Adtran TA-750-FXS

ADTRAN Foreign Exchange Subscriber (FXS) QUAD module is used in Adtran Total Access 750 integrated access device to provide analog voice extension.

The Quad (4-circuit-per-card) design ensures a maximum of only four analog circuits are affected when replacing an access module.

Features of the FXS-QUAD Include: Providing four analog voice interfaces per module (up to 24 ports), Supporting Loop Start (LS), Ground Start (GS), and Foreign Exchange Subscriber/Dial Pulse Originate (DPO), Private Line Automatic Ring down (PLAR), and Ground Start/Loop Start to Ear and Mouth (E&M) conversions (tandem) Modes.

In addition, it supports V.90 modems and fax machines and unbalanced ringer interfaces .Output ring voltage is 97 to 115 Vrms, 5 REN per port, and a 32 mA nominal look current.