ADTRAN 1202300L1, User Manual

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Chapter 1. Introduction
1-2 FXS+ Quad Voice Option Module User Manual 61202300L1-1
Functional Description
• The FXS+ is designed to fit in the option slot of the
TSU 100/120/600 and is subject to its operation and
control.
• The FXS+ is configured from the front panel of the
TSU 100/120/600 or by an external personal comput-
er (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+ option module has the following features:
• Each 2-wire port operates at 64 kbps (1 DS0)
• Supports loop resistances to 500
Ω
• Menu configurable Tx and Rx levels
• FXS, PLAR, Tandem, Single Party, and Universal
Voice Grade operating modes
• Ground Start or Loop Start signalling
• Wink or Immediate Supervision in Tandem mode
• Wink delay for ANI/DNIS services
• Integral ringback and dial-tone generation
• Integral sinusoidal 20 Hz ring generation
• Extensive testing capabilities, such as:
- Rx and Tx signal bit monitoring
- SLC96 Status monitoring
- Busy and Ringing status monitoring
- Integral 1 kHz tone generation sends test tone
toward near or far end
- Manual control of Tx A and Tx B signal bits
- Manual control of 2-wire interface supervision out-
put
• Selectable response during carrier failure