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Pin #
Label
1
N/C
20
RS232 RTS
2
RS232 CTS
21
IF-FIF
3
IF IN
22
FIF IN
4
RS-TTL OUT
23
FILTER OUT
5
CI-V IN
24
RS232 IN
6
CI-V OUT
25
RS232 OUT
7
FIF OUT
26
IF OUT
8
FILTER IN
27
PTT1
9
PTT2
28
CW OUT
10
PULL UP
29
FSK OUT
11
FSW IN
30
MIC #1
12
MIC #2
31
MIC #3
13
MIC #4
32
MIC #5
14
MIC #6
33
MIC #7
15
MIC #8
34
MIC GND
16
MIC
35
RADIO MIC IN GND
17
RADIO MIC IN
36
RADIO AF IN GND
18
RADIO AF IN
37
RADIO AF OUT GND
19
RADIO AF OUT
SHELL
GND
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APPENDIX A – CONNECTORS
RADIO 1, RADIO 2 - DB37
Description
No contact
RS232 radio port RTS output
RS232 radio port CTS input
iface matrix - used for configuring desired levels for radio control interface
iface matrix - used for configuring desired levels for radio control interface
iface matrix - used for configuring desired levels for radio control interface
iface matrix - used for configuring desired levels for radio control interface
iface matrix - used for configuring desired levels for radio control interface
iface matrix - used for configuring desired levels for radio control interface
iface matrix - used for configuring desired levels for radio control interface
CI-V bus output "open collector"
RS232 TXD output
FIF-232 TXD output "TTL"
IF-232 TXD output "TTL"
RXD input for all interfaces
PTT1 output "open collector" generally used as all mode front panel MIC PTT
PTT2 output "open collector" generally used as rear panel digital modes PTT
CW output "open collector"
+5V through a 10K resistor
FSK output "open collector"
Hand Mic PTT input, N/A at RADIO2
RJ45 Microphone jack pin #1, N/A at RADIO2
RJ45 Microphone jack pin #2, N/A at RADIO2
RJ45 Microphone jack pin #3, N/A at RADIO2
RJ45 Microphone jack pin #4, N/A at RADIO2
RJ45 Microphone jack pin #5, N/A at RADIO2
RJ45 Microphone jack pin #6, N/A at RADIO2
RJ45 Microphone jack pin #7, N/A at RADIO2
RJ45 Microphone jack pin #8, N/A at RADIO2
Microphone ground, N/A at RADIO2
Microphone signal, N/A at RADIO2
Radio MIC ground
Radio MIC signal
Radio AUDIO input ground
Radio AUDIO input signal
Radio AUDIO output ground
Radio AUDIO output signal
Radio and power GND
75
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