Instruction manual
Installation
025-9416 71
Miscellaneous Motorola Transmitter Interfaces
Figure 33 illustrates a direct connection to a colocated Nucleus NAC transmitter. The pin
numbers refer to the J17 and J15 inputs on the transmitter.
Model 640 RJ21
Radio Station Output
Motorola Nucleus Transmitter
Signal Inputs
ANA PTT NO (43) (J17-10) EXT KEY REQUEST
DIG DATA (42) (J15-3) EXT PAGING DATA
XMIT AUDIO LO (40) (J17-28) LINE IN 1-
ANA PTT COM (18)
GROUND (17) (J17-7) GROUND
XMIT AUDIO HI (15) (J17-3) LINE IN 1+
DIG MODE (14) (J17-35) EXT MODE REQUEST
Figure 33. Wiring Configuration for Colocated Nucleus Transmitter
Figure 34 illustrates a direct connection to a colocated Motorola Radius GM300 transmitter. The
pin numbers refer to the J3 accessories input on the transmitter.
Model 640 RJ21
Radio Station Output
Motorola GM300
Transmitter Signal
Inputs (J3)
DIG DATA (42) (5) FLAT TX AUDIO
XMIT AUDIO LO (40) (7) GROUND
AUX PTT COM (24)
GROUND (17)
AUX PTT NO (23) (3) PTT
XMIT AUDIO HI (15) (2) MIC AUDIO
Figure 34. Wiring Configuration for Colocated GM300 Transmitter