Zhone Technologies
@Zhone Way
7001 Oakport Street
Oakland, CA 94621
USA
510.777.7000
www.zhone.com
info@zhone.com
COPYRIGHT 2005 Zhone Technologies, Inc. All rights reserved.
This publication is protected by copyright law. No part of this publication may be copied or
distributed, transmitted, transcribed, stored in a retrieval system, or translated into any human
or computer language in any form or by any means, electronic, mechanical, magnetic, manual
or otherwise, or disclosed to third parties without the express written permission from Zhone
Technologies, Inc.
Acculink, ADSL/R, Bitstorm, Comsphere, DSL the Easy Way, ETC, Etherloop, FrameSaver,
GranDSLAM, GrandVIEW, Hotwire, the Hotwire logo, iMarc, Jetstream, MVL, NextEDGE,
Net to Net Technologies, OpenLane, Paradyne, the Paradyne logo, Performance Wizard,
ReachDSL, StormPort, TruePut are registered trademarks of Zhone Technologies, Inc.
BAN, Connect to Success, GigMux, Hotwire Connected, JetFusion, JetVision, MALC,
MicroBurst, PacketSurfer, Quick Channel, Raptor, Reverse Gateway, SLMS, Spectrum
Manager, StormTracker, Z-Edge, Zhone, ZMS, and the Zhone logo are trademarks of Zhone
Technologies, Inc.
All other products or services mentioned herein are the trademarks, service marks, registered
trademarks, or registered service marks of their respective owners.
Zhone Technologies makes no representation or warranties with respect to the contents hereof
and specifically disclaims any implied warranties of merchantability, noninfringement, or
fitness for a particular purpose. Further, Zhone Technologies reserves the right to revise this
publication and to make changes from time to time in the contents hereof without obligation of
Zhone Technologies to notify any person of such revision or changes.
End User License Agreement (Zhone and Affiliates)
Do not install this Software unless you agree to these provisions.
Return the Software promptly for a refund if you do not agree.
License. Zhone Technologies, Inc. and/or an affiliate ("Zhone") hereby grants you ("User")—
either an individual or a single business entity—the non-exclusive right to install, access, run,
or interact with ("Use") one copy of the enclosed software (which may have been, or may be,
provided on media, as part of a hardware platform, through download, or otherwise) and
associated documentation ("Software") on the first computer system on which User installs the
Software ("System") solely for internal business purposes (including, without limitation,
providing products and services to User's customers) and subject to the restrictions below).
Zhone may, in its sole discretion, make available future updates or upgrades to the Software
each of which is also Software subject hereto. Title to and all patent rights, copyrights and other
intellectual property rights in the Software are retained by Zhone and its direct and indirect
suppliers and licensors ("Licensors").
Restrictions. The Software may not be (a) Used on or from any system other than the System;
(b) Used with more than any maximum number of subscribers stated in the documentation
accompanying the Software; (c) Used so as to circumvent any technological measure included
therein or provided by Zhone from time to time to control access to or limit use of the Software;
(d) sublicensed, rented, leased or lent to third parties; (e) imported or exported into any
jurisdiction except in compliance with all applicable laws of the United States and such
jurisdiction; (f) transferred to a third party unless (A) User transfers the original and all
surviving copies to a third party who has agreed in writing to be bound hereby and (B) such
third party pays to Zhone such reasonable additional fee as Zhone may impose from time to
time with respect to such transfer; or (g) made available to third parties as part of any
time-sharing or service bureau arrangement. User shall not have the right to use the Software or
any portion thereof for a use other than that contemplated by its documentation. User will not
copy all or any part of the Software or attempt, or encourage or permit any third party, to
modify, adapt, make derivative works from, reverse engineer, reverse compile, disassemble or
decompile the Software or any portion thereof except and only to the extent that such activity is
expressly permitted by law notwithstanding this limitation. Violation of any of the foregoing
shall be deemed a material breach hereof. User may make a reasonable number of copies solely
for archival or disaster recovery and subject to the restrictions imposed by copyright law, but
may not modify or otherwise copy the Software. User agrees to reproduce product
identification, copyright and other proprietary notices of Zhone and Licensors on all copies.
