150
BARRETT 4050 HF SDR TRANSCEIVER - OPERATING AND INSTALLATION MANUAL
Pin
Name
Description of Function
Level
9
PTT In
Auxiliary PTT input
Active low 0 V
10
Aux dig in 1
Scan stop input from exter-
nal modem
Active low 0 V
11
Bal. Tx Audio In
Balanced Tx audio input
(with pin 24)
G%PWR
0 dBm
12
Bal. Rx Audio Out
Balanced Rx audio output
(with pin 25)
G%PWR
+9 dBm
13
Ground
Ground
0 V
14
Reserved
15
Reserved
16
Reserved
17
Reserved
18
Aux dig out 4
Selcall alarm
Active low 0 V
19
Aux dig out 5
Audio mute state
Active low 0 V
20
Reserved
21
PTT / C-Mute
PTT Out / Receiver Cross
Mute
Active low 0 V
22
Reserved
23
+13.8 V Fused Out +13.8 V Output to power
auxiliary equipment
13.8 V @ 2 amp
24
Bal. Tx Audio In
Balanced Tx audio input
(with pin 11)
G%PWR
0 dBm
25
Bal. Rx Audio Out
Balanced Rx audio output
(with pin 12)
G%PWR
+9 dBm
Note: Balanced Rx audio out on Pin 25 and Pin 12 can be un-muted or follow the
DXGLRPXWHGHSHQGLQJRQWKHFRQÀJXUDWLRQLQWKHSURWHFWHGPHQX,2VHFWLRQ
Содержание 4050 HF SDR
Страница 218: ......