Pocket-Sized DB-9 Cable Tester

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  • Jameco Part no.: 2323151
  • Manufacturer: RS Electronics
  • Manufacturer no.: MODEL 51
  • HTS code: 9030390040
  • No datasheet available. Please review the tabs below for product specifications.
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DB-9 Pocket-Sized Cable Tester

The Patton Model 51 DB-9 PockeTester™ monitors the seven most important async EIA-574 (RS-232 on a DB-9) data and control lines. The Model 51 uses seven tri-state LEDs to indicate the presence of the following signals: TD, RD, DTR, DSR, RTS, CTS and DCD. A red light = Mark, a green light = Space and no light indicates no signal on the line. No AC power or batteries required.


  • Seven LEDs Monitor RS-232 Signals
  • All 9 Pins are Wired Straight Through
  • Bright LEDs Have Great Color Intensity and a Wide Viewing Angle
  • Data Bias can be Inferred from the Intensity of the Colors
  • 1 Male & 1 Female DB-9 Connector
  • Made in the USA: This Patton equipment is designed by Patton engineers and built in our Gaithersburg, Maryland facility. Patton's American-made manufacturing process delivers high-quality networking solutions with reliability you can trust.

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