LBS DP1OL-3KTRL-120, Руководство пользователя, Страница: 20 / 23

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5. Controland communication
UPS includesseveral communicationports: RS232,EPO, SNMP card, USB, and dry contact card.
NOTICE : Only oneof SNMP card, and dry contact card can be usedat the sametime. Only one
of RS232and USB is available at the sametime.
5.1 SNMP Card
SNMP card is usedto monitor the UPS via TCP/IPprotocol, users can checkthe UPS status and
data online. Please refer to the user manualof SNMP cardto get moredetailed information.
5.2 Dry Contact
There are two types of dry contact for option: DB9, phoenixterminal.
Maximumoutput current for dry contact is 1A.The function of dry contact islisted as below:
DB9 port phoenixterminal
Function DB9 Phoenix Description
UPS fault 1 9 Open from commonconnection: UPS is abnormal.
Closed:UPS is normal.
General 2 7 Open fromcommonconnection: UPS is warning
Closed:UPS is normal.
GND 3 2 Internal GND,used to connect external power supply 12-24Vdc
Remoted
shutdown 4 4 Input port. Used with external power supply.If connected to
power supply,UPS transfer to bypass.UPS shutdownif bypassis
abnormal.
Common
connection 5 1 Commonconnection of output signal. Connected to power
supply for input signal.
Bypass mode 6 8 Closedto commonconnection: UPS is workingin bypassmode.
Open: UPS is not workingin bypassmode.
Battery low 7 6 Open fromcommonconnection: battery low alarm
Closed:battery capacity isnormal or not inbattery mode
Normal
mode 8 5 Closedfrom commonconnection: UPS is workingin normal
mode.
Utility failure 9 3 Open formcommonconnection: utility input fails.