Delta 3KVA User Manual page 17

Turn on the equipment connected to the UPS.
Caution: Do not connect a laser printer to the UPS.
Caution: Do not connect the UPS from genertor.
5. Connecting the RS-232/Dry contact
Connect the interface signal cable between the RS-232/Dry contact port on the rear
panel of UPS and COM1 or COM2 of computer if necessary.
The D-sub 9 connector can work as a Dry contact or RS-232 communication port
depending on the type of cable and software used. Refer to section 8 for more
information.
Fig 3-4.1 UPS Connection for 700VA or 1KVA:
(1) RS-232/Dry contact cable. (2) Provides power to PC. (3) Connected to utility power.
!
(1)
(2)
(3)
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