CES SUPPORT 407-679-9440
Page 9
MAN79 © CES 2009
Table 1. Radio and Auxiliary Interface (DB-15) male connector
2.7 Interconnect Interface Pinout
Pin
Function
Signal
Description
1
PTT
Input
-35 to 35 volts, switched @ 2.5v, 47k pull up to 12v
2
RX audio
Output
Interconnect receive audio
3
Mode
Input
-35 to 35 volts, switched @ 2.5v, 47k pull up to 12v
4
5
Ground
--------------
Interconnect ground
6
TX audio
Input
Interconnect transmit audio
7
TX disable
Input
Same as radio connector pin 4
8
COR
Output
COR and CTCSS logic, open collector, 47k pull up to 12v
9
12 volts
Output
Interconnect 12 volts, not reverse protected
Table 2
Interconnect interface (DB-9) female connector
2.8 Programming Interface Connector Pinout
Pin
Function
Signal
Description
1
N/A
2
Tip
3
Ring
4
N/A
Table 3
Programming connector (RJ11)
2.9 Jumpers
Jumper No.
Function
Description
Default
Position
JP1
Future enhancements
N/A
IN
--
JP2
CTCSS TX output
High Z
Low Z
OUT
OUT
IN
JP3
Future enhancements
N/A
OUT
--
JP4
RX audio input
High Z
Low Z
OUT
OUT
IN
JP5
TX audio output
High Z
Low Z
OUT
OUT
IN
JP6
CTCSS high pass filter
300 Hz high pass filter in
300 Hz high pass filter bypass
OUT
OUT
IN
JP7
CTCSS high pass filter
300 Hz high pass filter in
300 Hz high pass filter bypass
IN
IN
OUT
JP8
Voice audio delay (optional)
No audio voice installed
Audio voice installed
IN
IN
OUT
