C-5000 COMMUNICATION MANAGEMENT CONTROLLER
INSTALLATION MANUAL
Page 4-16 Publication No. 150-041118
Section 4 – Electrical Installation Rev A
Sep 2001
(29) UNSQL MN RCV AUDIO (Pin 31)
(30) Spare (Pin 32)
(31) TX (Pin 33)
Grounding activates transmit.
(32) In Spare No. 3 (Pin 34)
(33) Spare (Pin 35)
(34) In Spare No. 2 (Pin 36)
(35) Control Ground (Pin 37)
Loss of this ground may disable the RT-5000 or cause intermittent function.