Paradyne WIRELESS DATA GATEWAY Operating instructions

WIRELESS DATA GATEWAY

INSTALLATION AND OPERATION MANUAL

Document No. 3981-A2-GN31-20

November 1996

Wireless Data Gateway

A November 1996 3981-A2-GN31-20

Wireless Data Gateway

Installation and Operation Manual

3981-A2-GN31-20

3rd Edition (November 1996)

Changes and enhancements to the product and to the information herein will be documented and issued as a new release.

Warranty, Sales, and Service Information

Contact your sales or service representative directly for any help needed. For additional information concerning warranty,

sales, service, repair, installation, documentation, or training, use one of the following methods:

• Via the Internet: Visit the Paradyne World Wide Web site at http://www.paradyne.com

• Via Telephone: Call our automated call system to receive current information via fax or to speak with a company

representative.

— Within the U.S.A., call 1-800-870-2221

— International, call 727-530-2340

Trademarks

All products and services mentioned herein are the trademarks, service marks, registered trademarks or registered service

marks of their respective owners.

This publication is protected by federal 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 of Paradyne Corporation, 8545 126th Avenue North, P.O. Box 2826, Largo, Florida 33779-2826.

Paradyne Corporation makes no representation or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability

or fitness for a particular purpose. Further, Paradyne Corporation reserves the right to revise this publication and to make changes from time to time in the contents

hereof without obligation of Paradyne Corporation to notify any person of such revision or changes.

Printed on recycled paper

Safety Instructions

B3981-A2-GN31-20 November 1996

Important Safety Instructions

1. Read and follow all warning notices and instructions marked on the product or included in the

manual.

2. The dc configuration of this product is to be grounded by connecting an external wire

between the building ground and the equipment ground screw on the rear of the power supply

assembly. Consult a qualified electrician to ensure that the ground connections are connected.

3. 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.

4. Do not allow anything to rest on the power cord and do not locate the product where persons

will walk on the power cord.

5. Do not attempt to service this product yourself, as opening or removing covers may expose

you to dangerous high voltage points or other risks. Refer all servicing to qualified service

personnel.

6. General purpose cables are provided with this product. Special cables, which may be required

by the regulatory inspection authority for the installation site, are the responsibility of the

customer.

7. 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.

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. To provide proper cabinet balance, always install the controller and carriers in the bottom of

the cabinet first, then work up.

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.

Wireless Data Gateway

C November 1996 3981-A2-GN31-20

Notices

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i3981-A2-GN31-20 November 1996

Table of Contents

Preface

About This Manual v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Related Documents v. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1. System Overview

Introduction 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Logical Description 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. Site Preparation

Mounting Equipment 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T1 Interface 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Call Routing 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3. 3000 Series Carrier Installation

Carrier Installation 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4. Modem Installation and Configuration

Modem Installation 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6700 Series NMS 4-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5. AAC Installation and Configuration

AAC Installation 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6. Testing the System

Introduction 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Normal Operation 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

System Checkout 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Problems and Solutions 6-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Wireless Data Gateway

ii November 1996 3981-A2-GN31-20

Appendices

A. Technical Specifications A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B. Pin Assignments B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

C. Equipment List C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Glossary

Index

Table of Contents

iii3981-A2-GN31-20 November 1996

List of Figures

Figure Page

(Frontispiece) Wireless Data Gateway 1-0. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1 WDG Overview 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-3 Gateway Channel 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-1 Attaching the NIM 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2 CO Power Unit Installation 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3 Option Straps (S1 and S2) on a –48 Vdc CO Power Unit 3-5. . . . . . . . . . . . . . . . . . . . .

3-4 Option Straps (S1 through S5) on the CO Power Unit’s Backplane 3-5. . . . . . . . . . . . .

3-5 Cabling the NIM 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-6 Installing the SDCP 3-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-7 SDU Switches 3-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-8 Installing the SDU 3-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-9 Power Tray Connectors 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-10 Building the Power Input Cable 3-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-11 Using One Power Source and One Input Power Cable for

Basic (shown) or Redundant Mode 3-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-12 Using Two Separate Power Sources for Independent Mode or Redundant Mode 3-12. .