User's rights are only as expressly stated herein. Zhone may immediately terminate your rights
if you violate the provisions hereof.
Limited Warranty. Zhone warrants that the media containing the Software is free from defects
in material and workmanship for ninety (90) days following your purchase of the Software.
You may provide written notice of such defect (addressed to Zhone Technologies, Inc.,
Attention: Customer Service, 7001 Oakport Street @ Zhone Way, Oakland, CA 94621) no later
than ten (10) days following expiration of such period and, as your sole and exclusive remedy,
Zhone will provide replacement media. NEITHER ZHONE NOR ITS LICENSORS MAKE
ANY OTHER WARRANTY, EXPRESS, IMPLIED OR STATUTORY. ZHONE AND ITS
LICENSORS DISCLAIM ALL WARRANTIES OF FITNESS FOR PARTICULAR
PURPOSE, MERCHANTABILITY AND NON-INFRINGEMENT. Some states or other
jurisdictions do not allow the exclusion of implied warranties on limitations on how long an
implied warranty lasts, so the above limitations may not apply to you. This warranty gives you
specific legal rights, and you may also have other rights which vary from one state or
jurisdiction to another.
Limit of Liability. In case of any claim hereunder or related to the Software, neither Zhone nor
its Licensors shall be liable for direct damages exceeding the price paid by User for the
Software or for special, incidental, consequential or indirect damages, even if advised in
advance of the potential thereof.
4929 DSLAM Installation and User’s Guide3
U.S. Government Users. The Software is a "commercial item" as defined at 48 C.F.R. 2.101,
consisting of "commercial computer software" and "commercial computer software
documentation" as such terms are used in 48 C.F.R. 12.212. Under 48 C.F.R. 12.212 and 48
C.F.R. 227.7202-1 to 227.7202-4, U.S. Government Users acquire the Software only with the
rights set forth therein.
Third Party Licensors. This Zhone End User License Agreement may be accompanied by
differing or additional provisions applicable to portions of the Software provided by one or
more Licensors ("Licensor Provisions"). User acknowledges and agrees that its Use of such
portions of the Software is subject to the Licensor Provisions.
!
Important Safety Instructions
1. Read and follow all warning notices and instructions marked on the product or included in
the manual.
2. This product is to be connected to a nominal –48 to –60 VDC supply source that is
electrically isolated from the AC source using minimum 18 AWG (0.75mm² ) leads . Two
inputs are provided for redundancy. The positive terminal of the DC source is to be
reliably connected to earth. Connect a minimum 18 AWG (0.75mm² ) green/yellow
earthing (grounding) wire to the protective earthing (grounding) screw, identified by the
protective earth symbol on the back of the chassis.
3. This product may only be used in a Restricted Access Location in accordance with the
requirements of the National Electric Code, ANSI/NFPA 70, and the Canadian Electrical
Code, or in accordance with the standards and regulatory requirements of the country in
which it is installed. A Restricted Access Location is a secure area (dedicated equipment
rooms, equipment closets, or the like) for equipment where access can only be gained by
service personnel or by users who have been instructed about the reasons for the
restrictions applied to the location and about any precautions that must be taken. In
addition, access into this designated secured area is possible only through the use of a tool
or lock and key, or other means of security, and is controlled by the authority responsible
for the location.
4. A readily accessible disconnect device as part of the building installation shall be
incorporated in fixed wiring. The DC disconnect device must be rated at a minimum
60 VDC, minimum 2A. The disconnect device shall be readily accessible to the operator.
The disconnect device must be included with an adequately rated fuse or circuit breaker in
the ungrounded conductor. Use a minimum 18 AWG (0.75 mm²) fixed power source wires
with strain retention.
5. Do not allow anything to rest on the power cord and do not locate the product where
persons will walk on the power cord.
6. Slots and openings in the cabinet are provided for ventilation. To ensure reliable operation
of the product and to protect it from overheating, these slots and openings must not be
blocked or covered.
