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4929 DSLAM Inst allation and User ’ s Guide November 2005 Document Part Number: 4929-A2-ZN20 -30.
Zhone T echnologies @Zhone W ay 7001 Oakport S treet Oakland, CA 94621 USA 510.777.7000 www .zhone.com info@zhone.com COPYRIGHT 2005 Zhone T e chnologies, Inc.
4929 DSLAM Installation and User’s Guide 3 End User License Agreemen t (Zhone and Affiliates) License. Zhone T echnologi es, Inc. and/or an af filiate (" Zhon e") hereby grants you (".
4 4929 DSLAM Installation and User’s Guide U.S. Government Users. The Software is a "com mercial item" as defi ne d at 48 C.F .R. 2.101, consisting of "commercial co mputer software" and "comme rcial computer software documentation" as such terms are used in 48 C.
4929 DSLAM Installation and User’s Guide 5 transponders have been installe d. Do not install laser products whose class rating is greater than 1. Refer to all impo rtant safety instructions tha t accompanied the transceiver prior to installation.
6 4929 DSLAM Installation and User’s Guide CANAD A – EMI NO TICE : This Class A digital appa ratus meets all re quirem ents of the Cana dian interference-causing equipment regulations. Cet appareil numérique de la classe A respec te toutes l es exigences du r églement sur le matérial brouilleur du Canada.
4929-A2-ZN20-30 November 2005 7 C ONTENT S Document Purpose and Intended Audience ...................... ....................... ............... 11 Document Summary ..................... ...................... ....................... .................
8 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Chapter 5 Configuration Using the NMS ................. ....................... ...................... ........... 35 Overview .......................... ....................... ............
4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 9 DSL Ports and POTS Splitter Connectors .................................. ....................... ...... 83 SFP Connector .......................... ....................... .................
10 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 11 A BOUT T HIS G UIDE Document Purpose and Intended Audience This document is written for technicians who instal l the 4929 DSLAM. Document Summary A master glossary of terms and acronyms used in these documents is available on the W orld W ide W eb a t www .
12 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Related Product Document s Documentation for this product i s available on the W orld W ide W eb at www .zhone.com . Document Title MIM-10/100 Installation Instructions Describes how to install the MIM- 10/100 Micro Interface Modu le.
Contacting Global Service and Support 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 13 Cont acting Global Service and Support Contact Global Serv ice and Support (GS S) if you have any questions about this or other Zhone products.
14 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 15 I NTRODUCTION Overview The 4900 Series DSLAMs are ADSL IT U G .992.5-complia nt IP DSLAMs.
Introduction 16 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 z Compliant to ETSI 300-1 19-1- 3 Environmental Requirements z MTM for enhanced security and prioritization z Embedded web-ba.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 17 I NST ALLATION Prep aration Consider the following befo re installing the DSLAM: z Installation Site – Y our installation site should be well ventilated, clean, and free of environmental extremes.
Installation 18 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Cables Required No cables are provided with the DSLAM. See T able 1, Cable Descriptions , to determine what cables you need to obtain before installation. See Appendix A, Connectors and Pin Assignments and Appendix B, Equipment List for more information.
Unpacking the Hardware 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 19 Unp acking the Hardware HANDLING PRECAUTIONS FOR ST A TIC-SENSITIVE DEVICES This product is designed to pr otect sensitive components fr om damage due to electro static discharge (ESD) during normal operation.
Installation 20 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Inst alling the Bracket s for Rack Mounting The 4900 DSLAM can be installed in a rack using mounting brackets. T wo brackets suitable for a 19-inch (483 mm ) rack and two brackets suitable for a 23-inch (584 mm ) Bay Networks or Nortel rack are shipped with the unit.
Installing the DSLAM Into a Rack 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 21 Inst alling the DSLAM Into a Rack Use: z #10-32 mounting screws for rails with threaded screw holes z #12.
Installation 22 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 3 Insert and tighten the screws in the top screw positions, then tighten the bottom screws. Inst alling the DSLAM on a W all W all mounting requires two wood screws suitable for the weight of the fully cabled unit.
Installing the DSLAM on a Wall 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 23 4 Locate the pair of threaded holes on the lef t side of the unit.
Installation 24 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 8 Hang the unit from the wood screws to verify that the screws are properly placed. The screws should freely slide in to the top of the key slots in the brackets. Do not fasten the unit to the wall unt il after it is completely cabled and tested.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 25 C ABLING Cabling Overview The 4900 Series DSLAM has a lar ge variety of possible cabling configurations.
Cabling 26 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Inst alling the Micro Interface Module A Micro Interface Module (MIM) is not required for opera tion. It provides additional Ethernet, T1, or E1 uplink ports for the DSLAM, depending upon the MIM model installed.
