Portable Radio User Manual

61
Universal Connector
Pin Numbers and Signal
Assignments
Universal Connector
Option Select
(OPT SEL) Definition
FROM P402
RF GROUND
RF HOT
OPTION SELECT 1
EXTERNAL SPEAKER
EXTERNAL MICROPHONE
OPTION B+
OPTION SELECT 2
SPEAKER COMMON
REQUEST TO SEND
GROUND
BUSY
CLEAR TO SEND
TRANSMIT DATA
MODE CONTROL
DATA
1
2
FROM P403
1
2
3
5
7
9
11
13
4
6
8
10
12
MODE # MODE OPT SEL 1 OPT SEL 2 COMMENT
00 External PTT 0 0
01 External
Audio
0 1 External Speaker
10 Mandown 1 0
11 Normal
Operation
11
A MTVA Fixed Audio Output
Level
B“SMART”
SB9600
Accessory
Identifies SB9600
Accessory
CExternal RF
Modem/FAX
Enables AUX TX
and Discriminator
Audio Output