A set of products designed to support system integration in compliance with PTT interface standards.
PTT Interface Unit MR-1004
Interfaces and adjusts audio levels and allows transmission of 8 PTT signals and 8 PTT back signals over a single 4-wire telephone pair.
Designed for connection over a radio link and/or transmission lines.
Based on modular construction, it is configured as a 3U 19” standard
rack containing Rx and Tx interfaces for 8 transmitters.
Interfaces the transmission and reception audio levels and allows transmission of
8 PTT signals and 8 PTT back signals over a 4-wire telephone pair.
The redundant power supply system and 19” standard rack architecture allow
insertion of cards for up to 8 transmitters.