Codan 9780 - Antenna Control; Table 2-3: Antenna Control Connector (J202) Pin Function

General information
HF SSB Transceiver 9323/9360/9390/9780 Technical Service Manual 2-11
Table 2-2 cont.
Pin No. Function Signal Levels
10 0 V Ground
11 Tx A/F 250 mV threshold
10 kΩ I/P impedance
12 Rx DEMOD O/P 1.5 V PP
13 Rx A/F O/P Post Mute 1.5 V PP switched
14 INT I
2
C5 V logic
15 "A" Rail
+13.6 V nominal
Antenna control
Table 2 -3: Antenna Control connector (J202) pin function
Pin No. Function Signal Levels
1 Channel Number bit 4 Active low (Open Collector)
2 Channel Number bit 8 Active low (Open Collector)
3EXT
4 Tune In/Out 5 V logic, Active low
5 Scan Antenna Active low (Open Collector)
6 No Connection
7 No Connection
8
PTT Out +10 V 1 kΩ source, Active high
9 Channel Number bit 1 Active low (Open Collector)
10 Channel Number bit 2 Active low (Open Collector)
11 Tuned In 5 V logic, Active low
12 "A" Rail +13.6 V nominal
13 "A" Rail +13.6 V nominal
14 Ground 0 V
15 Ground 0 V