DRY CONTACT INTERFACE
This female DB9 contact-closure port allows your UPS to
send contact-closure signals to indicate that it is in battery
back-up mode and that 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
+
-
Pin assignment:
11
Communications
AS-400 INTERFACE
This female DB9 port connects your UPS to an IBM AS-400
computer via the included 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 operat-
ing 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.
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, 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
