Tripp Lite 3-Phase 20kVA - Manual (Page 10)

10
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 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
Communications
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.
DRY CONTACT INTERFACE
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.
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: