Apc Ups Serial Cable Pinout

The documented pinout looks like a simple null modem cable swapping the tx and rx pins.

Apc ups serial cable pinout.

Do not connect the serial cable if it is. Apc serial cables will always have part number clearly marked on the connector end of the cable. Pinout of apc rj12 serial cablerj12 to db9. Apc smart ups db9 cable apc part 940 0024c 940 0024b 940 0024d or 940 1524 black cable.

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. 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. Should work with apc powerchute or apcupsd ups server for linux. Compatible with rack pdu ap78xx ap79xx ap86xx ap88xx ap89xx and 2g rack automatic transfer switches ap7752 ap7752 ap7730 ap7732 ap7721 ap7723.

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. This is due to the proprietary pinout of apc smart ups serial cables. Apc part 940 0144a. Apc rack mount smart signalling db9 cable pinout apc usb cable schematic cable pinout.

Compatible with most apc upss that have a db9 serial port. Always make sure a proper apc serial cable is being used. Should work with apc powerchute or apcupsd ups server for linux. The serial cable pinouts are proprietary.

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. Find your pinout in our database. 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. Pinout of apc usb cable schematic and layout of 10 pin rj50 10p10c male connector and 4 pin usb a or usb b plug connectorapc part 940 0127b 940 127c and 940 0127e.