Manuale d’uso / di manutenzione del prodotto 4929 DSLAM del fabbricante Paradyne
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4929 DSLAM Installation and User’ s Guide Document No. 4929-A2-GN20-00 March 2005.
A March 2005 4929-A2-GN20-00 Copyright © 2005 Paradyne Corporation. All rights reser ved. Printed in U .S.A. Notice This publication is protected b y f ederal cop yright law .
4929-A2-GN20-00 March 2005 B Softwar e and Firmware License Agr eement The ter ms and conditions of this License Agreement (the “Agreeme nt”) will apply to the software and/or firm ware (individua.
C March 2005 4929-A2-GN20-00 Important Safety Instructions 1. Read and follo w all warning notices and instr uctions mar ked on the product or includ ed in the manual. 2. This product is to be connecte d to a nominal –48 to –60 VDC supply source that is ele ctrically isolated from the AC source using minimum 18 A WG (0.
4929-A2-GN20-00 March 2005 D 13. In addition, if the equipment is to be used with te lecommunications circuits, take the f ollowing precautions: — Ne ver install telephone wiring dur ing a lightning stor m. — Ne ver install telephone jacks in w et locations unless the jack is specifically designed for w et locations.
E March 2005 4929-A2-GN20-00 EMI Notices UNITED ST A TES – EMI NO TICE: This equipment has been tested an d found to comply with the limits f or a Class A digital device, pursuant to P art 15 of the FCC rules.
4929-A2-GN20-00 March 2005 i Contents Software an d Firmware License Ag reement . . . . . . . . . . . . . . . . . . . . B About This Guide Document Pur pose and Inte nded Audienc e . . . . . . . . . . . . . . . . . . . . v Document Sum mary .
Contents ii March 2005 4929-A2-GN20-00 4L E D s LED Locati ons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 LED Meaning s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents 4929-A2-GN20-00 March 2005 iii Logging Into the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 CLI Comman ds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Using the CL I to Establis h Inban d Manageme nt .
Contents iv March 2005 4929-A2-GN20-00.
4929-A2-GN20-00 March 2005 v About This Guide Document Purpose and Intended A udience This document is wr itten f or techni cians who ins tall the 4929 DSLA M. Document Summary A master glossary of terms and acrony ms used in P aradyne documents is av ailable on the W orld Wide Web at www .
About This Guide vi March 2005 4929-A2-GN20-00 Related Pr oduct Documents Documentation f or the P aradyne pr oducts is av ailable on the W or ld Wide W eb at www .paradyne.com . Select Suppor t → T ech nical Manuals. T o order a paper cop y of a P aradyne document, or to talk to a sales representa tive , please call 727-530-2 000.
4929-A2-GN20-00 March 2005 1-1 1 Intr oduction Overview P aradyne's 4900 Series DSLAMs are AD SL ITU G.99 2.5 compliant IP DSLAMs. They are a v ailable with or without internal POTS splitters . The 4900 Series DSLAMs are Ethernet based, enviro nmentally hardened, and small enough to fit in e ven cro wded Remote T erminal cabinets.
1. Introduction 1-2 March 2005 4929-A2-GN20-00 Compliant to ETSI 300-11 9-1-3 Enviro nmental Requirements MTM f or enhance d security and prioritization Embedded w eb-based management syst.
4929-A2-GN20-00 March 2005 2-1 2 Installation Pr eparation Consider the f ollowing bef ore installing the DSLAM: Installation Site – Y our installation site should be well v entilated, clean, and free of en vironmental e xtremes .
2. Installation 2-2 March 2005 4929-A2-GN20-00 T able 2-1. Cable Descriptions Connector Name or MIM Connector and Cable For Connecting . . . ADSL2+ PO TS 50-pin RJ21X T elco-type straight connector and 50-wire ca ble. Up t o t wo ca ble s required: one for DSL and one f or PO TS (if PO TS splitters are installed).
2. Installation 4929-A2-GN20-00 March 2005 2-3 Unpacking the Hardwar e HANDLING PRECA UTIONS FOR ST A TIC-SENSITIVE DEVICES This pr oduct is de signed to pr otect sensit ive components fr om damage due to electr ostatic disc harge (ESD) during normal operat ion.
