ES2P Serial Cable pinout

1. Introduction
2. Purpose
3. Requirements
4. Procedure

Introduction 

This diagram shows the serial cable pin out wiring for RJ45-to-DB9 cable.

Purpose

This diagram can be used as reference in making your own RJ45-to-DB9 serial cable for your ES2P PDU.

Requirements

• DB9 connector (male or female) – This is the 9-pin connector for the serial port.
• RJ45 connector (male) – This is the 8-pin Ethernet connector used for the cable’s termination.
• Cat5e or Cat6 cable – This is the twisted pair cable used to connect the DB9 to RJ45. It needs to have 8 wires (typically four twisted pairs of wires inside).
• Crimping tool – For attaching the RJ45 connectors to the cable.
• Wire stripper – To strip the insulation off the wires.
• Soldering iron (optional) – If you want to solder the DB9 connector (some connectors may be soldered, but many are crimped).
• Multimeter (optional) – To test the cable once it’s assembled.

Procedure

Optionally if you prefer to make your own RJ45-to-DB9 Serial cable, the connections are wired as shown:

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