Cisco CISCO1602-CH Hardware Installation Guide - Page 117
Voice Interface Cards, Overview, Grounding Requirements for Voice Interface Cards
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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: • 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 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: • Cisco 1700 Series Routers • Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers • Cisco ICS 7750 Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. OL-12847-01 1