6.Communications

6.1RS-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 at (773) 869-1234 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

 

 

6.2 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.

6.3 Dry Contact Interface

This female DB9 contact-closure port allows your UPS to send

Pin assignment:

contactclosure signals to indicate that it is on battery back-up mode and if its batteries are running low. The port can also receive a remote shutdown signal.

DRY CONTACT INTERFACE TABLE

UPS Operating Mode

Pin 8,3

Pin 1,3

 

 

 

Normal

OPEN

OPEN

 

 

 

Back Up

CLOSE

*

 

 

 

Low Battery

CLOSE

CLOSE

* Inactive: may be in either state.

+- 3 V

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Tripp Lite 120/208V owner manual Communications, RS-232 Interface, AS-400 Interface, Dry Contact Interface