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Transition Networks SDSFE31xx-100 Industrial Device Server
24-Hour Technical Support: 1-800-260-1312 International: 00-1-952-941-7600
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Connecting DB-9 cable
DB-9 cable
configuration
Depending on the equipment type, data terminal equipment (DTE) or data
communication equipment (DCE), use a null modem (crossover) or straight-through
cable. See Figure 13.
Figure 12: Straight Through and Crossover Cables
Note: The Device Server is configured as a DTE Device. See Cable Specification
Section for DB-9 cable pinouts.
DB-9 cable
installation
To connect the DB-9 (RS-232) cable to the Device Server and other equipment, do
the following:
Step Action
1. Insert one end of the RS-232 cable into the Device Server.
2. Tighten the screws to secure the cable.
3. Repeat Steps 1 and 2 for the other equipment. See Figure 12.
4. Test the connection by sending a link pulse to the Device Server and the
ACT LED will flash, indicating a good connection.
Figure 13: DB-9 Cable Installation