Apc UPS control system Manuale Utente Scaricare il pdf (Pagina 148)

940-0095B Cable Wiring:

This diagram is for informational purposes and may not be complete, we

don’t recommend that use it to build one yourself.

APC Part# - 940-0095B

Signal Computer UPS

DB9F DB9M

DTR 4 ----*

CTS 8 ----|

DSR 6 ----|

DCD 1 ----*

GND 5 ---------------*---- 4 Ground

*---- 9 Common

RI 9 ----*

RxD 2 ----*--------------- 2 On Battery

TxD 3 ----------[####]---- 1 Kill UPS Power

4.7K ohm

940-0119A Cable Wiring:

This diagram is for informational purposes and may not be complete, we

don’t recommend that use it to build you build one yourself. This cable is

used with the BackUPS Oﬃce UPSes.

APC Part# - 940-0119A

UPS Computer

pins pins Signal Signal meaning

1 (brown) 4,6 DSR DTR <- Shutdown when set by computer for 1-5 seconds.

2 (black) 8,9 RI CTS -> On battery power

3 (blue) 1,2 CD RxD -> Low battery

4 (red) 5 Ground

5 (yellow) 7 RTS <- Begin signalling on other pins

6 (none) none

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Apc UPS control system Manuale Utente Pagina 148