User`s manual

December 2003
C-2 Serial Connections
If you wish to construct a suitable cable, use the information in
Table C-2 to make the RS232 pin connections.
Table C-2: RS232 Connection to DCE or DTE Device
PT868 RS232
Connector Pin
Number
DCE Device
DB25
Connector
Pin Number
DTE Device
DB25
Connector
Pin Number
DTE Device
DB25
Connector
Pin Number
1
(RTN)- Return
7 75
2
(TX) - Transmit
233
3
(RX) - Receive
322
4
(DTR) - Data
Terminal Ready
20 5 4
5
(CTS) - Clear to
Send
5 208