Connecting th e ADSL2+ and POTS Conne ctors 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 27 Connecting the ADSL2+ and POTS Connectors DSL connector supports the tip and ring conn ections of up to 24 DSL ports over a 50-position cable. A POTS (p lain old telephone service) splitter connector is also provided in certai n models.
Cabling 28 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 6 Install the supplied large ferrite chokes on the DSL and POTS cables as close as possible to the connectors. If necessary , use cables tie s to hold the chokes in place. 7 Secure the cables as requi red for strain relief.
Connecting DSLAMs to Ea ch Other 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 29 — For an SFP copper connection , plug your transceiver i nto the SFP socket. Plug the 8-position modular pl ug of your uplink cable into the SFP transceiver ’ s modular jack.
Cabling 30 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Connecting the COM Port Y ou can use the COM port to directly connect a PC, terminal, or modem, permitting use of the Comman d Line Interface (CLI).
Connecting to Power 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 31 Connecting a Modem to the COM Port T o connect a modem to the COM port: 1 Determine and procure the proper DCE cable type for your modem. The COM port requires an RJ45-type pl ug connector .
Cabling 32 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 10 T urn on your power source and verify that the Power LED on the left side of the DSLAM is illuminated.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 33 LED S LED Locations The locations of the System a nd DSL Port LEDs on the front panel of the DSLAM are shown in Figure 1, Front Panel LEDs . Figure 1: F ront Panel LEDs LED Meanings The meaning of the front pan el LEDs is shown in T able 2, Front Panel LEDs .
LEDs 34 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 DSL Ports 1–24 ACT – Amber Green Off Flashin g Flashin g No activity or no link. Receiving data. T ransmitting data. PWR Green Off On No power is applied to the DSLAM. Power is applied to the DSLAM.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 35 C ONFIGURATION U SING THE NMS Overview The 4900 Series DSLAMs have an inte gral web interface that you can access with a web browser . The DSLAM’ s in tegral Network Management System (NMS) lets you configure and monitor the DSLAM using a sta ndard web browser .
Configuration Using the NMS 36 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Configuring Y our Windows PC to Communicate with NMS T o communicate with NMS, your PC’ s Et hernet interface must be on the same subnet as the network extender .
Configuring Your Windows PC to Communicate wi th NMS 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 37 The NMS home page appears..
Configuration Using the NMS 38 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Management Configuration Use the Management Configuration scre en to set the unit’ s IP address and other management parameters. T o configure management parameters: 1 From the home screen, click on the Man agement Config button.
Advanced Configurati on 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 39 Advanced Configuration Use the Advanced Configura tion screen to set the unit’ s system name and other parameters. T o configure advanced system parameters: 1 From the home screen, click on th e Advanced Config bu tton.
Configuration Using the NMS 40 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 HTTP Password Use the HTTP Password screen to set the password for the General and Superuser logins. T o configure HTTP passwords: 1 From the home screen, click on the HTTP Password button.
SNMP Configuration 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 41 SNMP Configuration Use the SNMP Configuration screen to enable traps and establish trap managers. T o configure SNMP parameters: 1 From the home screen, click on the SNMP Config button.
Configuration Using the NMS 42 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 SNMP Community Administration Use the SNMP Community Administratio n screen to set the read and read/ write community names. T o configure community names: 1 From the home screen, click on the SNMP Community button.
Global Set 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 43 Global Set Use the Global Se t screen to set parameters for all ports or for a group of ports at once. Global Circuit Configuration T o configure global parameters: 1 From the home screen, click on the Global Set button.
Configuration Using the NMS 44 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Port Mode Se tting Spe cify a port mode: z Fixed – The upstream and downstream rates are fixed.
Global Set 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 45 4 Click on Submit. Global DSCP Rules T o configure DSCP rules: 1 Click on the Global DSCP Rules tab. The Global DSCP Rules screen appears. 2 In the Add Ports drop-down list, select All or a group of ports.
Configuration Using the NMS 46 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Global Configuration Diffserv Rule Specify Add, Delete, or No Set to add a rule, delete a rule, or perform no act ion when the Submit button is clicked on. Activate Specify whether the ru le you are adding is active.
Global Set 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 47 4 Click on Submit. Global IP Rules T o configure IP rules: 1 Click on the Global IP Rules tab.
Configuration Using the NMS 48 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 2 In the Add Ports drop-down list, select All or a group of ports.
Global Set 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 49 4 Click on Submit. Global MAC Rules T o configure MAC rules: 1 Click on the Global MAC Rules tab.
Configuration Using the NMS 50 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 2 In the Add Ports drop-down list, select All or a group of ports.
Global Set 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 51 4 Click on Submit. Global VLAN Rules T o configure VLAN rules: 1 Click on the Global VLAN Rules tab.
Configuration Using the NMS 52 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 2 In the Add Ports drop-down list, select All or a group of ports.
