Dual FXO Module User Manual (Rev B)

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. This manual provides installation and operation instructions for the device.

Dual FXO Module User Manual (Rev B)

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