X2 - Remote Epo Input Port; Other Communication Interface - INFOSEC UPS SYSTEM E4 Evolution II TT Series User Manual

+3.0V
Power GND

4-2. X2 - Remote EPO Input Port

The UPS is equipped with Emergency Power off (EPO) Function that can be operated by a remote contact
assigned by the users. Users can set the logic (N.C or N.O) of this EPO Function through LCD panel.
X2 is the remote EPO input port. This port is shown below
Description of Remote EPO Port
EPO Logic Setting
N.C
N.O
If EPO Logic setting is Normal Closed (N.C), EPO is triggered when pins 1 and pin 2 of X1 are opened.
Otherwise, EPO Logic setting is Normal Opened (N.O). EPO is triggered when pin 1 and pin 2 of X2 are
closed.
Note:
1. EPO action shuts down the rectifiers, inverters and static transfer switch. But it does not internally
disconnect the input power supply.
2. The default setting of the EPO function logic is Normal Opened (N.O).

4-3. Other Communication Interface

4-3-1. Extra Comm. Slot
There is an optional slot to allow Extra Comm. Card. This option can enhance the communication
capability of the UPS. It provides an additional SNMP slot, dry contact I/P & O/P signals and temperature
sensor ports.
4-3-2. Local Communication Ports – RS232 & USB
This UPS is equipped with one RS-232 port and one USB port.
Note: The RS232 and USB ports CANNOT work simultaneously.
4-3-3. SNMP Slot
The SNMP card or AS400 card can be inserted into this slot to work with the UPS.
INFOSEC UPS SYSTEM – 15, Rue du Moulin – 44880 Sautron – France – www.infosec-ups.com
117
Hot Line Tel : +33 (0)2 40 76 15 82 – fax : +33(0)2 40 94 29 51 – hotline@infosec.fr – 02 19 AA 59 203 07
X1.3 3V
X1.4 GND
Remote EPO Input Port
Position
X2.1 & X2.2
X2.1 & X2.2
Description
EPO activated when Opened X2.1 & X2.2
EPO activated when Shorted X2.1 & X2.2