ADTRAN 1175408L1 Instrukcja Użytkownika Pobierz pdf (Strona 10)

Chapter 1. Introduction

1-2 Octal FXS Voice Module User Manual 61175408L1

Functional Description

The Quad FXS Voice Module installs in any available option slot in the TA

850 chassis. You can view the status of the module itself, as well as the

circuitstowhich itinterfaces,fromtheTA 850frontpanel.Additionalstatus

information is available via the terminal menus, accessible through either a

VT-100 terminal connected to theTA 850control port or via aTelnet session

established through the Base Unit’s Ethernet port.

Features

Features of the Quad FXS Voice Module are listed here:

•Fourvoiceports

• Automatic short loop provisioning

• µ-law encoding and decoding

• Support for ground start, loop start, and TR-08 signaling

• Longloopcapability--1200ohmsincludingtelephoneset(16kfeet@24

AWG)

• Hot-swappable

•V.90Modemcompliant

• Support for CLASS



features such as Caller ID

• Transmit attenuation setting of 0 to -9 dB

• Receive attenuation setting of 0 to -9 dB

•Selectable600 ohm, 900 ohm, 600 ohm + 2.16µF, or 900 ohm + 2.16µF

2-wire VF interface

• NEBS Level 3 and UL 1950 compliant

• Extended temperature range of -40 to +65 °C

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ADTRAN 1175408L1 Instrukcja Użytkownika Strona 10