7. Do not attempt to service this product yourself, as it will void the warranty. Opening or
removing covers may expose you to dangerous high voltage points or other risks. Refer all
servicing to qualified service personnel.
8. A rare phenomenon can create a voltage potential between the earth grounds of two or
more buildings. If products installed in separate buildings are interconnected, the voltage
potential may cause a hazardous condition. Consult a qualified electrical consultant to
determine whether or not this phenomenon exists and, if necessary, implement corrective
action prior to interconnecting the products.
9. CLASS 1 LASER PRODUCT: This product has provisions for the customer to install a
Class 1 laser transceiver, which provides optical coupling to the telecommunication
network. Once a Class 1 laser product is installed, the equipment is to be considered to be
a Class 1 Laser Product (Appareil à Laser de Classe 1). The customer is responsible for
selecting and installing the laser transceiver and for insuring that the Class 1 AEL
(Allowable Emission Limit) per EN/IEC 60825 is not exceeded after the laser
44929 DSLAM Installation and User’s Guide
transponders have been installed. Do not install laser products whose class rating is greater
than 1. Refer to all important safety instructions that accompanied the transceiver prior to
installation. Only laser Class 1 devices certified for use in the country of installation by the
cognizant agency are to be utilized in this product. Also, laser warnings are to be provided
in accordance with IEC 60825-1 and its Amendments 1 and 2, as well as 21 CFR 1010 and
1040.10(g).
10. General purpose cables are described for use with this product. Special cables, which may
be required by the regulatory inspection authority for the installation site, are the
responsibility of the customer. To reduce the risk of fire, use a UL Listed or CSA
Certified, minimum No. 26 AWG (0.128 mm
cables certified for use in the country of installation.
11. The equipment is intended for installation in a maximum 149° F (65° C) ambient
temperature, in an environment that is free of dust and dirt.
12. Do not physically stack more than eight (8) units high. Physical stability has not been
evaluated for stacking higher than eight units, and any configuration greater than eight
may result in an unstable (tip-over) condition. Ensure that the four (4) rubber feet supplied
with the product have been installed on the bottom of each unit prior to stacking any 4929
units on top of one another.
13. In addition, if the equipment is to be used with telecommunications circuits, take the
following precautions:
— Never install telephone wiring during a lightning storm.
— Never install telephone jacks in wet locations unless the jack is specifically designed
for wet locations.
— Never touch uninsulated telephone wires or terminals unless the telephone line has
been disconnected at the network interface.
— Use caution when installing or modifying telephone lines.
— Avoid using a telephone (other than a cordless type) during an electrical storm. There
may be a remote risk of electric shock from lightning.
— Do not use the telephone to report a gas leak in the vicinity of the leak.
14. When installed in the final configuration, the product must comply with the applicable
Safety Standards and regulatory requirements of the country in which it is installed. If
necessary, consult with the appropriate regulatory agencies and inspection authorities to
ensure compliance.
2
) telecommunication cable, or comparable
EMI Notices
!
UNITED STATES – EMI NOTICE:
This equipment has been tested and found to comply with the limits for a Class A
digital device, pursuant to Part 15 of the FCC rules. These limits are designed to
provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful
interference in which case the user will be required to correct the interference at his
own expense.
The authority to operate this equipment is conditioned by the requirements that no
modifications will be made to the equipment unless the changes or modifications are
expressly approved by the manufacturer.
If the equipment includes a ferrite choke or chokes, they must be installed per the
installation instructions.
4929 DSLAM Installation and User’s Guide5
!
CANADA – EMI NOTICE:
This Class A digital apparatus meets all requirements of the Canadian
interference-causing equipment regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du réglement sur
le matérial brouilleur du Canada.
Notices to Users of the Canadian Telephone
Network
NOTICE: This equipment meets the applicable Industry Canada Terminal Equipment
Technical Specifications. This is confirmed by the registration number. The abbreviation IC
before the registration number signifies that registration was performed based on a Declaration
of Conformity indicating that Industry Canada technical specifications were met. It does not
imply that Industry Canada approved the equipment.