Global Set 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 53 4 Click on Submit. Ingress Limit Specify the ingress limit in kbps for packets matchin g this rule. Egress Limit Specify the egre ss limit in kbps for packets matchin g this rule.
Configuration Using the NMS 54 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Global Advance d Configuration SNR settings may greatly affect AD SL performance. Do not change SNR settings unless so advised by your service provider . T o configure SNR settings: 1 Click on the Global Advanced Conf ig tab.
Circuit Summary 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 55 4 Click on Submit. Circuit Summary Use the Circuit Summary screen to display information about port configurations. T o display the circuit summary: 1 From the home screen, click on the Circuit Summary button.
Configuration Using the NMS 56 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Circuit Configuration Use the Circuit Configuration screen to set the parameters for a single port. T o configure circuit parameters: 1 From the home screen, click on one of the 24 DSL port LEDs.
Circuit Configuration 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 57 3 Click on Submit. VPI/VCI Detect Setting Specify the por t behavi or with regard to VPI/ VCI detection: z On – The DSLAM will monitor the line to determine the VPI and VCI settings of the remote ADSL modem and set itself accordingly .
Configuration Using the NMS 58 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 DSCP Rules T o configure DSCP rules: 1 Click on the DSCP Rules tab. The DSCP Rules screen appears. 2 Select or enter the following parameters: Parameter Description Port Select a port from the drop-down list.
Circuit Configuration 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 59 3 Click on Submit. Allow T ag/Untag on Ingress Pkt. Specify tag or untag. T ag indicates that ingress packets already matched to the Diffserv Rule must have a VLAN tag to be further considered; packets without a VLAN tag will be dropped.
Configuration Using the NMS 60 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 IP Rules T o configure IP rules: 1 Click on the IP Rules tab. The IP Rules screen appears. 2 Select or enter the following parameters: Parameter Description Port Select a port from the drop-down list.
Circuit Configuration 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 61 3 Click on Submit. VLAN ID Range Specify a VLAN ID range. For each IP Range Rule, if you selected T ag for Allow T ag/Untag, the VLAN fi eld should speci fy either an acceptable single VLAN, or an acceptable VLAN Range, for VLAN tags on ingress packets.
Configuration Using the NMS 62 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 MAC Rules T o configure MAC rules: 1 Click on the MAC Rules tab. The MAC Rules screen appears. 2 Select or enter the following parameters: Parameter Description Port Select a port from the drop-down list.
Circuit Configuration 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 63 3 Click on Submit. VLAN ID Range Specify a VLAN ID range. For each MAC Rule, if you selected T ag for Allow T ag/Untag, the VLAN field should specify either an acceptable single VLAN, or an acceptable VLAN Range, for VLAN tags on in gress packets.
Configuration Using the NMS 64 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 VLAN Rules T o configure VLAN rules: 1 Click on the VLAN Rules tab. The VLAN Rules screen appears. 2 Select or enter the following parameters: Parameter Description Port Select a port from the drop-down list.
Circuit Configuration 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 65 3 Click on Submit. VLAN Specify a VLAN ID range that constitutes a match of this rule.
Configuration Using the NMS 66 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Backbone VLAN ID T o configure the backbone VLAN ID, flood type, and Ethertype: 1 Click on the Bkbone VLAN Id, Flood, Etherty pe tab. The Bkbone VLAN Id, Flood, Ethertype screen appears.
Circuit Configuration 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 67 3 Click on Submit. Flood Specify the Flood setting. Flood refers to t he method in which interface modules handle un.
Configuration Using the NMS 68 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Port St atistics T o view port statistics: 1 Click on the Port S tatistics tab. The Port Statistics screen appears. 2 Click on Reset St atistics to set all statistics to zero.
Circuit Configuration 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 69 Copy Port T o copy a port config uration to one or more other ports: 1 Click on Port Copy . The Port Copy screen appears. 2 Select a source port, then one or more destination ports.
Configuration Using the NMS 70 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 SNR Advanced Configuration SNR settings may greatly affect AD SL performance. Do not change SNR settings unless so advised by your service provider . T o configure SNR settings: 1 Click on the Advanced Config tab.
MAC and IGMP Summary 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 71 3 Click on Submit. MAC and IGMP Summary On the home screen of the web interface is a schematic representation of the front panel of the DSLAM. It includes a button not on the actual front panel, labeled MAC-IGMP .
Configuration Using the NMS 72 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 3 Click on the IGMP tab to display the IGMP table. Click on a Port or MIM button to see specific entries in th e IGMP table, or click on IGMP Summary to see all entries.
DSLAM Interconnect Configuration 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 73 7 Enter a MAC address to search for a MAC table entry , or an IP address to search for an IGMP table entry .