3-13 Using One Power Source and Two Input Power Cables for

Independent Mode or Redundant Mode 3-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-14 SDU Connections 3-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1 Rear Connector Plate 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-2 Installing a 3811Plus Modem 4-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-3 3811Plus Modems with DTE Crossover Cables 4-4. . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-4 Circuit Pack Lock 4-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1 DSX/CEPT Module Strapping 5-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-2 E&M Card Switch Positions 5-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-3 50-Pin Amphenol to Two RJ48C Adapter 5-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-4 50-Pin Amphenol to Eight RJ48C Adapter 5-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-5 Connecting E&M Cards to NIMs 5-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-6 Switch Connection Without WAN Redundancy 5-10. . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-7 Switch Connection With WAN Redundancy 5-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B-1 DTE Loopback Cable B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Wireless Data Gateway

iv November 1996 3981-A2-GN31-20

List of Tables

Table Page

3-1 Settings for Basic Mode 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-2 Settings for Independent Mode 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3 Settings for Redundant Mode Using a Single –48 Vdc Power Source and a

Single Input Power Cable 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-4 Settings for Redundant Mode with Either a Single Power Source

and Two Input Power Cables, or Two Separate Power Sources

and Two Input Power Cables 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-5 Carrier Address DIP Switches 3-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-6 Protocol DIP Switches 3-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-1 3811Plus Modem Configuration 4-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-1 Switch Settings for E&M Cards 5-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-2 Two T1s: Configuration of First E&M Card (Slot U1) 5-4. . . . . . . . . . . . . . . . . . . . . . .

5-3 Two T1s: Configuration of Second E&M Card (Slot U2) 5-4. . . . . . . . . . . . . . . . . . . . .

5-4 Two T1s: Configuration of Third E&M Card (Slot U3) 5-5. . . . . . . . . . . . . . . . . . . . . .

5-5 Two T1s: Configuration of Fourth E&M Card (Slot U4) 5-5. . . . . . . . . . . . . . . . . . . . .

5-6 Two T1s: Configuration of Fifth E&M Card (Slot U5) 5-5. . . . . . . . . . . . . . . . . . . . . . .

5-7 Two T1s: Configuration of Sixth E&M Card (Slot U6) 5-5. . . . . . . . . . . . . . . . . . . . . .

5-8 One T1: Configuration of First E&M Card (Slot U1) 5-6. . . . . . . . . . . . . . . . . . . . . . . .

5-9 One T1: Configuration of Second E&M Card (Slot U2) 5-6. . . . . . . . . . . . . . . . . . . . . .

5-10 One T1: Configuration of Third E&M Card (Slot U3) 5-7. . . . . . . . . . . . . . . . . . . . . . .

5-11 Cabling of E&M Cards to NIMs 5-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

A-1 Technical Specifications for the Wireless Data Gateway A-1. . . . . . . . . . . . . . . . . . . . .

B-1 4-Wire NIM/E&M Connector Pin Assignments B-2. . . . . . . . . . . . . . . . . . . . . . . . . . . .

B-2 4-Wire NIM/E&M Connector Pin Assignments B-2. . . . . . . . . . . . . . . . . . . . . . . . . . . .

B-3 4-Wire NIM Power Cable Wiring B-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B-4 50-Pin Amphenol to Two RJ48C Adapter Pin Assignments B-3. . . . . . . . . . . . . . . . . . .

B-5 50-Pin Amphenol to Eight RJ48C Adapter Pin Assignments B-4. . . . . . . . . . . . . . . . . .

v3981-A2-GN31-20 November 1996

Preface

About This Manual

This manual describes installation and operation

requirements particular to the ACCULINK Access

Controller (AAC), COMSPHERE 3000 Series Carrier,

and 3811Plus modem when they are used in combination

to implement the Wireless Data Gateway (WDG). In

addition, this manual describes elements unique to the

WDG, such as the 4-Wire E&M Network Interface

Module (NIM).

Chapter 1 describes the purpose of the WDG and the

hardware it comprises.

Chapter 2 describes the site preparation requirements

of the WDG.

Chapter 3 describes the installation and cabling of the

3000 Series Carrier.

Chapter 4 describes the installation, cabling, and

configuration of the 3811Plus modems.

Chapter 5 describes the installation, cabling, and

configuration of the AAC and its adapter cards.

Chapter 6 describes the operation of the WDG, and

offers solutions to common problems.

