COLT COMMUNICATIONS CO.
model(s) wire color pin number
290

800

100

480

485

390

1200
Audio 1
Ground 2
PTT 4
receive 3
   
model(s) wire color pin number
900

hi-z(use an amplified mic only)

Audio 1
Ground 4
PTT 2
receive N/C
model(s) wire color pin number
350 Audio 4
Ground 2
PTT 5
receive 1
model(s) wire color pin number
220

Z

Audio 1
Ground 4
PTT 2
receive 5
model(s) wire color pin number
222

210

Audio 1
Ground 4
PTT 2
receive 5