NOTICE: The Ringer Equivalence Number (REN) for this terminal equipment is labeled on
the equipment and includes the effect of the POTS splitter. The REN assigned to each terminal
equipment provides an indication of the maximum number of terminals allowed to be
connected to a telephone interface. The termination on an interface may consist of any
combination of devices subject only to the requirement that the sum of the Ringer Equivalence
Numbers of all the devices does not exceed five.
CE Marking
When the product is marked with the CE mark on the equipment label, a supporting
Declaration of Conformity may be downloaded from www.zhone.com.
Japan
Class A ITE
This is a Class A product based on the standard of the Voluntary Control Council for
interference by Information Technology Equipment (VCCI). If this equipment is used in a
domestic environment, radio disturbance may arise. When such trouble occurs, the user may be
required to take corrective actions.
64929 DSLAM Installation and User’s Guide
CONTENTS
Document Purpose and Intended Audience ............................................................11
4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide9
104929 DSLAM Installation and User’s Guide4929-A2-ZN20-30
ABOUT THIS GUIDE
Document Purpose and Intended Audience
This document is written for technicians who install the 4929 DSLAM.
Document Summary
SectionDescription
Chapter 1, IntroductionDescribes the 4929 DSLAM.
Chapter 2, InstallationDescribes the physical installation of the
Chapter 3, CablingDescribes how to install all cables for the
Chapter 4, LEDsExplains the meaning and usage of the front panel LEDs.
Chapter 5, Configuration Using
the NMS
Chapter 6, Command Line
Interface
Appendix A, Connectors and
Pin Assignments
Appendix B, Equipment ListProvides part numbers for the
Appendix C, Technical
Specifications
IndexLists key terms, acronyms, concepts, and sections in alphabetical
A master glossary of terms and acronyms used in these documents is available
on the World Wide Web at www.zhone.com.
Describes the configuration of the
interface.
Describes the configuration of the
command line interface.
Provides pinouts for all connectors on the
4929 DSLAM and related products.
Lists the technical characteristics of the
order.
4929 DSLAM into a rack.
4929 DSLAM.
4929 DSLAM using the web
4929 DSLAM using the
4929 DSLAM.
4929 DSLAM.
4929-A2-ZN20-304929 DSLAM Installation and User’s Guide11
Related Product Documents
Documentation for this product is available on the World Wide Web at
www.zhone.com.
Document Title
MIM-10/100 Installation Instructions
Describes how to install the MIM-10/100 Micro Interface Module.
MIM-2E1 Installation Instructions
Describes how to install the MIM-2E1 Micro Interface Module.
MIM-2T1 Installation Instructions
Describes how to install the MIM-2T1 Micro Interface Module.
MIM-2000F Installation Instructions
Describes how to install the MIM-2000F Micro Interface Module.
MIM-4E1 Installation Instructions
Describes how to install the MIM-4E1 Micro Interface Module.
MIM-4T1 Installation Instructions
Describes how to install the MIM-4T1 Micro Interface Module.
®
GrandVIEW
Contains instructions for maintaining network services and resources using
the GrandVIEW Element Management System (EMS).
EMS User’s Guide
124929 DSLAM Installation and User’s Guide4929-A2-ZN20-30
Contacting Global Service and Support
Contact Global Service and Support (GSS) if you have any questions about
this or other Zhone products. Before contacting GSS, make sure you have the
following information:
zZhone product you are using
zSystem configuration
zSoftware version running on the system
zDescription of the issue
Technical Support
If you require assistance with the installation or operation of your product, or
if you want to return a product for repair under warranty, contact GSS. The
contact information is as follows:
Contacting Global Service and Support
E-mail
Telephone (North America)877-ZHONE20
Telephone (International)510-777-7133
Internetwww.zhone.com/support
If you purchased the product from an authorized dealer, distributor, Value
Added Reseller (VAR), or third party, contact that supplier for technical
assistance and warranty support.
