42327
Rio
Nedo,
Suite
A
Temecula,
CA.
92590
951
‐
719
‐
3266
www.comtronixcommunications.com
Item
Function
1
DB
‐
25F
RPT
RX
Accessory
Interface
connector
(see
chart
below
for
functions)
2
DB
‐
25F
RPT
TX
Accessory
Interface
connector
(see
chart
below
for
functions)
3
Programming
Port
4
DC
Power
Connector
5
RADIO
AUX
I/O
6
DC
Power
Fuse
(30
A)
7
RF
RX
antenna
connector
8
RF
TX
Antenna
connector
DB
‐
25
F
Accessory
Interface
Connector
Functions
Chart
Pin
Name
I/O
Function
Pin
Name
I/O
Function
1
RSI
O
RSSI
OUTPUT
14
SB
O
SWITCHED
2
AI1
I
AUX
INPUT
1
15
RSV1
‐
RESERVED
3
AI2
I
AUX
INPUT
2
16
RSV2
‐
RESERVED
4
AI3
I
AUX
INPUT
3
17
AFO
O
LINE
LEVEL
RX
AUDIO
5
AI4
I
AUX
INPUT
4
18
E
‐
GROUND
6
AI5
I
AUX
INPUT
5
(EXT
PTT)
19
DEO
O
DETECTOR
OUT
7
E
‐
GROUND
20
AO1
O
AUX
OUT
1
‐
TOR
8
AO2
0
AUX
OUT
2
‐
COR
21
A03
O
AUX
OUT
3
9
TXD2
O
SER.
DATA
OUT
22
AO4
O
AUX
OUT
4
10
RXD2
I
SER
DATA
IN
23
SQ
O
SQUELCH
“L”
BUSY
11
TXS
O
HI
ON
TX
24
SPM
I
“L”
MUTE
SPK
12
MCM
I
LO
TO
MUTE
MIC
25
ME
‐
MIC
GROUND
13
MI/DI
I
MI=600
OHM
REM
MIC
IN
