Carrier Access SNMP manual Channel FXO & Dial Pulse Termination Card, Description of the FXO Card

Chapter 10

12-Channel FXO & Dial Pulse Termination Card

Contents of This Chapter:
About This Chapter	1
Description of the FXO Card	1
Termination Options	2
Foreign Exchange Office Termination	2
Dial Pulse Termination (DPT)	3
Channel Attenuation Options	4

10.1 About This Chapter

This chapter describes the 12-Channel Foreign Exchange Office (FXO) and Dial Pulse Termination (DPT) card used in the Access Bank II - SNMP, and provides information for configuring the card.

10.2 Description of the FXO Card

The FXO/DPT 12-channel analog card is an “office end” telephone line voice card designed specifi- cally as an interface for Carrier Access Corporation’s family of Access Bank II - SNMP T1 Voice and Data Multiplexers, which are FCC-approved digital Channel Banks and Channel Service Unit/ Data Service Units (CSU /DSUs) for attachment of customer premise telecommunications equipment to public network T1 (DS1) services. The FXO/DPT card provides an interface between the Tip/Ring pair and T1 line for each of the channels on the FXO/DPT to provide FXO and DPT operation.The “rear” end of the FXO/DPT card (opposite the connector to the LIU board in the front of the Access Bank) has 12-channel status LEDs and one 4-pin DIP switch used to select whether the card uses

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