UPS devices  > APC pinouts
Should work with APC UPSs that use the following cables: APC Part# 940-0024C, # 940-0024D or 940-1524(black cable) This is to plug a Cisco console (rollover) cable into.


Signal Name
DB-9 Male
(UPS end)
RJ45 Female
(Adapter end)
Signal Name
TX 2 3 Rx, Received Data
RX 1 6 Tx, Transmitted Data
Common 9 4 GND

Might be needed in some cases: pins 8,1 (RTS, CTS) shorted.


Terminal Set Up:

2400 baud

8 bit no parity

1 stop

no handshake

9 pin D-SUB male connector layout
9 pin D-SUB male connector
at the UPS
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