Tripp Lite SU3000RTXLCD2U Owner's Manual for SU3000RTXLCD2U UPS System 9332C3 - Page 9
Basic Connection and Start-Up
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Basic Connection and Start-Up Optional Connections Your UPS will function properly without these connections. 1 USB and RS-232 Serial Communications Use the included USB cable (see 1A ) and/or DB9 serial cable (see 1B ) 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. 1C 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 1A 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 3.8 seconds. 1B 1C 9 13-07-015-9332C3.indb 9 7/26/2013 11:16:14 AM