Loopback Adapter Tester Plug Serial DB25-F DB9-F (RS232) For Sale
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Loopback Adapter Tester Plug Serial DB25-F DB9-F (RS232)
Price: US $7.14
A dual-ended serial wrap plug used to test serial ports for operation.This particular wrap plug has both DB-25 and DB-9. A very nice addition to any tech's tool kit. These work great and can test additional wires besides just the send and recieve. DSUB 9 Female Connector DSUB 25 Female Connector WiringWired TogetherDB-25 port: 2-3, 4-5, 6-8-20-22.DB-9 port: 3-2, 7-8, 6-1-4-9.Originally Used with IBM PC Diagnostic Software. Used with Checkit Software. For a fast test install and use Terminal it should echo back.
