Barrett 950 HF - Page 127

Pin Name Description of function Level
- Note 2
16 Ant 2 Channel no. output
Octal bit 2
17 External Alarm Out Horn / Latched alarm out (selcall Active low
18 13.8 V Int Out Interrupted 13.8 V for 910 Auto. 13.8V-0V /
Active Low
19 Ant 0 / Pre-amp on 910 pre-amp on / Channel number Active low
20 Aux. dig. input / Ext. Aux. dig. input / Ext. GPS Input Active low /
21 PTT / C-Mute Out PTT Out / Receiver Cross Mute Out Active low
22 CW Key Input from CW Key Low to activate
23 +13.8 V Fused Out +13.8V Output to power auxiliary 13.8V @ 2 Amp.
24 Bal. Tx Audio In Balanced external Tx audio input 600 Ohms 0dBm.
25 Bal. Rx Audio Out Balanced un-muted Rx audio output 600 Ohms 0dBm.
Note 1:- Pin 8 and Pin 20 - External GPS input is selected using a menu function or set
during programming when the software option required is fitted.
Note 2:- These outputs provide channel information for use with antenna select units such
as the BARRETT 916. The outputs are octal coded 0 to FF representing the
least significant digit of the channel number selected. i.e. octal 0 for channel 1,
octal 1 for channels 2, octal 3 for channels 2, to octal FF for channel 16.
Active low
/Ant 3 activated) / Ant 3
Antenna
output Octal bit 0
GPS in (with pin 8) NMEA 0183
equipment
(with pin 11)
(with pin 12)
- Note 2
- Note 2
BARRETT 950 HF TRANSCEIVER
PAGE 127