2. Installation 2-4 March 2005 4929-A2-GN20-00 Installing the Brackets f or Rack Mounting The 4900 DSLAM can be inst alled in a rac k using mounting brac kets . T wo brac kets suitab le f or a 19-inch (48 3 mm ) rac k and two br ac kets suitab le for a 23-inch (584 mm ) Bay Netw orks or Nor tel rac k are shipped with the unit.
2. Installation 4929-A2-GN20-00 March 2005 2-5 Installing the DSLAM In to a Rack Use: #10-32 mounting scr ews f or rails with threaded scre w holes #12-24 mounting scr ews and self- retaining nuts f or rails with unthreade d screw holes Procedur e T o install the DSLAM into a rack: 1.
2. Installation 2-6 March 2005 4929-A2-GN20-00 3. Inser t and tighten the scre w s in the top scre w positions , then tighten the bottom screws. 05-17616 PO TS ADSL2+ PW R 48 1.
2. Installation 4929-A2-GN20-00 March 2005 2-7 Installing the DSLAM on a W all W all mounting requires two wood screws suitab le for the w eight of the fully cab led unit. These are not includ ed. Use at a minimum 1/ 4-inch (6 mm) diameter scre ws in 3/4-inch (19 mm ) plywood (not dr ywall).
2. Installation 2-8 March 2005 4929-A2-GN20-00 6. Install two wood scre ws (not provided ) at the same he ight abo ve the floor and 18.75 inches (476.2 5 mm ) apar t. Do not completely tighten the scr ews . Leav e them so their heads are ab out 1/4 inch (6 mm) from the w all.
2. Installation 4929-A2-GN20-00 March 2005 2-9 Installing the DSLAM on a Shelf or Desktop If the DSLAM will be placed on a shelf or desk top , install the prov ided rubber f eet bef ore putting the unit in position. Procedur e T o install the DSLAM on a shelf or desktop , as a standalone unit or in a stac k: 1.
2. Installation 2-10 March 2005 4929-A2-GN20-00.
4929-A2-GN20-00 March 2005 3-1 3 Cabling Cabling Over view The 4900 Series DSLAM has a large v ariety of possib le cabling configurations . This chapter describes all possib le connections , not all o.
3. Cabling 3-2 March 2005 4929-A2-GN20-00 Installing the Micr o Interface Module A Micro Inter fa ce Module (MIM) is n ot required f or operation. It provides additional Ethernet, T1, or E1 uplink por ts fo r the DSLAM, depending upon the MIM model installed.
3. Cabling 4929-A2-GN20-00 March 2005 3-3 Connecting the ADSL2+ and PO TS Connectors DSL connector supports the tip and ring connections of u p to 24 DSL por ts ov er a 50-position cab le. A PO TS (plain old telephone service) splitter connector is also provided in cer tain mode ls.
3. Cabling 3-4 March 2005 4929-A2-GN20-00 6. Secure the cab les as required f or strain relief . Connecting the SFP Connector or the 10/100/1000 Connector There are tw o Ethernet interf aces on the f .
3. Cabling 4929-A2-GN20-00 March 2005 3-5 — For an SFP fiber connection , plug your transceiver into the SFP sock et. Plug the LC connector of y our fiber optic uplink cable into the cab le sock et of the tr ansceiv er .
3. Cabling 3-6 March 2005 4929-A2-GN20-00 Connecting the COM P ort Y ou can use the COM por t to directly connect a PC , terminal, or modem, per mittin g use of the Comm and Line Int erface (CLI). Connecting a T erminal or PC to the COM Port T o connect a terminal or PC to the COM por t: Procedur e 1.
3. Cabling 4929-A2-GN20-00 March 2005 3-7 Connecting a Modem to the COM Port T o connect a modem to the COM port: Procedur e 1. Determine and procure the proper DCE cable type f o r y our modem. The COM por t requires an RJ45-type p lug connector . The other conn ector depends on the serial por t on your modem .
3. Cabling 3-8 March 2005 4929-A2-GN20-00 10. Plug the terminal strip into the terminal bloc k on the front of the DSLAM. 11. T ur n on your power source and verify that th e P ower LED on the lef t side of the DSLAM is illuminated. See Chapter 4, LEDs .
4929-A2-GN20-00 March 2005 4-1 4 LEDs LED Locations The locations of t he System and DSL P or t LEDs on the front panel of the DSLAM are shown in Figure 4-1, F ront P anel LEDs . Figure 4-1. Front Panel LEDs LED Meanings The meaning of the fr ont panel LEDs is sho wn in T able 4-1, F ront P anel LEDs .
