User's Manual

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HARDWARE DETAILS
PIN DESCRIPTION
A Audio Ground
B Audio Input (microphone)
C Audio Push-To-Talk
D Audio Output (speaker)
E RS-232 Wave Relay
®
Tx/Dev Rx
F RS-232 Wave Relay
®
Rx/Dev Tx
or
+5 V Accessory Power
NOTE
The PTT Audio connections on the Quad
Radio Router and the MPU4 are NOT wired
identically.
CONNECTOR INFORMATION
•NATO U-283/U Standard Wiring for PTT
Devices
•IP67 Rated
WHAT TO CONNECT
WR-ACC-067, WR-ACC-079
PTT AUDIO = QUAD RADIO ROUTER