Configuration Using the NMS 74 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 T o specify the port connected to a downstream DSLAM: 1 From the home screen, click on bl ue button above the 10 /100/1000 and SFP connectors. The DSLA M Interconnect Configuration screen appears.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 75 C OMMAND L INE I NTERFACE Overview The 4900 Series DSLAMs ha ve an integral command line interface (CLI) that can be accessed by direct connection to the COM port or by T elnet to the DSLAM’ s management address.
Command Line Interface 76 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Launching the T erminal Emulation Program Launch the terminal emulation program on your PC and co nfigure the program settings.
CLI Commands 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 77 The comma nds use the fol lowing parameters. DISABLE_WEB_SER VER] Disables access to the DSLAM using the web server . ENABLE_TELNET Enables access to the DSLAM using T elnet. ENABLE_TFTP Enables access to the DSLAM us ing T rivial File Transfer Protocol.
Command Line Interface 78 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 ADSL_ST ANDARD [MUL TIMODE,G .DMT ,G .LITE,T1.413,ALCA TEL] ADSL_VCI [0–65535] ADSL_VPI [0–255] ADSL_VPI_VCI_DETECT [ON,OFF] BACKBONE_VLAN [0–4085] CIRCUIT_ID circuit_ID Changes the CIRCUIT ID.
CLI Commands 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 79 MAC [dump,clear] MGMT_POR T_UPLINK [on,off] Allows the PHYSICAL management port to be an UP LINK port. MIM [dump,reset_stats] PHY PHY DEBUG args->cmd phy_num reg val PRIORITY [0–7] PROTOCOL [ALL,IP ,V ALUE] Changes the protocol filter .
Command Line Interface 80 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Using the CLI to Est ablish Inband Management CLI Set commands are used to estab lish inband management. For ex ample: set slot 1 ip_address 137.182.10.251 set slot 1 subnet_mask 255.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 81 SNMP I NTERFACE Overview The 4900 Series DSLAM can be ma naged using the Simple Netwo rk Management Protocol (SNMP). This implementation uses a portion of SNMP v1.0: the MIB-II System Group and Interfaces Group of OIDs.
SNMP Interface 82 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 SNMP Community S trings The following are the default community strings for MIB access. SNMP Community String ACCESS COMMUNITY STRING* read only Password read/write Password *Community strings are case sensitive.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 83 C ONNECTORS AND P IN A SSIGNMENT S Overview The following sections prov ide pin assignments for: z DSL Ports and POTS Splitter Con nector.
Connectors and Pin Assignments 84 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 44 , 2 9 55 , 3 0 66 , 3 1 77 , 3 2 88 , 3 3 99 , 3 4 10 10, 35 11 11 , 3 6 12 12, 37 13 13, 38 14 14, 39 1.
SFP Connector 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 85 SFP Connector The SFP interface is a standard SFP socket. T a ble 6: Port 3 GigE Connector Signal Pin Ve e T 1 TXFault 2 TXD.
Connectors and Pin Assignments 86 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 10/100/1000BaseT Connector The 10/100/10 00 port is an 8-pin unkeye d modular jack for a 10/100/ 1000BaseT interface.
DB9 to RJ45 Adapter Pinouts 4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 87 DB9 to RJ45 Adapter Pinout s T o connect the COM port to the DB9 serial port of a PC, use an adapter wired as shown: Pins not shown are unused.
Connectors and Pin Assignments 88 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 89 E QUIPMENT L IST 4900 Series DSLAM models are listed in T able 9, 4900 Series Models and Features . All 4900 Series DSLAMs come with 19- and 23-inch mou nting brackets and hardware, and the Installation Guide.
Equipment List 90 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 91 T ECHNICAL S PECIFICATIONS T echnical specifications are subject to change without notice.
Technical Specifications 92 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Power Consumption –48 VDC, 1.5 A: 72 W atts Maximum Standards and Protocols Supported z Enterprise MIBs Chassis and Module Identification, Configuration, Multimedia T raffic Management z Flash Upgradeable IEEE 802.
4929-A2-ZN20-30 4929 DSLAM Installati on and User’s Guide 93 I NDEX Numerics 10/100/1000BaseT pinouts 86 A About This Guide 11 Activity LEDs 33 ADSL mode 45, 57 Advanced Configuration 39 Audience fo.
94 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 DSLAM description 15 features 89 Interconnect Configuration 73 models 89 Dual power source 32 E EC 55, 70 Echo Cancellation 55, 70 Electro.
4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide 95 M MAC and IGMP Summary 71 MAC Range 50, 62 MAC Rules 62 Management Configuration 38 IP address 38 port pin assignm ents 86 Management port.
96 4929 DSLAM Installation and User’s Guide 4929-A2-ZN20-30 Standards 91 Subnet Mask 38 Synopsis of chapters 11 System Location 39 Name 39 Requirements 75 T Technical Specifications 91 Telco connect.
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