ProSoft Technology 5202-DFNT-DFCM4 User Manual
Page 23

DFCM ♦ ProLinx Gateway
Communication Port Cables
DF1 Master/Slave
Driver Manual
ProSoft Technology, Inc.
Page 23 of 88
October 15, 2010
4.1.2 Port 0, 1, 2, 3: RS-232 - Null Modem (DTE without Hardware
Handshaking)
This type of connection can be used to connect the module to a computer or field
device communication port.
Note: If the port is configured with the Use CTS (page 34) set to Y
ES
, then a jumper is required
between the RTS and the CTS line on the module connection.
4.1.3 Port 0, 1, 2, 3: RS-232 - DTE to DCE Modem Connection
This type of connection is required between the module and a modem or other
communication device.
The Use CTS Line (page 34) parameter for the port configuration should be set
to Y
ES
for most modem applications.