SMT3000i firnmware upgrade

[Anonymous user]

I've got an older SMT3000i Smart-UPS that I'm trying to firmware upgrade. When I run the firmware upgrade wizard, I'm informed that an upgrade using the usb-cable can't be performed and I need to connect a serial cable. 

At the back of the unit all I can find is the usb port, an RJ-45 console port and some sort of 4pin remote management connector. No serial port. 

Product: Smart-UPS 3000 FW:COM 02.1 / UPS.05.I

What do I do next?

[BillP]

Hello Gary,

The RJ-45 port is how you connect serially to the UPS (confusing I know). The cable looks like the one in this link:

http://www.apc.com/shop/us/en/products/UPS-Communications-Cable-Smart-Signalling-6-2m-DB9-to-RJ45/P-...

[Anonymous user]

I actually found that cable just lying around and connected it to the RJ-45 port. The UPS just died as soon as i connected the DB-9 to my Serial to USB converter. What's up with that? 

On the display it said something like remote turn of signal received.

[BillP · Accepted solution]

Can you verify the part number on the DB9 end of the cable? It's likely that this was not the proper cable.