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Asked: 2021-11-02 22:42:46 +0800 CST

Connecting an APC RackPDU directly to a Lantronix terminal server

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I have an APC Rack PDU (AP7920) and a Lantronix ETS16P RS232 terminal server. I would like to connect the RackPDU directly to the Lantronix. The RackPDU has a serial RJ12 connector and the Lantronix a serial RJ45 connector. I found pinouts for RackPDU and Lantronix.

This is the connection I came up with:

enter image description here

However, after crimping the cable, the connection did not work (regardless how much I was typing in the Lantronix, there was no response from the APC).

Is this the right connection? Do I miss anything?

Are the TX- and RX- indeed GND?

terminal-server rack serial power-distribution-unit apc

0 Answers