Appendix A provides the technical specifications of the

WDG.

Appendix B provides the pin assignments for the DTE

loopback cable, the 8-pin modular to DB-25 cable, and the

E&M card to NIM connectors.

Appendix C lists equipment associated with the WDG.

The Glossary defines some of the abbreviations and

product-specific terms used in this manual.

Related Documents

The WDG is shipped with the following additional

manuals:

Paradyne:

3000-A2-GA31 COMSPHERE 3000 Series

Carrier Installation Manual

3000-A2-GB41 COMSPHERE –48 Vdc

Central Office Power Unit

Installation Guide

3980-A2-GB30 COMSPHERE 3800Plus

Modems User’s Guide

6700-A2-GY31 COMSPHERE 6700 Series

Network Management System

User’s Guide

AT&T:

582-510-100 ACCULINK Access Controller

Reference Guide

Call your sales representative for additional product

documentation

Wireless Data Gateway

1-0 November 1996 3981-A2-GN31-20

496-14628-02

P

a

r

a

dyn

e

ACCULINK

Access Controller

3000 Series

Carriers

3811

Plus

Modems

Wireless Data Gateway

1-13981-A2-GN31-20 November 1996

System Overview

Introduction 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Logical Description 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Network/Switch Interface 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Modem Bank 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Network Management 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Audio Timeout 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Introduction

The Wireless Data Gateway (WDG) is a modem pool

that acts as the termination point for cellular calls and the

origination point for PSTN calls. The WDG consists of

dial modems and a T1 access platform directly connected

to the T1 looparound trunks of a cellular switch.

The WDG dynamically matches the protocol of a

user’s modem to take full advantage of Enhanced

Throughput Cellular (ETC) or MNP 10 to enhance

performance. The WDG eliminates the impact of echo,

clipping, and cell handoff impairments to provide greater

reliability in mobile-to-host communications.

Calls originating from a cellular data user, identified

with a special prefix (such as *DATA), are routed through

the WDG. The WDG allows call information to be passed

through the system unimpaired. When the WDG detects

that the destination has answered with a data tone, the

WDG intercepts the data start-up sequence and inserts

itself into the VF path.

The WDG then establishes two separate data

connections, one with the originator and one with the

destination, each optimized for its particular line

conditions. See Figure 1-1.

Destination

Land

Modem

COMSPHERE 3610

Mobile Switch

WDG

PSTN

Error

Correcting

Protocol

Cellular

Error Correcting

Protocol

Originating

Cellular

Modem

T1

PSTN

T1

496-14617-0

2

Figure 1-1. WDG Overview

1

Wireless Data Gateway

1-2 November 1996 3981-A2-GN31-20

Logical Description

The WDG consists of three major functional areas:

• Network/Switch Interface

• Modem Banks

• Network Management

See Figure 1-2.

Network

Interface

Network

Management

4-Wire

E&M

T1 or E1

Modem Bank

496-14618-0

1

Figure 1-2. WDG Functional Areas

Network/Switch Interface

The Network/Switch Interface terminates two digital

T1 or E1 signals from the loop-around connections of a

mobile switch and provides a 4-wire E&M signaling

interface to the modem banks.

The interface is implemented using the ACCULINK

Access Controller (AAC).

• The CSU WAN modules on the AAC terminate the

T1 signals.

• The bus architecture of the AAC routes individual

DS0 slots of the T1 to a 4-wire analog interface on

4-wire E&M interface cards within the AAC.

• Each pair of E&M ports map to a time slot on the

T1 looparound trunks.

• Each 4-wire E&M card provides 8 analog interfaces

in the form of a 50-position connector.

Modem Bank

The modem bank terminates 4-wire E&M signals from

the Network/Switch Interface with paired analog modems

in a carrier. Modems are either idle or active.

When . . .

Then . . .

When two paired

modems are idle

The modems act as an E&M

pass-through circuit.

Transmit signals from one

E&M port on the AAC are

routed to the receive path of

the next E&M port.

When fax calling tone is

detected

The detecting modem

signals its partner not to

answer. The modems are in

fax pass-through mode.

When a modem goes

active (detects answer

tone)

It signals its partner modem

and they begin training.

When both modems are

active

The pass-through function is

disabled and the modems

terminate the signals from

the E&M ports on the AAC.

