Installation guide

Table Of Contents

1-45

Cisco Interface Cards Installation Guide

OL-1919-12

Chapter 1 Overview of Cisco Interface Cards

Cisco MWR 1941-DC Router

• The slot number of WIC/VWIC interfaces installed in slot 1 using a WAN

network module is always 1 and the interfaces are always numbered from the

right to left.

• The slot number for all network module interfaces is always 1 and the

interfaces are always numbered from right to left starting with 1/0.

Interface Card Options for the Cisco MWR 1941-DC Router

Table 1-4 lists the interface cards supported for the Cisco MWR 1941-DC router

and their IOS release requirements.Restrictions on the use of interface cards are

indicated in the footnotes.

The earliest supported release is not necessarily the recommended release. Refer

to the applicable release notes and hardware documentation for release

information specific to your interface cards.

Table Conventions:

• Limited lifetime releases—Only the listed releases support the interface card.

• T-train releases and mainline releases—The earliest release that supports the

interface card is listed. Unless otherwise indicated, all later releases support

the interface card.

Table 1-8 Cisco IOS Releases Required for WICs and VICs in Cisco MWR 1941-DC Routers

Interface Card

Cisco IOS Limited

Lifetime Releases

First Cisco IOS

T-Train Release

First Cisco IOS

Mainline Release

2-port, T1/Fractional T1 or E1/Fractional

E1, Drop and Insert Multiplexers with

integrated T1 CSU/DSUs or E1 DSUs

(VWIC-2MFT-T1-DIR)

1. The details of this VWIC are not covered in this document. For installation information on the VWIC-2MFT-T1-DR and

VWIC-2MFT-E1-DIR, see the VWIC-2MFT-T1-DIR, VWIC-2MFT-E1-DIR Installation Instructions. For information on

configuring the VWIC-2MFT-T1-DR and VWIC-2MFT-E1-DIR, see the Cisco MWR 1941-DC Mobile Wireless Edge Router

Software Configuration Guide.

12.2(8)MC2 – –

2-Port Asynchronous/Synchronous

(WIC-2A/S)

12.2(15)MC1a – –