Campbell Scientific COM310 Voice Communications Modem - Manual (Page 43)

E-1
Appendix E. CS I/O 9 Pin Serial Port
The COM310’s CS I/O port is not a standard RS-232
connection.
Pin Description
The COM310 modem connects to the datalogger using an SC12 cable
connected to the datalogger’s CS I/O port. The COM310’s connector
configuration is shown in Figure E-1. Table E-1 shows the I/O pin
configuration, and gives a brief description of the function of each pin.
CS I/O
FIGURE E-1. COM310’s Male 9 Pin Connector
NOTE