Cisco MGX 8850 VISM, Release 1.5 Installation and Configuration
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About This Manual

Table Of Contents

About This Manual




Related Documentation


About This Manual

Welcome to the installation and configuration manual for the Cisco Voice Interworking Service Module Release 1.5.

This section discusses:




Related Documentation


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This publication will describe the features, functions, construction, installation, operation and Command Line Interface of the Cisco Voice Interworking Service Module (VISM) Release 1.5.


This publication is designed for the person installing VISM cards on the MGX 8850 shelf, who should be familiar with electronic circuitry and wiring practices and have experience as an electronic or electromechanical technician. It is also intended for the network administrator who will configure the MGX 8850 shelf. The installers and network administrators should also be familiar with Cisco switches, Frame Relay connections, and Cisco wide area networks. During the initial installation of an MGX 8850 shelf, it is also helpful to have a system administrator on-hand who is familiar with your network and UNIX servers.


This manual describes the features, functions, construction and operation of the VISM Release 1.5 in the following sections.

Introducing the Cisco Voice Interworking Service Module

Introduction to VISM and this manual.


Describes the installation of VISM front and back cards in an MGX 8850 shelf. Installalion procedures for installing new software/firmware are included.

General Description

Provides an overall description of the features, functions, and applications of VISM 1.5.

Tandem/Switch Application (VoIP Mode)

Describes VISM using voice over IP in a Tandem/Switch application. Includes configuration details.

Multi-Service Access Application (VoIP Mode)

Describes VISM using voice over IP in a Multi-service access application. Includes configuration details.

AAL2 Trunking Application

Describes VISM in an AAL 2 Trunking application. Includes configuration details.

Command Line Interface

Provides details of all the VISM 1.5 CLI commands that are available to the user


Describes VISM troubleshooting tools.

Cabling Summary

Describes the cables required for connecting T1 and E1 lines to the VISM card.


Provides specifications of the VISM front and back cards.

Related Documentation

The following Cisco publications contain additional information related to the operation of the Cisco WAN switching network:

Cisco WAN Manager Operations providing procedures for using the Cisco WAN Manager.

Release 9.3 of the Cisco WAN Switching documentation set including:

Cisco IPX Reference providing a general description and technical details of the Cisco IPX narrowband node.

Cisco IGX 8400 Series Reference providing a general description and technical details of the multi-band Cisco IGX 8400 series.

Cisco MGX 8850 Reference providing a general description and technical details of the MGX 8850 node.

Cisco WAN Switching Command Reference providing detailed information on the command line interfaces used in operating a Cisco WAN switching network.


This publication uses the following conventions to convey instructions and information.

Command descriptions use these conventions:

Commands and keywords are in boldface.

Arguments for which you supply values are in italics.

Elements in square brackets ([ ]) are optional.

Alternative but required keywords are grouped in braces ({ }) and are separated by vertical bars ( | ).

Examples use these conventions:

Terminal sessions and information the system displays are in screen font.

Information you enter is in boldface screen font.

Non-printing characters, such as passwords, are in angle brackets (< >).

Default responses to system prompts are in square brackets ([ ]).

Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in this manual.

Caution Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data.

Warning This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, you must be aware of the hazards involved with electrical circuitry and familiar with standard practices for preventing accidents. (To see translated versions of this warning, refer to the Regulatory Compliance and Safety Information document that accompanied your product.)