Cisco 1601 - Router - EN Hardware Installation Manual page 117

Voice Interface Cards
Revised: 6/7/07, OL-12847-01
Overview
Voice network modules convert telephone voice signals into a form that can be transmitted over an IP
network, and have no connectors. Voice interface cards (VICs) provide the connection to the telephone
equipment or network.
This document describes Cisco voice interface cards and how to connect Cisco voice interface cards to
a network, and contains the following sections:
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Grounding Requirements for Voice Interface Cards
This section tells where to find instructions on how to properly ground voice interface cards on the
following platforms:
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Do not work on the system or connect or disconnect cables during periods of lightning activity.
Warning
Grounding Requirements for Voice Interface Cards, page 1
Foreign Exchange Station (FXS) Interface Cards, page 3
Foreign Exchange Office (FXO) Interface Cards, page 5
Receive and Transmit (E&M) Interface Cards, page 7
FXS, FXO, and E&M Interface Card LEDs, page 9
ISDN BRI Interface Cards, page 9
Analog Direct Inward Dial (DID) Interface Cards, page 13
Multiflex Trunk Interface Cards, page 15
Centralized Automated Message Accounting Trunk Protocol Interface Cards, page 18
Related Documentation, page 19
Cisco 1700 Series Routers
Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers
Cisco ICS 7750
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