Tripp Lite Power Supply owner manual Communications

Operation (Special Conditions) (continued)

OPERATION OF MANUAL BYPASS SWITCH

Turn this switch to “BYPASS” before performing any maintenance on the UPS with the connected load supported. Connected equipment will receive filtered AC mains power, but will not receive battery power in the event of a blackout.

SWITCHING UPS TO “BYPASS” MODE

•Press the “OFF” button.

•Turn the “Manual Bypass” Switch clockwise from NORMAL to BYPASS.

•Turn the Main Input Switch Circuit Breaker OFF.

SWITCHING UPS TO “NORMAL” MODE

•Turn the Main Input Switch Circuit Breaker ON.

•Turn the “Manual Bypass” Switch counterclockwise from BYPASS back to NORMAL.

•Press the “ON” button.

Communications

RS-232 INTERFACE

This female DB9 port connects your UPS via an RS-232 cable to a workstation or server equipped with Tripp Lite software. The port uses RS-232 communications to report UPS status and power conditions. Using this port, Tripp Lite software can monitor and manage network power and automatically save open files and shut down equipment during a blackout. Contact Tripp Lite Customer Support for information on available SNMP, network management and connectivity software and products.

RS-232 signals and operations include: load level, battery status, battery level, operation mode, AC input voltage, AC output voltage, AC input frequency, temperature inside unit, set shut-down delay time, enable/disable alarm and remote shutdown.

Hardware:		Pin assignment:
Baud Rate:	2400 BPS	Pin 2: TXD (Transmit Data)
Data Length:	8 bits	Pin 3:	RXD (Receive Data)
Stop Bit:	1 bit	Pin 5:	GND (Signal Ground)
Parity:	NONE

AS-400 INTERFACE

This female DB9 port connects your UPS to an IBM AS-400

computer via an AS-400 cable. The port uses AS-400 communications to report UPS status. It can be used to allow an AS-400 to automatically save open files and shut down its operating system during a blackout. AS-400 protocol includes: operation on inverter, operation on AC power supply, operation on battery and low battery alarm.

Pin assignment:

Pin 5:	Common
Pin 6:	Operation on AC power supply
Pin 7:	Low battery alarm
Pin 8:	Operation on inverter
Pin 9:	Operation on battery

AS-400 INTERFACE TABLE

	Pin 6,5	Pin 7,5	Pin 8,5	Pin 9,5
Battery	OFF	*	ON	ON
Low Battery	OFF	ON	ON	ON
Direct Mains Supply	ON	OFF	OFF	OFF
Inverter	OFF	*	ON	*

* Inactive: may be in either state.

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