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The FXO+ Dual Voice (FXO+) option module is one of the option modules available for use with the ADTRAN TSU 100/120/600. The FXO+ module provides two 2-wire voice-grade interfaces serving as the loop termination for central office line current and ringing voltage.
Full V.34 modem compatible Detects and forwards far-end disconnect signals to ADTRAN FXS+ in FXS mode Two voice circuit connections to PBX or key system line (station) modules at distances up to 2,500 feet Extends phone lines to remote sites over T1/FT1 circuits Passes message waiting when used with the TSU Dual FXS Plus (MW) module Dial Pulse Terminate (DPT) mode emulates central office side of Direct Inward Dial (DID) trunk Transmission Levels: TX: +8 to 0 dB TLP, 1 dB steps RX: 0 to -8 dB TLP, 1 dB steps Frequency Response 300 to 3400 Hz (+/- 1.0 dB) 2-wire Impedance 600 & + 2.15 uF
FXO+ Dual Voice Module User Manual
TSU 100 TSU 120 TSU 600
Certifications & Standards
FCC Part 15 Class A
Configured from the front panel of the TSU 100/120/600 or by T-Watch Program
Extensive testing capabilities: RX and TX signal bit monitoring Busy, ringing, message-waiting, and 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
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