4. LEDs 4-2 March 2005 4929-A2-GN20-00 DSL P or ts 1–24 AC T – Amber Green Off Flashing Flashing No activity or no link. Receiving data. T ransmitting data. PWR Green Off On No power is applied to the DSLAM. P ower is applied to the DSLAM. T able 4-1.
4929-A2-GN20-00 March 2005 5-1 5 Conf iguration Using the NMS Overview The 4900 Series DSLAMs ha ve an integ ral w eb interf ace that y ou can access with a web bro wser . The DSLAM’ s integra l Network Management System (NMS) let s yo u configure and monit or the DSLAM using a standard w eb brow ser .
5. Configuration Using the NMS 5-2 March 2005 4929-A2-GN20-00 Conf iguring Y our W indows PC to Communicate with NMS T o communicate wit h NMS, y our PC’ s Ether net interf ace must be on the same subnet as the netw ork e xtender . F or e xample , to configu re the IP address un der Windows XP: Procedur e 1.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-3 The NMS home p age appears ..
5. Configuration Using the NMS 5-4 March 2005 4929-A2-GN20-00 Management Conf iguration Use the Management Configuration scr een to set the unit ’ s IP address and other management par ameters. Procedur e T o configure manag ement para meters: 1. F rom the home screen, clic k on the Management Config b utton.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-5 Advanced Conf iguration Use the Adv anced Configur ation screen to set th e unit’ s system name and other parameters. Procedur e T o configure adv anced system par ameters: 1. F rom the home screen, clic k on the Adv anced Config b utton.
5. Configuration Using the NMS 5-6 March 2005 4929-A2-GN20-00 HTTP Password Use the HTTP Pass wor d screen to set the password f o r the Ge neral and Superus er logins. Procedur e T o configure HTTP pass words: 1. F rom the home screen, click on t he HTTP P ass word b utton.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-7 SNMP Conf iguration Use the SNMP Configur ation screen to enabl e traps a nd establish trap manager s.. Procedur e T o configure SNMP par ameters: 1. F rom the home screen, clic k on the SNMP Config b utton.
5. Configuration Using the NMS 5-8 March 2005 4929-A2-GN20-00 SNMP Community Administration Use the SNMP Community Administration screen to set the read and read/write community names. Procedur e T o configure community na mes: 1. F rom the home screen, clic k on the SNMP Community b utton.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-9 Global Circuit Conf iguration Procedur e T o configure global parameter s: 1. F rom the home screen, clic k on the Global Set b utton. The Global Cir cuit Configuratio n screen appears . 2.
5. Configuration Using the NMS 5-10 March 2005 4929-A2-GN20-00 4. Click on Submit. VPI/VCI Detect Setting Specify the por t behavior with reg ard to VPI/ VCI detection: On – The DSLAM will monitor the line to deter mine the VPI and VCI settings of the remote ADSL modem and set itself a ccordingly .
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-11 Global DSCP Rules Procedur e T o configure DSCP rules: 1. Click on the Global DSCP Rules tab . The Global DSCP Rules screen appears. 2. In the Add P or ts drop-down list, select All or a group of ports.
5. Configuration Using the NMS 5-12 March 2005 4929-A2-GN20-00 4. Click on Submit. DS Mask Specify the DS mask. The DS Mask is a hexadecimal value that indicates which of the DSCP's upper six bits will be utilized in consider ing a pack et's DSCP type.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-13 Global IP Rules Procedur e T o configure IP rules: 1. Click on the Global IP Rules tab . The Global IP Rules screen appears. 2. In the Add P or ts drop-down list, select All or a group of ports.
5. Configuration Using the NMS 5-14 March 2005 4929-A2-GN20-00 4. Click on Submit. Allow T ag/Untag on Ingress Pkt. Specify tag or u ntag. T ag indicates that ingress pack ets already matched to the IP Rule must ha v e a VLAN tag to be fur ther consid ered; pack ets without a VLAN tag will be dropped.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-15 Global MA C Rules Procedur e T o configure MA C r ules: 1. Click on the Global MA C R ules tab . The Global MA C Rule s screen appears. 2. In the Add P or ts drop-down list, select All or a group of ports.