Service Requirements
If the product malfunctions, all repairs must be performed by the
manufacturer or a Zhone-authorized agent. It is the responsibility of users
requiring service to report the need for service to GSS.
support@zhone.com
4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide
13
144929 DSLAM Installation and User’s Guide4929-A2-ZN20-30
INTRODUCTION
Overview
The 4900 Series DSLAMs are ADSL ITU G.992.5-compliant IP DSLAMs.
They are available with or without internal POTS splitters.
48 1.24A
MAX
PWR
+
+
Features
COM
1 2 3 4 5 6 7 8 9
MIM2 T1/E1
LK
ACT
LK
ACT
13 14 15 16 17 18 19 20 21 22 23 24
MIM
10 11 12
10/10/1000
Lnk
SFP
Act
Dup
POTS
ADSL2+
The 4900 Series DSLAMs are Ethernet based, environmentally hardened, and
small enough to fit in even crowded Remote Terminal cabinets.
The 4900 Series DSLAMs support IGMP snooping for IP Video support,
SNMP Management, Multimedia Traffic Management (MTM), enhanced
security features, and up to 24 Mbps downstream bandwidth available on
every one of its 24 DSL ports. Front loading, hot-swappable uplink module
options called Micro Interface Modules (MIMs) are available for installation
into the DSLAM. MIMs include T1/E1, 100BaseFX, 10/100BaseT, and
gigabit Ethernet for easy integration with other network elements and easy
migration as bandwidth requirements increase.
The 4900 Series DSLAMs interoperate with industry standard ADSL
modems over the local loop while preserving the benefits of a packet-based
architecture.
4929
05-17614
Each 4900 Series DSLAM has the following features:
zUtilizes DSL The Easy Way™ Ethernet-based Architecture for optimum
throughput and plug and play operation without the need to configure
PVCs
zSmall enough to fit in any remote terminal; ETSI standard form factor for
19” and 23” racks
z24 ports of ADSL/ADSL2/ADSL2+ (ITU G.992.5), Annex A
zModular, hot-swappable media independent backhaul using the following
4929-A2-ZN20-304929 DSLAM Installation and User’s Guide15
Introduction
zCompliant to ETSI 300-119-1-3 Environmental Requirements
zMTM for enhanced security and prioritization
zEmbedded web-based management system for easy,
platform-independent remote management, and SNMP for remote
monitoring
zIGMP snooping for multicast video support
zAvailable with integral 600 Ohm POTS splitters, 900 Ohm POTS, or
ISDN splitters
164929 DSLAM Installation and User’s Guide4929-A2-ZN20-30
INSTALLATION
Preparation
Consider the following before installing the DSLAM:
zInstallation Site – Your installation site should be well ventilated, clean,
zInstallation Options – The DSLAM may be:
and free of environmental extremes.
— Mounted with the included mounting brackets in a standard 19-inch
(483 mm) or 23-inch (584 mm) rack (including both Bay Networks
and Nortel 23-inch racks), or, with separately purchased mounting
brackets, in a 21-inch (535 mm) ETSI rack. ETSI brackets are
available. See Appendix B, Equipment List.
As many 4900 Series DSLAMs may be mounted in a standard rack as
there are 1.75-inch (44.45 mm) spaces in the rack, so long as
adequate cooling is provided.
— Mounted on a wall.
— Set on a shelf or desktop.
Up to eight 4900 Series DSLAMs may be stacked on a shelf or
desktop. Different models can be mixed in a stack.
zPower – The DSLAM operates from a –48 VDC power supply to allow
for standard power connections available in a CO. For AC voltage
environments, an external AC-to-DC power converter is required.
4929-A2-ZN20-304929 DSLAM Installation and User’s Guide17
Installation
Cables Required
Table 1: Cable Descriptions
Connector
Name or MIMConnector and Cable For Connecting . . .
No cables are provided with the DSLAM. See Table 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.
