Barrett 950 HF - Auxiliary Connector

Auxiliary connector (25 pin female "D" connector on rear panel)
1 Ground Ground 0V
2 Rx Data RS-232 data input True RS-232
3 Tx Data RS-232 data output True RS-232
4 External Power On For use with Barrett 960 or ancillary Low to activate
5 External Speaker External speaker output 0-10V
6 Tuned In Antenna tune cycle complete input Low going pulse
7 RS-232 Gnd. RS-232 Ground 0V
8 ALC / Ext. GPS In Ext. ALC from Linear Amp / Ext. 0-10V / NMEA
9 Auxiliary PTT In Auxiliary PTT input Low to activate
PTT
10 Scan Stop Scanstop input from external modem Low to stop scan
11 Bal. Tx Audio In Balanced external Tx audio input 600 Ohms
0dBm.
12 Bal. Rx Audio Out Balanced un-muted Rx audio output 600 Ohms
0dBm.
13 Ground Ground 0V
14 Ant 0 / Pre-amp on Channel no. output Octal bit 0 / 910 Active low
15 Ant 1 Channel no. output Active low
Pin Name Description of function Level
equipment.
from 910 / 911
GPS Input (with pin 20) 0183
(with pin 24)
(with pin 25)
pre-amp on
Octal bit 1
- Note 2
- Note 2
BARRETT 950 HF TRANSCEIVER
PAGE 126