ProSoft Technology 5202-DFNT-MCM4 User Manual
Page 42
MCM ♦ ProLinx Gateway
Communication Port Cables
Modbus Master/Slave
Driver Manual
Page 42 of 80
ProSoft Technology, Inc.
October 16, 2009
5.1
Port 0, 1, 2, 3: RS-232 - Null Modem (DTE with Hardware
Handshaking)
This type of connection is used when the device connected to the gateway
requires hardware handshaking (control and monitoring of modem signal lines;
Use CTS (page 22) parameter set to Y
ES
).
5.2
Port 0, 1, 2, 3: RS-232 - Null Modem (DTE without Hardware
Handshaking)
This type of connection can be used to connect the gateway to a computer or
field device communication port.
Note: If the port is configured with the Use CTS (page 22) set to Y
ES
, then a jumper is required
between the RTS and the CTS line on the gateway connection.