See Figure 1-3.

T1 or E1 signal

enters here from

the switch's

looparound trunks.

A single DSO

(shown here as

TS1) is brought

out and bussed to

a port on the

4-wire E&M card.

The 3811

Plus

modems

terminate the

modem signal

from the cellular

modem and

route the data to

another modem

through a DTE

crossover cable.

The signals between

the Network Interface

block and the Modem

Bank use a 4-wire E&M

signaling arrangement.

Network

Interface Block

Modem Bank

DTE

Crossover

Cable

4W

NIM

4W

E&M

TS1

3811

Plus

E&M1-1

E&M1-2

WAN2

WAN1

3811

Plus

496-14619-0

1

Figure 1-3. Gateway Channel

System Overview

1-33981-A2-GN31-20 November 1996

The modem bank is implemented using the

COMSPHERE 3000 Series Carrier and 3811Plus

modems.

• A 4-wire E&M Network Interface Module (NIM)

provides the physical termination for eight 4-wire

E&M connections in the form of a 50-position

connector.

• A single 50-position cable connects the eight

analog interfaces on each NIM to a single 4-wire

E&M interface card on the AAC. (This is the only

interconnection supported for the modem 4-wire

interface; it cannot be directly connected to the

network.)

The WDG always attempts to match the modulation

and error correction (EC) protocol of the remote cellular

and PSTN modems. In addition, the WDG rejects calls on

the cellular connection which attempt to connect without

an EC protocol. (Calls on the PSTN, however, are allowed

to connect without an EC protocol.)

Fax calls and voice calls are identified by the WDG

and handled in passthrough mode.

Network Management

Network Management for the carrier is implemented

using an IBM AT-compatible personal computer running

the COMSPHERE 6700 Series Network Management

System (NMS) under the Microsoft Windows

environment.

The AAC is directly controlled by VT100 terminal

emulation software running on a personal computer. The

AAC supports SNMP, and can be placed under the control

of an SNMP manager such as SunNet Manager or

HP OpenView.

Audio Timeout

The WDG can be used for voice calls. However, this

diminishes the number of connections available for data

calls. The Audio Timeout feature helps maintain

availability of the WDG by disconnecting a voice call

after a user-selected number of seconds (001 to 999)

elapses.

The Audio Timeout configuration option is available

from the Shared Diagnostic Control Panel (SDCP). Audio

Timeout follows the CellularRJ11Adpt configuration

option in the Misc group of the Configure branch.

F1

Audio Timeout

End ↑ 0

00 sec

F2

F3

The and keys are used to move the cursor

from one digit to the next, and the F2 key (under the ↑

symbol) is used to increment the digit position.

The default is 000 seconds, meaning that voice calls

are not automatically disconnected.

The Audio Timeout value must allow sufficient time

for the call to complete. A minimum setting of 30 seconds

is recommended. Set the value in both the land-side and

cellular-side modems.

See the COMSPHERE 3800Plus Modems User’s Guide

(3980-A2-GB30) for more information about configuring

the modem using the SDCP.

2-13981-A2-GN31-20 November 1996

Site Preparation

Mounting Equipment 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

T1 Interface 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Call Routing 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting Equipment

The following information should be used in

conjunction with the site requirements described in the

ACCULINK Access Controller Reference Guide and the

COMSPHERE 3000 Series Carrier Installation Manual.

A single WDG system comprises one ACCULINK

Access Controller (AAC) and up to three COMSPHERE

3000 Series Carriers. These require one of the following

for mounting and support:

• One COMSPHERE 72-Inch Equipment Cabinet

(Part Number 4000-B2-200).

• Any standard EIA 19-inch or 23-inch equipment

cabinet with sufficient vertical space for one AAC

(10 inches), up to three COMSPHERE 3000 Series

Carriers (11 inches each), and any power

distribution equipment.

Allow sufficient space in the front and rear of the

cabinet to permit access for installation and maintenance.

Provide sufficient ventilation to maintain temperatures

in the normal operating range for the equipment. See

Appendix A.

Power

The WDG requires –48 Vdc power, and the maximum

configuration uses 519 watts.

Calculate fuse requirements according to the following:

• 2 amps for the AAC

• 3 amps for each fully-loaded carrier

T1 Interface

A fully-configured WDG requires two T1 lines. Either

DSX or CSU operation is supported, controlled by the

type of plug-in card attached to the WAN card in the

AAC. Either D4 or ESF formats are supported, controlled

by software in the AAC.