ADSL2+
POTS
SFPGigE SFP transceiver and cable.A 4900 Series DSLAM to an upstream
10/100/10008-position modular plug and 8-wire
MIM10/1008-position modular plug and 8-wire
MIM-100FX100 Mbps SFP transceiver and fiber optic
MIM-2000FUp to two GigE SFP transceivers and
MIM-2E1
MIM-2T1
50-pin RJ21X Telco-type straight
connector and 50-wire cable. Up to two
cables required: one for DSL and one for
POTS (if POTS splitters are installed).
Category 5 or better unshielded twisted
pair (UTP) cable.
Category 5 or better unshielded twisted
pair (UTP) cable.
cable.
cables.
8-position modular plug and 8-wire
Category 5 or better unshielded twisted
pair (UTP) cable. Up to two required.
Up to 24 DSL ports to a Main
Distribution Frame, punchdown block, or
splitters.
Up to 24 POTS splitter ports to Main
Distribution Frame or punchdown block.
4900 or network.
MIM-4E1
MIM-4T1
COM DB9 to RJ45 adapter cable.The 4900 Series DSLAM to a terminal or
184929 DSLAM Installation and User’s Guide4929-A2-ZN20-30
8-position modular plug and 8-wire
Category 5 or better unshielded twisted
pair (UTP) cable. Up to four required.
a PC with a terminal emulation program.
Unpacking the Hardware
HANDLING PRECAUTIONS FOR
!
STATIC-SENSITIVE DEVICES
This product is designed to protect sensitive components from damage due
to electrostatic discharge (ESD) during normal operation. When performing
installation procedures, however, take proper static control precautions to
prevent damage to equipment. If you are not sure of the proper static control
precautions, contact your nearest sales or service representative.
The DSLAM is shipped in a cardboard shipping container. Carefully remove
the unit from its shipping container and check for physical damage. If the unit
shows signs of shipping damage, notify your sales representative.
Package Contents
In addition to this installation guide, the shipping carton should contain:
Unpacking the Hardware
z4900 Series DSLAM
zTwo sets of mounting brackets: one set suitable for a 19-inch (483 mm)
rack and one set suitable for a 23-inch (584 mm) rack (including Bay
Networks and Nortel)
If anything is missing, notify your sales representative.
Before installing the DSLAM, read the Important Safety Instructions in the
beginning of this document.
Mounting Configurations
Three basic installation configurations are available:
zRack mount – see Installing the Brackets for Rack Mounting on page 20
and Installing the DSLAM Into a Rack on page 21. In this guide, the term
rack refers to any rack, cabinet, frame, or bay suitable for mounting
telecommunications equipment.
zWall mount – see Installing the DSLAM on a Wall on page 22.
zShelf or desktop – see Installing the DSLAM on a Shelf or Desktop on
page 24.
4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide
19
Installation
Installing the Brackets for Rack Mounting
The 4900 DSLAM can be installed in a rack using mounting brackets. Two
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.
To install the mounting brackets for rack mounting:
1 Identify eight flat-head screws provided with the mounting brackets.
2 Attach the brackets appropriate to your rack size. Tighten all screws
firmly.
19-inch (483 mm) Rack Mount
23-inch (584 mm) EIA and Bay Networks
23-inch (584 mm) Nortel
Rack Mount
Rack Mount
05-17631
204929 DSLAM Installation and User’s Guide4929-A2-ZN20-30
Installing the DSLAM Into a Rack
Use:
z#10-32 mounting screws for rails with threaded screw holes
z#12-24 mounting screws and self-retaining nuts for rails with unthreaded
screw holes
To install the DSLAM into a rack:
1 Determine where in the rack you will mount the DSLAM. If your rack
does not have threaded screw holes, slip self-retaining nuts onto the rails
where the DSLAM will be fastened.
Installing the DSLAM Into a Rack
02-17070
2 Place the unit so that the brackets rest against the front of the rails. Insert
screws in the bottom screw positions and hand-tighten them.
4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide
21
Installation
3 Insert and tighten the screws in the top screw positions, then tighten the
bottom screws.
