Software; Communication Port - LEGRAND KEOR LINE RT 1000 VA Manuel D'installation

Please verify the availability and download the UPS software tool from the website www.ups.legrand.com.
This software can be used for the following functions:
- Automatic shutdown of the local computer
- UPS parameters reading
6.1

Communication Port

DB-9 Connector
The UPS has a DB-9 (9 pin female) connector on the rear to allow the communication between
the UPS and a computer running the UPS Legrand software. The connection provides serial
communication, On Battery and Low Battery signals.
Pin Assignment
6 7
1 2 3
DB-9 Pin Assignment Description
1
Low Battery (open collector)
2
UPS TxD
3
UPS RxD
4
N.C.
5
Common
EPO Switch
The UPS is equipped with an Emergency Power Off (EPO) switch to interrupt the power sources to
the UPS and its connected equipment.
The interface system with the EPO circuit has to be taken in charge by the user /installer
1 2
1 = REPO+
2 = Ground
Short Pin 1 and Pin 2 to enable the REPO function
36
®
8 9
4 5
Collector to Emitter*
(+)
330 Ohms
(-)
DB-9 Pin Assignment Description
6
N.C.
7
Low Battery (open emitter)
8
Utility Fail (open emitter)
9
Utility Fail (open collector)
6 UPS Software
Open
Collector
Open
Emitter