5. Configuration Using the NMS 5-16 March 2005 4929-A2-GN20-00 4. Click on Submit. Allow T ag/Untag on Ingress Pkt. Specify tag or u ntag. T ag indicates that ingress pack ets already matched to the MA C Rule must ha ve a VLAN tag to be fur ther considered; packets without a VLAN tag will be dropped.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-17 Global VLAN Rules Procedur e T o configure VLAN rules: 1. Click on the Global VLAN Rules tab . The Global VLAN R u les screen appears. 2. In the Add P or ts drop-down list, select All or a group of ports.
5. Configuration Using the NMS 5-18 March 2005 4929-A2-GN20-00 4. Click on Submit. VLAN Specify a VLAN ID range t hat constitutes a match of this r ule. Add VLAN to Ingress Pkt. Specify whether the VLAN ID should be added to ingress pack ets. Prior ity Specify the prior ity to be used when add ing a configured VLAN ID to a pack et.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-19 Global Advanced Conf iguration Procedur e T o configure SNR settings: 1. Click on the Global Adv anced Config tab . The Global Configuration SNR settings screen app ears. 2. In the Add P or ts drop-down list, select All or a group of ports.
5. Configuration Using the NMS 5-20 March 2005 4929-A2-GN20-00 4. Click on Submit. Cir cuit Summary Use the Circuit Summary screen to displa y inf ormation about por t configurations . Procedur e T o display the circuit summary: 1. F rom the home screen, clic k on the Circuit Summary button.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-21 Cir cuit Conf iguration Use the Circuit Configur ation screen to set the parameters f or a single por t. Procedur e T o configure circuit paramete rs: 1. F rom the home screen, click on on e of the 24 DSL por t LEDs.
5. Configuration Using the NMS 5-22 March 2005 4929-A2-GN20-00 3. Click on Submit. VPI/VCI Detect Setting Specify the por t behavior with reg ard to VPI/ VCI detection: On – The DSLAM will monitor the line to deter mine the VPI and VCI settings of the remote ADSL modem and set itself a ccordingly .
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-23 DSCP Rules Procedur e T o configure DSCP rules: 1. Click on the DSCP Rules tab . The DSC P Rules screen appears. 2. Select or enter th e f ollowing pa rameters: Parameter Description P or t Select a por t from the drop-down list.
5. Configuration Using the NMS 5-24 March 2005 4929-A2-GN20-00 3. Click on Submit. Allow T ag/Untag on Ingress Pkt. Specify tag or u ntag. T ag indicates that ingress pack ets already matched to the Diffserv Rule must hav e a VLAN tag to be fur ther co nsidered; packets without a VLAN tag will be droppe d.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-25 IP Rules Procedur e T o configure IP rules: 1. Click on the IP Rules tab . The IP Rules screen appears. 2. Select or enter th e f ollowing pa rameters: Parameter Description P or t Select a por t from the drop-down list.
5. Configuration Using the NMS 5-26 March 2005 4929-A2-GN20-00 3. Click on Submit. VLAN ID Range Specify a VLAN ID range. F or each IP Range Rule, if you selected T ag for Allow T ag/Untag, the VLAN fi eld should specify either an acceptable single VLAN, or an acceptable VLAN Range, f or VLAN ta gs on ingress pack ets.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-27 MA C Rules Procedur e T o configure MA C r ules: 1. Click on the MA C Rules tab . The MA C Rules screen appears. 2. Select or enter th e f ollowing pa rameters: Parameter Description P or t Select a por t from the drop-down list.
5. Configuration Using the NMS 5-28 March 2005 4929-A2-GN20-00 3. Click on Submit. VLAN ID Range Specify a VLAN ID range. F or each MA C Rule, if y ou selected T ag f or Allow T ag/Untag, the VLAN field should specify either an acceptable single VLAN, or an acceptable VLAN Range, f or VLAN ta gs on ingress pack ets.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-29 VLAN Rules Procedur e T o configure VLAN rules: 1. Click on the VLAN Rules tab . The VLAN Rules screen appears. 2. Select or enter th e f ollowing pa rameters: Parameter Description P or t Select a por t from the drop-down list.