48 1.24A
M
A
X
PW
R
+
+
M
IM
MIM
2 T1/E1
1 2 3 4 5 6 7 8 9
LK
ACT
LK
ACT
13 14 15 16 17 18 19 20 21 22 23 24
10 11 12
CO
10/10/1000
M
Lnk
A
ct
Dup
POTS
SFP
ADSL2+
4929
Installing the DSLAM on a Wall
Wall mounting requires two wood screws suitable for the weight of the fully
cabled unit. These are not included. Use at a minimum 1/4-inch (6 mm)
diameter screws in 3/4-inch (19 mm) plywood (not drywall).
To install the DSLAM on a wall:
1 Identify the flat-head screws provided in the hardware kit and the brackets
suitable for a 23-inch rack. Two screws are required for each bracket.
2 Lay the unit upside down on a flat surface.
3 Locate the pair of threaded holes on the right side of the unit. Attach a
bracket using the flat-head screws.
05-17616
224929 DSLAM Installation and User’s Guide4929-A2-ZN20-30
Installing the DSLAM on a Wall
4 Locate the pair of threaded holes on the left side of the unit. Attach a
bracket using the flat-head screws.
05-17522-01
5 Tighten all screws firmly.
6 Lift the unit into the position it will occupy on the wall and mark the
positions of the key slots in the brackets. Set the unit aside.
7 Install two wood screws (not provided) at the points you have marked. Do
not completely tighten the screws. Leave them so their heads are about
1/4 inch (6 mm) from the wall.
05-17437-01
4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide
23
Installation
8 Hang the unit from the wood screws to verify that the screws are properly
placed. The screws should freely slide into the top of the key slots in the
brackets.
Do not fasten the unit to the wall until after it is completely cabled and
tested.
Installing the DSLAM on a Shelf or Desktop
If the DSLAM will be placed on a shelf or desktop, install the provided rubber
feet before putting the unit in position.
To install the DSLAM on a shelf or desktop, as a standalone unit or in a stack:
1 Locate the rubber feet in the hardware kit provided with the unit.
2 Turn the unit upside down on a flat surface. Squares stamped into the
bottom of the unit show the proper positions for the feet.
3 Remove the protective sheet from the bottom of each foot, then press the
foot onto a corner of the bottom of the unit.
4 Turn the unit right side up and place it in position on a shelf or desktop.
5 If the installation includes more than one unit, one can be stacked atop
another. Up to eight units can be stacked together.
244929 DSLAM Installation and User’s Guide4929-A2-ZN20-30
03-17439
CABLING
Cabling Overview
The 4900 Series DSLAM has a large variety of possible cabling
configurations. This chapter describes all possible connections, not all of
which are required:
zInstalling the Micro Interface Module on page 26
zConnecting the ADSL2+ and POTS Connectors on page 27
zConnecting the SFP Connector or the 10/100/1000 Connector on page 28
zConnecting the COM Port on page 30
zConnecting to Power on page 31
4929-A2-ZN20-304929 DSLAM Installation and User’s Guide25
Cabling
Installing the Micro Interface Module
A Micro Interface Module (MIM) is not required for operation. It provides
additional Ethernet, T1, or E1 uplink ports for the DSLAM, depending upon
the MIM model installed.
To install a MIM:
1 Using a flat-head screwdriver to loosen the fastening screws, remove the
blanking plate covering the MIM port on the front of the DSLAM.
2 Align the MIM with the module guides inside the DSLAM's MIM port.
48 1.24A
MAX
PWR
+
+
MIM
MIM2 T1/E1
1 2 3 4 5 6 7 8 9
LK
ACT
LK
ACT
13 14 15 16 17 18 19 20 21 22 23 24
10 11 12
05-17617
3 Slide the MIM into the chassis until it is fully seated.
4 Secure the MIM by tightening the fastening screws on the MIM faceplate
with a flat-head screwdriver.
