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CB-EL1 DB9 to RJ45 Adapter

Written by Michael Cone

Updated at January 26th, 2026

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Table of Contents

Breakout Tester

This adapter converts the CB-EL11 RJ45 port to a female serial port.

For example, this adapter is used in Benderlink modules to connect the CB-EL1 board to the QUATECH or MOXA serial device servers.

Breakout Tester

Use a breakout tester for continuity checks like this:

connector adapter

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Related Articles

  • Cable Spec 1 - RJ-45 to DB9 Female - "ST" or Straight Through adapter for all applications except for the CB-EL1 board
  • Cable Spec 2 - RJ-45 to DB 9 Female - "CO" or Cross Over adapter for all applications except for the CB-EL1 board
  • Cable Spec 35 - CB-EL1 RS232 RJ45 to DB9 Female

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