User manual

Chapter 1. Introduction
2 FXS+ Dual Voice Option Module 61200.080L1-1
Functional Description
The FXS+ is designed to fit in the option slot of the TSU
100/600 and is subject to its operation and control. The
FXS+ is configured from the front panel of the TSU 100/
600 or by an external personal computer (PC) program.
The internal menus for its configuration are a part of the
FXS+ module and are automatically installed when the
FXS+ is plugged into the unit.
Features
The FXS+ Dual Voice option module has the following
features:
• Each 2-wire port operates at 64 kbps (1 DS0)
• Supports loop resistances to 1200 Ω
• Menu configurable TX and RX levels
• FXS, PLAR, and Tandem operating modes
• Ground Start or Loop Start signaling
• Supports analog message-waiting light when used with
ADTRAN FXO+
• Wink or Immediate Supervision in Tandem mode
• Integral ringback and dial tone generation
• Integral 20 Hz ring generator
• Extensive testing capabilities
- Rx and Tx signal bit monitoring
- Busy & Ringing status monitoring
- Integral 1 kHz tone generation sends test tone
towards near or far end
- Manual control of TX A and B signal bits
- Manual control of 2-wire interface supervision
output