Tripp Lite SU750RTXLCD2U Owner's Manual download pdf (Page 11)

Your model may differ.

Basic Connection and Start-Up

Optional Connections

Your UPS will function properly without these connections.

Phone Line or Phone/Network Line Surge Suppression

Your UPS has jacks which protect against surges on a phone

line. Select models feature jacks which also protect against

surges on a network line.* Using appropriate telephone or

network cords connect your wall jack to the UPS jack marked

“IN.” Connect your equipment to the UPS jack marked “OUT.”

MakesuretheequipmentyouconnecttotheUPS'sjacksisalso

protected against surges on the AC line.

* Not compatible with PoE (Power Over Ethernet) applications.

Note: Use the same type of connector for the phone line surge suppression input

and output ports.

USB and RS-232 Serial Communications

Use the included USB cable (see

) and/or DB9 serial cable

(see

) to connect the communication port of your computer

to the communication port of your UPS. Install on your

computer the Tripp Lite PowerAlert Software appropriate to your

computer'soperatingsystem.YourUPSmayfeatureadditional

communicationsports;theseportsmaybeconnectedto

additional computers that have PowerAlert Software installed.

Consult your PowerAlert manual for more information.

Dry contact communications are simple, but some

knowledge of electronics is necessary to configure them. The

DB9 port’s pin assignments are shown in the diagram. If the

UPS battery is low, the UPS sends a signal by bridging pins 1

and 5. If utility power fails, the UPS sends a signal by bridging

pins 8 and 5. To shut the UPS down remotely, short pin 3 to

pin 9 for at least 60 seconds.

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Tripp Lite SU750RTXLCD2U Owner's Manual Page 11