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The DSE-410D has two DB-9 male connectors.
DSE-410D Port 1 - Multi-Interface, dip-switch selectable RS-232, RS-422,
or RS-485
DSE-410D Port 2 - RS-232 only
RS-232 Connections
In the RS-232 mode, the ports are configured as DTE (Data Terminal Equipment),
like a computer.
DTE Device (Computer or DSE-410D)
When connecting to a PC or another DTE device, use a null modem crossover cable.
When connecting to a DCE device that can normally be plugged into a PC, use a
straight through cable. Set Flow Control to None for 3-wire RS-232.
Refer to Appendix B for DB9 to DB25 Conversion Cables.
Document Number: 940-0186-100 – DSE-410D Owner’s Manual 11
Quatech, Inc. - 5675 Hudson Industrial Parkway, Hudson, OH 44236 – 330.655.9000
http://www.quatech.com