Specifications

64 - Connecting Serial Devices DeviceMaster Installation and Configuration Guide: 2000506 Rev. B
Serial Terminal (4) Straight-Through Cables (RS-232/485)
Serial Terminal (4)
Straight-Through
Cables (RS-232/485)
RS-232 or RS-485 straight-through cables are used to connect modems and other DCE
devices.
1E Loopback Signals Use this drawing to wire a loopback, which is used in
conjunction with application software (Test Terminal or
minicom) to test serial ports.
See the NS-Link User Guide for Windows
about using
Test Terminal or Using minicom to Test Comtrol Ports
to test the serial ports. Optionally, this information is on
the Software and Documentation CD shipped with the
product.
Wire the terminals together to create a loopback.
•TxD to RxD
•RTS to CTS
RTS RxDTxD CTS
RTS RxDTxD CTS
3728
2435
DB9
DB25
or
TRxD-
or
TRxD+
RS-232/422 Straight-Through Cable
TxD RxDRTS CTS