Zyxel-communications Multi-service Access Platform MSAP2000 Instrukcja Użytkownika Pobierz pdf (Strona 153)

7. Product Specification

MSAP2000 Technical Manual V3.0 7-46

7.17. Foreign Exchange Station Module (FXS)

Overview

The Foreign Exchange Station Module (FXS) provides 16 channels

of analog voice interfaces for connection to subscriber devices, such

as telephones, fax machines, and analog Modems.

FXS channels provide functions such as RING voltage relay, HOOK

detection, DC current feedings, test relays and line protection.

Features

And

Benefits



Panel LEDS indicate status, faults, alarms, and network

connections.



Loop status detection and Signaling exchange



A-law or u-law compounding



Application of advanced DAA (Data Access Arrangement) design



Alarm and Fault monitoring and reporting



Timeslot assignment for Voice Services



Use of non-volatile memory devices for performance data storage

Function Diagram

Application

FXS is used to provide the subscriber’s POTS interface. It can used

for configurations of DLC for 2W, V5 AN and VoIP.

OIM/

SM1/

SM4

FXS

MLTM

MPM

Test Bus

OIM/

SM1/

SM4

FXO

MLTM

MPM

PSTN Switch

Test Bus

1 2 ... 148 149 150 151 152 153 154 155 156 157 158 ... 242 243

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