Maxon TM-2102 - Terminal Description

6. Terminal Description
D-SUB 15 Pin Connector
Description
DC Power Output
Ignition Signal Input
Low Speed Data
Loudspeaker Output
Audio Output
Audio Input
TX Serial Data
RX Serial Data
External PTT
IF IC Output
Squelch Output
Programmable
DC Power Supply
Horn Alert Signal Output
Horn Aler t Signal Output
Ground
Pin Name
RX Signal Strength
IGN
LSP
EXT_SPK
AF_OUT
EXT_MIC
TXD/FCN1
RXD/FCN2
EXT_PTT
F_AUDIO
COR/COS
EXT/INPUT
DC+5V
HR1
HR2
GND
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
I/O
O
I
O
O
I
O
I
I/O
O
O
I/O
O
O
O
-
RemarkSpecification
0.6~1.4V
Power ON :
8V
Power OFF :
6V
R79 is selection
R12 is selection
4
4Watt
500mV
5k
3.3V TTL
3.3V TTL
3.3V(H) : PTT OFF
0V(L) : PTT ON
100mV
S.Q ON : 3.3V
S.Q OFF : 0V
High Impedance
DC+5V Max 100mA
Max 3A
Max 3A
Ground
After
PCB Version
XM1-R5
XM2-R3
XM4-R7
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