Apc Ups Serial Cable Pinout

My serial ports check out fine using a loopback connector and other serial devices but i don t know how to veriify that the ups serial port is working usb works fine.

Apc ups serial cable pinout. A smart ups will turn off if a standard serial cable is connected. The documented pinout looks like a simple null modem cable swapping the tx and rx pins. Apc serial cables will always have part number clearly marked on the connector end of the cable. Find your pinout in our database.

Ups communications cable smart signalling 15 4 5m db9 to rj45 ap940 1525a ups cables that provide dedicated connections between apc upss and desktops workstations and servers. Do not connect the serial cable if it is. Compatible with most apc upss that have a db9 serial port. I cannot get my sua 1500 to communicate with my win7 ultimate 64bit system and can t figure out why.

Having configured a number of smartupses with ap9606 in my time i do not remember ever having had the need for an apc proprietary serial cable. Pinout of apc smart ups cable and layout of 9 pin d sub male connector and 9 pin d sub female connectorapc part 940 0024c 940 0024b 940 0024d or 940 1524 black cable. The serial cable pinouts are proprietary. Apc part 940 0144a.

This is due to the proprietary pinout of apc smart ups serial cables. Always make sure a proper apc serial cable is being used. Compatible with most apc upss that have a db9 serial port. If the serial cable is anything other than an apc 940 0024 or a 940 0020 the ups will sense voltage on the wrong pins and power everything down.

Should work with apc powerchute or apcupsd ups server for linux. Apc smart ups db9 cable apc part 940 0024c 940 0024b 940 0024d or 940 1524 black cable. Pinout of apc rj12 serial cablerj12 to db9. Apc rack mount smart signalling db9 cable pinout apc usb cable schematic cable pinout.