5. Configuration Using the NMS 5-30 March 2005 4929-A2-GN20-00 3. Click on Submit. Allow T ag/Untag on Ingress Pkt. Specify tag or unta g. Ta g indicates that ingress pac kets already matched to the VLAN Rule must hav e a VLAN tag to be furt her considered; pack ets without a VLAN tag will be dropped.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-31 Backbone VLAN ID Procedur e T o configure the backbon e VLAN ID , flood type , and Ethe r type: 1. Click on the Bkbone VLAN Id, Flood, Ether type tab. The Bkbone VLAN Id, Flood, Ethertype screen appears .
5. Configuration Using the NMS 5-32 March 2005 4929-A2-GN20-00 3. Click on Submit. Flood Specify the Flood setting. Flood refers to the method in which interface modules handle unknown unicasts (traff.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-33 P ort Statistics Procedur e T o view por t statistics: 1. Click on the P or t Statistics tab. The P or t Statisti cs screen appears. 2. Click on Reset Statistics to set all statistics to zero .
5. Configuration Using the NMS 5-34 March 2005 4929-A2-GN20-00 Copy P ort Procedur e T o cop y a port configuration to one or more o ther ports: 1. Click on P or t Copy . The Port Copy screen appears . 2. Select a source port, then one or more destination ports.
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-35 SNR Advanced Conf iguration SNR settings ma y greatly aff ect ADSL perf ormance. Do not chan ge SNR settings unless so advised by y our ser vice provider . Procedur e T o configure SNR settings: 1.
5. Configuration Using the NMS 5-36 March 2005 4929-A2-GN20-00 3. Click on Submit. MA C and IGMP Summary On the home sc reen of the web int erface is a schematic repres entation of t he front panel of the DSLAM. It includes a b utton not on the actual front pa nel, labeled MA C-IGMP .
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-37 3. Click on the IGMP tab to displa y the IGMP table. Clic k on a P o r t or MIM button to see specific entr ies in the IGM P tabl e, or click on IGMP Summary to see all entries. 4. Click on the IGMP Age tab to set the IGMP age and enable or disab le IGMP pro xy .
5. Configuration Using the NMS 5-38 March 2005 4929-A2-GN20-00 6. T o search f or MAC or IGMP t able e ntries, clic k on the Search tab . The Search screen appears . 7. Enter a MA C address to search f or a MAC tab le entry , or an IP address to search for an IGMP table entr y .
5. Configuration Using the NMS 4929-A2-GN20-00 March 2005 5-39 DSLAM Inter connect Conf iguration Use the DSLAM Intercon nect Configur ation screen to specify a p or t connected to a downstre am 4900 Series DSLAM. This inf ormation is used to configure internal traffi c flows .
5. Configuration Using the NMS 5-40 March 2005 4929-A2-GN20-00.
4929-A2-GN20-00 March 2005 6-1 6 Command Line Interface Overview The 4900 Series DSLAMs hav e an integral comma nd line interf ace (CLI) that can be accessed b y direct connection to the COM por t or by T elnet to the DSL AM’ s management add ress .
6. Command Line Interface 6-2 March 2005 4929-A2-GN20-00 Launching the T erminal Emulation Pr ogram Launch the te r minal emulati on progra m on yo ur PC and configure the prog ram settings. Actual configur ations will depend upon the program be ing used, though settings should be mo deled after the list belo w; most are stand ard def aults .
6. Command Line Interface 4929-A2-GN20-00 March 2005 6-3 ENABLE_WEB_SER VER Enables access to the DSLAM using the w eb ser ver . HELP Lists av ailable commands and their syntax. LOGOUT Ends the CLI session. SET Sets a configuration option. Most SET commands requi re that slot be specified, and allow por t optionally to be specified.
6. Command Line Interface 6-4 March 2005 4929-A2-GN20-00 CIRCUIT_ID circuit_ID Changes the CIRCUIT ID . CLEAR_NVRAM Reboots the unit and restores factory de f aults CLI_SESSION_TIMEOUT [tbd–tbd] CLI Session Timeout se ts the amount of time a CLI session can sit idle before the user is automatically logged out.
6. Command Line Interface 4929-A2-GN20-00 March 2005 6-5 Using the CLI to Establish Inband Management CLI Set commands are used to esta blish inba nd management. F or exam ple: set slot 1 ip_address 137.182.10.251 set slot 1 subnet_mask 255.255.255.0 set slot 1 default_gateway 137.
