RS232 Port Logger Software Our RS232 software allows to capture, log, analyze rs232 data from RS232 ports.
RS232 Port Monitor Software Our RS232 port monitor software allows to capture, analyze and debug rs232 data from RS232 ports. This software can work with ASCII, HEX or binary data

Serial (RS232) modem cable (DB25-DB25). Pinout and signals for building a Two-wire serial (RS232) modem cable.

This cable should be used for DTE to DCE (for instance computer to modem) connections without hardware handshaking.

D25 pin D-SUB female to the PC
DB25 pin D-SUB female to the PC
DB25 pin D-SUB male to the modem
DB25 pin D-SUB male to the modem

Female Male Direction
Shield Ground
1
1
Transmit Data
2
2
—»
Receive Data
3
3
«—
System Ground
7
7
Jumper these:
Request to Send
4
—»
Clear to Send
5
«—
Data Set Ready
6
«—
Carrier Detect
8
«—
Data Terminal Ready
20
—»
Request to Send
4
—»
Clear to Send
5
«—
Data Set Ready
6
«—
Carrier Detect
8
«—
Data Terminal Ready
20
—»