e v ery two seconds indicating BPDUs being sent if ST A is enabled and there is a valid link. 1. Ensure that the STA is enabled and that there is a valid link.
T roub leshooting Chec klist 4-6 T roub leshootin g 4.2 T ROUB LESHOOTING CHEC KLIST If the 2H252-25R is n ot working properly , refer to Ta b l e 4 - 2 for a checklist of possible problems, causes, a nd recommen ded actio ns to resolve the problem.
T roub leshooting Chec klist T roub leshoo ting 4-7 Cannot na vigate be yond Passw ord screen. Improper Comm unity Names Ta b l e . 1. Refer to the SmartSwitch Series 2E253, 2H25 2, 2H253 and 2H258 Local Manag ement User’ s Guide for Community Names Table setup.
T roub leshooting Chec klist 4-8 T roub leshootin g Port(s) goes into standby for no apparent reason. Loop condition detected. 1. Verify that Spanning Tree is enabled. Refer to the SmartSwitch Series 2E25 3, 2H252, 2H25 3 and 2H258 Loc al Manag ement User’ s Guide for the instructions to set the type of STA.
Using the RESET Button T roub leshoo ting 4-9 4.3 USING THE RESET BUTTON The RESET b utton sho wn in Figu re 4-2 resets and re-initializes the 2H252-25R. Figure 4-2 RESET Button T o reset the 2H25 2-25R processor , press and release the RESET b utton.
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Specifications A-1 A Specifications This appendix provides operat ing specif ica tions for the Enterasys Network s 2H252-25R . Enterasys Networks reserv es the right to change these specifications at an y time without notice. A.1 DE VICE SPECIFICATIONS A.
Electrical Specifications A-2 Specifications A.3 ELECTRICAL SPECIFICATIONS A.4 EN VIRONMENTAL REQUIREMENTS A.5 INPUT/OUTPUT P OR TS Line Input Ran ge, V olts (V) 100–125 V ac 200–240 V ac Input Current, Amperes (A) 2.
COM P or t Pinout Assignments Specifications A-3 A.6 COM P OR T PINOUT ASSIGNMENTS The COM port is a serial commun ic ations port that supports Local Management or connection to a UPS. Ta b l e A - 1 sho ws the COM port pin assignments. Table A-1 COM Port Pin Assignments A.
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Optional Inst allations and Mo de Switch Bank Se ttings B-1 B Optional Installations and Mode Switch Bank Settings Th e to p cove r m u st b e re m oved t o g ai n ac c es s to the mode bank switche s.
Removing the Chassis Cov e r B-2 Option al Installati ons and Mode Switch Bank Setti ngs B.2 REMO VING THE CHASSIS CO VER This section describes ho w to remove the 2H252-25R chassis co ve r . DO NO T REMO VE THE CO VER FROM THE 2H252-25R WHILE POWER IS APPLIED T O THE UNIT .
Removing the Chassis Cov er Optional Installa tions and Mode Switch Bank Settings B-3 T o remov e the chassis cov er , proceed as follows: 1. Disconnect the 2H252-2 5R from the netw ork as follows: a. Unplug both power cords from the rear of the chassis.
Removing the Chassis Cov e r B-4 Option al Installati ons and Mode Switch Bank Setti ngs 3. Use a Phillips screwdriver to remove the four screws attaching th e cover to the chassis.
Setting t he Mode Switch es Optional Installa tions and Mode Switch Bank Settings B-5 B.3 SETTING THE MODE SWITCHES Figure B-2 sho ws the location of the mo de switches and the switch se ttings for normal operation. These switches are set at the factory and rarely need to be changed.
Setting the Mode Switches B-6 Option al Installati ons and Mode Switch Bank Setti ngs • Switch 6 – Fo rced BootP . DO NOT attempt a Forced BootP unless a BootP se rver has been configured for th e 2H252-25R.
SIMM Upgrade Optional Installa tions and Mode Switch Bank Settings B-7 B.4 SIMM UPGRADE Memory upgrade is av ailable for the 2 H252-25R to expand its DRAM to 32 MB. Th is section explains ho w to locate and add/replace a Single In-line Memory Module (SIMM).
SIMM Upgr ade B-8 Option al Installati ons and Mode Switch Bank Setti ngs B.4.2 Installing the DRAM SIMM T o install a DRAM SIMM, refer to Figure B-4 and proceed as follo ws: 1. With the SIMM alignment not ch oriented as shown in Figure B-4 , insert the SIMM down between the connector teeth.
Installing Optional HSIM or VHSIM Interface Modules Optional Installa tions and Mode Switch Bank Settings B-9 B.5 INSTALLING OPTIONA L HSIM OR VHSIM INTERFA CE MODULES Figure B-5 sho ws the location of the tw o conn ectors for an optional High HSIM or VHSIM.
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Index- 1 Inde x Numerics 100BASE-T requirements 2-2 10BASE-T requirements 2-1 2H252-25R description of 1-1 front panel 1-1 802.1p Port Priorit y introduction to 1-6 B Broadcast Supp ression introducti.
Inde x-2 M Management use of 1-6 Memory upgrading B-7 Mode Switch setting B-5 N Network connecti on of twisted pair cables 3-9 Network connecti ons 3- 9 P Physical properties A-1 Port redirect funct i.
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 Enterasys 2H252-25R 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 Enterasys 2H252-25R - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Enterasys 2H252-25R imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Enterasys 2H252-25R ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Enterasys 2H252-25R, 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 Enterasys 2H252-25R.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Enterasys 2H252-25R. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Enterasys 2H252-25R 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.
