I assumed it was licenced software. Hit the reset button, and the reattempted the previous step. Then, turn off the UPS and unplug it. Choose a location discussion: This is the C model: We need to get the USB to serial adapter installed first and make sure its recognized before we go further.

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Note that given that it’s RS, it’s unlikely that you’d break anything if you got it wrong anyway – is pretty robust. Page 1 of 1 19 items. The documented pinout looks like a simple null-modem cable swapping the TX and RX pins: What dya know – I found it in our server room sitting i a box amongst other bits!

I have installed the Prolific to USB serial currently using com port 6. By clicking “Post Your Answer”, you serixl that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

It looks from there like the ground is run to the shell instead of pin 5 on the UPS side, but I bet if you used a bog standard DB9-DB9 male to serjal straight through it would work.


Hmmmmm, i still cannot seem to establish a connection? Now smart signalling should work. Alternatively, you can leave the battery disconnected for minutes and it will happen as well. Steps attempted thus far: Then, turn off the UPS and unplug it.

APC USB to Serial Db9 Rs-232 Smart Signaling Cable 940-0272

Hit the reset button, and the reattempted the previous step. First, not sure if this sart belongs here or SU, so please advice accordingly before wildly down-voting or blasting me.

I need to test using a laptop with serial port connection i imagine. I don’t have any way of telling if the card is just s,art bad, or if I really have to attempt the serial as these instructions. The UPS unit uses an AP network card, but also has what looks to be a serial port for terminal use putty is awesome.

APC USB to Serial Db9 Rs Smart Signaling Cable | eBay

Post as sugnaling guest Name. Michael Kohne 1, 1 13 It all fails miserably! It should’ve been included in your lit kit with the UPS. Shouls i use the USB to serial cable afterwards then? As to finding a serial port, put out a couple of dollars for a serial-USB adapter and plug it into a nearby server or your laptop to gain control.


This is the C model: The only thing that seperates me from the UPS unit is 48p switch, so there shouldn’t be any network filtering within the same subnet. Upon launching Powerchute business edition 8.

StruxureWare for Data Centers. And instead of using a PC with a serial port, I would advise simply getting one of the PLbased USB-to-serial adapter cables – they work well for managing serial console stuff with nearly every OS released within the last 10 years.

Interface Cables – APC USA

This A is just a USB to serial adapter and does not do any of the signaling – just converting. You can also verify everything still shows in Device Manager. Email Required, but never shown. Here is the rear of the UPS: Sign up or log in Sign up using Google.

I assumed it was licenced software. I am NOT familiar with the latter. Not sure if you want to use that instead of 8. Let me know what happens there.

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