Note that the RJ48 T1 cables supplied with the AAC

use stranded wire; they should not be used for a wire wrap

connection. Obtain solid-wire cables for a wire wrap

connection.

Call Routing

So that cellular calls can be identified and routed

through the WDG, the cellular user dials a special prefix

(typically *DATA, or *3282) before the destination phone

number.

Configuring the switch for proper routing according to

the prefix is the responsibility of the switch administrator.

Once the routing has been arranged, it can be tested

using a cellular phone, a laptop PC, a PCMCIA modem,

and standard communications software. See Chapter 6.

2

3-13981-A2-GN31-20 November 1996

3000 Series Carrier Installation

Carrier Installation 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Install the NIMs 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Install the Carrier 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Install the Power Units and the Power Tray 3-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connect the NIM Cables 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Install the SDCP 3-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Install the SDU 3-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connect the –48 Vdc Power Source 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connect the NMS 3-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Carrier Installation

Installation of the COMSPHERE 3000 Series Carrier is

described in the COMSPHERE 3000 Series Carrier

Installation Manual except for the installation and cabling

of the 4-Wire E&M Network Interface Module (NIM) and

the configuration and cabling of the 3811Plus modems.

Experienced installers may wish to follow this

checklist.

Checklist

- Attach the NIM to the carrier backplane.

• Set up a static-free work area.

• Attach the PBX cable to the carrier backplane.

• Attach the NIM card to the backplane.

• Attach the PBX cable to the NIM card.

- Install the SDCP ribbon cable.

- Install the carrier into the rack.

- Configure the power tray and power unit straps.

- Attach the grounding strap to the power tray.

- Install the power tray.

- Connect the NIM cables.

• Attach the 50-position ribbon cable to the NIM

card and the backplane.

• Install the power connectors to the backplane

and the NIM.

- Install the SDCP.

• Attach the ribbon cable to the SDCP.

• Fasten the SDCP to the front of the carrier.

- Set the SDU DIP switches and install the SDU card

in Slot 0.

- Connect a power source.

- Connect the NMS and cable the SDUs together.

3

Wireless Data Gateway

3-2 November 1996 3981-A2-GN31-20

Install the NIMs

A NIM on the left side of the backplane operates with

modems located in slots 9–16 of the carrier, and a NIM on

the right side of the backplane operates with modems in

slots 1–8. Use the following instructions to install a NIM.

. Procedure

CAUTION

Always use a ground strap

when handling a NIM. Always

store an unused NIM in an

antistatic bag.

1. Prepare a static-free work area.

2. Ensure that you have all parts available: a NIM, its

three cables, and four screws. See the equipment

list in Appendix C.

3. Plug the short PBX cable terminated with the

26-position mini D-sub connector into the socket

numbered J1 (on the right side of the backplane)

or J2 (on the left side). See Figure 3-1.

4. Carefully align the connectors on the side of the

NIM opposite the steel cover with connectors P23

and P24 (on the right side of the backplane), or

connectors P25 and P26 (left side). Press the NIM

into place and fasten it to the carrier with the four

screws furnished.

5. Insert the 16-position socket at the other end of the

short PBX cable into its mating right-angle

connector at the lower left corner of the NIM.

Press firmly to lock it in place.

P26 P25

P24

P23

P20 P19

J2 P22

J1

P21

496-14807-0

1

Network

Interface

Module

(NIM)

To P23

or P25

To P24

or P26

6-Position

Service-Line

Modular Connectors

(Snaplock Posts,

if Equipped)

Short

PBX Cable

Figure 3-1. Attaching the NIM

3000 Series Carrier Installation

3-33981-A2-GN31-20 November 1996

Install the Carrier

Use the following instructions to install a 3000 Series

Carrier.

. Procedure

1. Attach the SDCP cable to the socket in the base of

the carrier, and feed it through the built-in retainer

clips. See Figure 3-2.

2. Bolt the carrier into the rack. This manual shows

the carriers mounted below the AAC, but this is

not a requirement.

CAUTION

An unmounted carrier may

flex and damage installed

modem cards. Never install

cards in the carrier until the

carrier is mounted in a rack.