6. Command Line Interface 6-6 March 2005 4929-A2-GN20-00.
4929-A2-GN20-00 March 2005 7-1 7 SNMP Interface Overview The 4900 Series DSLAM can be managed using the Simple Network Management Prot ocol (SNMP). This implemen tation uses a por tion of SNMP v1.0: the M IB-II System Group and Interf aces Group of OIDs.
7. SNMP Interface 7-2 March 2005 4929-A2-GN20-00 SNMP Community Strings The f ollowing ar e the def ault community strings for MI B access. SNMP Commun ity Strin g A CCESS COMMUNITY STRING* read only P assword read/write Pass word *Community strings are case sensitive .
4929-A2-GN20-00 March 2005 A-1 A Connectors and Pin Assignments Overview The f ollowing sectio ns provide pin assignments f or : DSL P or ts and PO TS Splitter Connectors on page A-2 SFP Connector on page A-3 10/100/100 0BaseT Connector on pa ge A-4 DB9 to RJ45 Adapter Pinout s on page A -4 Figure A-1.
A. Connectors and Pin Assignments A-2 March 2005 4929-A2-GN20-00 DSL P orts and PO TS Splitter Connectors The 50-pin RJ21X T elco connecto r labeled DSL P or ts 1–24 provides the 2- wire loop interf ace from each DSL por t to the demarcation point. (The Canadia n designation f or this connector is CA21 A.
A. Connectors and Pin Assignments 4929-A2-GN20-00 March 2005 A-3 SFP Connector The SFP interf ace is a standard SFP sock et. T able A-2. Port 3 GigE Connector Signal Pi n Ve e T 1 TXF ault 2 TXDisable.
A. Connectors and Pin Assignments A-4 March 2005 4929-A2-GN20-00 10/100/1000BaseT Connector The 10/100/10 00 por t is an 8-pin unke yed modular jac k for a 10 /100/1000BaseT interface . DB9 to RJ45 Adapter Pinouts T o connect the COM port to the DB9 serial por t of a PC, use an adapter wired as shown: Pins not shown are unused.
4929-A2-GN20-00 March 2005 B-1 B Equipment List 4900 Series DSLAM models are listed in T able 1 -1, 4900 Series Mode ls and F eatures . All 4900 Series DSLAMs come with 19- and 23-inch mounting brackets and hardw are, and the Installation Guide. T able 1-1.
B. Equipment List B-2 March 2005 4929-A2-GN20-00.
4929-A2-GN20-00 March 2005 C-1 C T echnical Specif ications T echnical specifications are s ubject to ch ange without notice . T able C-1. 4900 Series DSLAM T ech nical Specif ications (1 of 2) Specif.
C. Technical Specifications C-2 March 2005 4929-A2-GN20-00 Ph ysical Dimensions Height: 1.75 ″ (44.5 mm, or 1U as defined in EIA-310-C) without feet Width: 16.9 ″ (430 mm ) without mounting brackets Depth: 9.5 ″ (241 mm) without cab l es P ower The unit operate s from a st andard CO – 48 VDC power supply .
4929-A2-GN20-00 March 2005 IN-1 Index Numerics 10/100/1000BaseT pinouts, A-4 A About This Guide, v Activity LEDs, 4-1 ADSL mode, 5-10 , 5-22 Advanced Configuration, 5-5 Audience for this document, v B.
Index IN-2 March 2005 4929-A2-GN20-00 DSLAM description, 1-1 features, B-1 Interconnect Con figuration, 5-39 models, B-1 Dual powe r source, 3-8 E EC, 5-19, 5-35 Echo Cancellation, 5-19, 5-35 Electrom.
Index 4929-A2-GN20-00 March 2005 IN-3 O Operating Environment, C-1 Option 82 , 5-10, 5-22 Order numbers, B-1 Ordering manuals, vi Overview, 1-1 4900 Series DSLAM, 1-1 cabling, 3-1 CLI, 6-1, 7-1 config.
Index IN-4 March 2005 4929-A2-GN20-00 Weight, C-2 Windows, 5-2.
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 Paradyne 4929 DSLAM 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 Paradyne 4929 DSLAM - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Paradyne 4929 DSLAM imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Paradyne 4929 DSLAM ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Paradyne 4929 DSLAM, 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 Paradyne 4929 DSLAM.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Paradyne 4929 DSLAM. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Paradyne 4929 DSLAM 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.
