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4.4 Communication interface
4.4.1 Computer interface
UPS and monitoring equipment (computer) can be connected with each other through standard
RS232 port (standard configuration) and standard USB interface (standard configuration), so as to
realize single UPS communication.
Connect RS232 (USB) communication cable onto the serial port (USB interface) of the
computer;
Connect RS232 (USB) communication cable onto the serial port (USB interface) of the UPS.
☆
The RS232 port description is as follows:
☆
The USB interface description is as follows:
4.4.2 EPO port
EPO is short for Emergent Power Off. EPO ports refer to the green terminals located on the UPS
rear panels. Users can shut down the UPS and cut off the power output through this port in case of
emergency. The wiring mode is as follows:
Under normal circumstances, pin 1 and pin 2 are disconnected; close pin 1 and pin 2 during
emergency shutdown.
4.4.3 Installation of intelligent cards (Optional)
Each UPS has one intelligent slot, which is adaptive to three kinds of intelligent cards, namely SNMP
cards, dry contact cards, and RS485 cards.
The intelligent cards shall be installed in the intelligent slots on the UPS rear panels. There is no
need to shut down UPS during the installation of intelligent cards. The installation steps are as
follows:
Pin
1
2
3
4
5
Definitio
n
Null Pin
Transmit
Data
Receive
Data
Null Pin
Ground
Pin
6
7
8
9
Definitio
n
Null Pin
Null Pin
Null Pin
Null Pin
Pin
1
2
3
4
Definitio
n
Power
Supply
+5V
Data +
Data -
Ground
Summary of Contents for 6KVA
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