Remove all cards from the

carrier before removing a

carrier from a rack.

Built-in

Retainer

Clips

SDCP

Ribbon

Cable

Space

Between

CO Power

Tray and

Power Module

SDCP

Ribbon

Cable

Left

Power

Module

CO

Power

Tray

Flanges

Ground

Strap

496-13681-02

Power

Fan Alarm

3000 DC Power Module

Power

Fan Alarm

3000 DC Power Module

Figure 3-2. CO Power Unit Installation

Wireless Data Gateway

3-4 November 1996 3981-A2-GN31-20

Install the Power Units and Power Tray

. Procedure

1. Configure the power tray and power unit straps.

The straps can be set for Basic mode, Independent

mode, or Redundant mode, and for one or two

power cables. See Tables 3-1 through 3-4, and

Figures 3-3 and 3-4. For detailed information, see

the COMSPHERE –48 Vdc Central Office Power

Unit Installation Guide.

2. Attach a grounding strap (minimum 18 AWG) to

the power tray at the screw marked with the

ground symbol. See Figure 3-2.

3. Feeding the grounding strap through the

rectangular opening in the backplane of the

carrier, slide the power tray into place. Fasten the

tray at the back of the carrier using the two captive

screws.

4. Attach the grounding strap to the nearest frame

ground.

Table 3-1

Settings for Basic Mode

Strap Setting for the

Power Module

Strap Setting for the CO

Power Unit’s Backplane

S1 Lowered

S2 Lowered

S3 Lowered

S2 Lowered

S4 Lowered

S2 Lowered

S5 Lowered

Table 3-2

Settings for Independent Mode

Strap Setting for

Each Power Module

Strap Setting for the CO

Power Unit’s Backplane

S1 Raised

S1 Lowered

S2 Raised

S3 Raised

S2 Lowered

S4 Raised

S2 Lowered

S5 Raised

Table 3-3

Settings for Redundant

Mode Using a Single –48 Vdc Power

Source and a Single Input Power Cable

Strap Setting for

Each Power Module

Strap Setting for the CO

Power Unit’s Backplane

S1 Lowered

S1 Raised

S2 Lowered

S3 Lowered

S2 Raised

S4 Lowered

S2 Raised

S5 Lowered

Table 3-4

Settings for Redundant Mode

with Either a Single Power Source

and Two Input Power Cables, or Two Separate

Power Sources and Two Input Power Cables

Strap Setting for

Each Power Module

Strap Setting for the CO

Power Unit’s Backplane

S1 Lowered

S1 Raised

S2 Lowered

S3 Lowered

S2 Raised

S4 Raised

S2 Raised

S5 Raised

3000 Series Carrier Installation

3-53981-A2-GN31-20 November 1996

S2

S1

S2

S1

494-13696-0

1

Figure 3-3. Option Straps (S1 and S2) on a –48 Vdc CO Power Unit

S1

S2

S3

S4

S5

CO Power Tray

496-13695-01

CO Power Unit

Backplane

Figure 3-4. Option Straps (S1 through S5) on the CO Power Unit’s Backplane

Wireless Data Gateway

3-6 November 1996 3981-A2-GN31-20

Connect the NIM Cables

. Procedure

1. If a plastic wire tie holder is present on one side of

the carrier backplane connectors P21 or P22,

remove it.

2. Using the short 50-position ribbon cable, connect

the 50-position plug at the bottom of the NIM with

the 50-position plug numbered P21 (on the right

side of the carrier backplane) or P22 (on the left

side). Figure 3-5 shows installation on the left side

of the backplane.

3. Secure each connector with its captive screw; do

not overtighten.

4. Connect the power cable. This cable has three

connectors.

— Plug the connector that terminates the shorter

of the two cable arms into P19 (right side) or

P20 (left side).

— Plug the other connector on the same end of

the cable assembly into the –48 Vdc power

supply.

— Plug the connector on the long arm of the

cable assembly into the 4-position connector

on the left side of the NIM. See Figure 3-5.

496-14621-01

To E&M Card

Power Cable

50-Position

Ribbon Cable

26-Pin Miniature

D-Sub PBX Cable

Power Supply

J2

P22

J1

P21

P20

P19

To E&M Card

4-Position

Connector

Figure 3-5. Cabling the NIM

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