3 V
+
-
10
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
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.
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.
This female DB9 contact-closure port allows your UPS to send
contact-closure 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.
Pin assignment:
6.1 RS-232 Interface
6.2 AS-400 Interface
6.3 Dry Contact Interface
6. Communications
