D-Subminiature Loopbacks: DB9,DB25,Testing/Diagnosing Datacom Products,L-com.com

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L-com stocks DB9 and DB25 D-sub loopback testers for testing and diagnosing data communication products. In addition to standard form factor loopbacks we also offer a slim line series of D-sub loopback testers for confined space applications.

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Parallel Loopback Tester - Emulates a Parallel Device for Your Testing Needs, DB25 Male Connector
Description: This handy loopback tester is equipped with a DB25 male connector to interface with any PC parallel port. Useful for diagnosing problems with parallel interfaces. All stock items ship same day.

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Slimline Loopback Test Plugs - Emulate Working Conditions for Your Testing Needs
Description: These slimline loopback testers can help diagnose problems with serial or parallel interfaces. Three options to plug into your PC port - DB25male, DB25 female and DB9 female. All stock items ship same day.

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Serial Loopback Tester - Creates Handshaking for DB25 or DB9 Serial Ports
Description: This handy loopback tester comes complete with DB9 and DB25 female connectors to interface with any PC serial port. Useful for diagnosing problems with serial interfaces. All stock items ship same day.

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