TS4000 Radio Modem User’s Manual
Appendix A - Serial Ports
77
Appendix A - Serial Ports
Connector
Standard Case
The standard case uses a DE-9 subminiature 9 pin D connector with female pins
for each serial port.
Pin Signal
Direction Notes
1
Data Carrier Detect (DCD)
Output
2 Receive Data (RD)
Output
3
Transmit Data (TD)
Input
4
Data Terminal Ready (DTR)
Alt) Modem Power
Input
Input
[1] [2]
5
Signal Ground (SG)
--
6
Data Set Ready (DSR)
Alt) Always in high state
Output
Output
[1] [3]
7
Request to Send (RTS)
Input
8
Clear to Send (CTS)
Output
9 Not
Connected
Alt) Data Set Ready (DSR)
Alt) Modem Power
--
Output
Input
[1] [4]
Serial Port 1 Pinout
Pin Signal
Direction Notes
1
Data Carrier Detect (DCD)
Output
2 Receive Data (RD)
Output
3
Transmit Data (TD)
Input
4
Data Terminal Ready (DTR)
Input
5
Signal Ground (SG)
--
6
Data Set Ready (DSR)
Alt) Always in high state
Output
Output
[1] [3]
7
Request to Send (RTS)
Input
8
Clear to Send (CTS)
Output
9 Not
Connected
Alt) Data Set Ready (DSR)
Alt) Modem Power
--
Output
Input
[1] [4]
Serial Port 2 Pinout
Connector
Watertight Case
The watertight case uses a single 19 pin LEMO HCG.2B.319 connector with
female pins. The recommended mating plug for this connector is a LEMO
FGG.2B.319 series cable mounted connector.
Pin Port Signal
Direction Notes
1
2
Signal Ground (SG)
--
2 2
Data Terminal Ready (DTR)
Input
3
2
Transmit Data (TD)
Input
4
2
Receive Data (RD)
Output
5
2
Data Carrier Detect (DCD)
Output
6
1
Signal Ground (SG)
--
7
1
Data Terminal Ready (DTR)
Input
[5]
8
1
Transmit Data (TD)
Input
Pinout