5 Cable the MIM as described in the MIM installation instructions.
264929 DSLAM Installation and User’s Guide4929-A2-ZN20-30
Connecting the ADSL2+ and POTS Connectors
Connecting the ADSL2+ and POTS Connectors
DSL connector supports the tip and ring connections of up to 24 DSL ports
over a 50-position cable. A POTS (plain old telephone service) splitter
connector is also provided in certain models. If your model does not contain
an integrated POTS splitter, you must connect the unit to a separate POTS
splitter.
To cable the DSL Ports:
1 Insert a cable tie (provided) through the top of the anchor mount next to
the ADSL2+ connector.
2 If the connector for your cable has a short captive screw, attach the cable
to the ADSL2+ connector and fasten it to the jack screw with its short
captive screw.
#4-40
Jack Screw
Short
Screw
50-Pin
Connector
Anchor
Mount
02-17083
3 If the connector for your cable has a long captive screw, remove the
provided jack screw from the threaded hole next to the ADSL2+
connector. Attach the cable connector to the unit using the long captive
screw.
Anchor
Mount
Long
Screw
50-Pin
Connector
02-17346
4 Tighten the cable tie around the connector and trim the excess.
02-17084
5 If you are using an integrated POTS splitter, repeat Step 1 through Step 4,
substituting POTS for ADSL2+.
4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide
27
Cabling
6 Install the supplied large ferrite chokes on the DSL and POTS cables as
close as possible to the connectors. If necessary, use cables ties to hold the
chokes in place.
7 Secure the cables as required for strain relief.
COM
POTS
Ferrite
Chokes
ADSL2+
4929
05-17636
10/10/1000
Lnk
SFP
Act
Dup
Connecting the SFP Connector or the 10/100/1000
Connector
There are two Ethernet interfaces on the faceplate of the DSLAM, only one of
which may be used at a time:
zAn 8-position modular jack providing support for 1000BaseT
zA Small Form-Factor Pluggable (SFP) socket providing, with the
appropriate transceiver installed, support for 1000BaseX and 1000BaseT.
See Appendix B, Equipment List.
Either interface can be used as the uplink for a single DSLAM, or for the
terminating unit in a stack of DSLAMs.
To use the SFP connector or 10/100/1000 connector:
1 Connect the uplink cable to the DSLAM:
— For a wire connection, plug the 8-position modular plug of your
uplink cable into the 10/100/1000 modular jack. A straight-through
cable can be used regardless of the destination interface, since the
port automatically distinguishes between a Medium-Dependent
Interface (MDI) and an MDI Crossover (MDIX).
Install the supplied small ferrite choke on the cable as close as
possible to the jack. Use a cable tie to hold the choke in place.
284929 DSLAM Installation and User’s Guide4929-A2-ZN20-30
Connecting DSLAMs to Each Other
— For an SFP copper connection, plug your transceiver into the SFP
socket. Plug the 8-position modular plug of your uplink cable into the
SFP transceiver’s modular jack.
— For an SFP fiber connection, plug your transceiver into the SFP
socket. Plug the LC connector of your fiber optic uplink cable into the
cable socket of the transceiver. Observing the minimum bend radius
for your cable, fasten it with cable ties in such a way that it will not be
kinked or snagged in the course of other cabling. If you do not know
the specifications for your cable, maintain a radius of at least ten
times the cable diameter.
COM
POTS
ADSL2+
4929
05-17619
10/10/1000
Lnk
SFP
Act
Dup
2 Connect the other end of the uplink cable to the uplink interface, such as
an Ethernet switch.
Connecting DSLAMs to Each Other
Two or more DSLAMs can be daisy-chained together. All DSLAMs in this
configuration must have a MIM installed; the MIM2000F, with two GigE
ports, is recommended for performance reasons.
When daisy-chaining, one Ethernet port must be connected to the LAN,
normally to a router. A second Ethernet port is connected to an Ethernet port
of another 4900 DSLAM, or to the uplink interface.
The connection to the downstream DSLAM must be specified. This is done
using the web interface. See DSLAM Interconnect Configuration in Chapter 5,
Configuration Using the NMS.
4929-A2-ZN20-30 4929 DSLAM Installation and User’s Guide
29
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