SMARTZONE UPS USER MANUAL
17
Network Management Card or a UPS Relay Card.
Network Surge Protection Ports (RJ45 NET SURGE PROTECTION)
Each UPS unit comes equipped with an internal Network/Fax/Modem Surge protection
module, labeled
RJ45 NET SURGE PROTECTION
on the back of the unit. The module
includes RJ45 pass-through ports, either port may be used for input or output.
EPO Signal Port (EPO)
Each UPS unit comes equipped with an Emergency Power Off Signal Port, labeled
EPO
on the back of the unit. The UPS comes equipped with a 2-pin plug wired to provide a
short that results in normal UPS operation.
CAUTION!
IF THE PLUG OR SHORTING WIRE IS REMOVED, THE UPS
SYSTEM WILL BE COMMANDED TO SHUT DOWN. IN TYPICAL
APPLICATIONS, THE PLUG WILL BE WIRED TO A REMOTE
NORMALLY CLOSED DRY CONTACT TO PROVIDE A SHORT
FOR NORMAL OPERATION. THE REMOTE DRY CONTACT
COULD BE OPENED TO COMMAND THE UPS TO SHUT DOWN
IN AN EMERGENCY.
DB9 Coms Port (RS232)
All units have a DB9 equipped with RS232 serial communications port, labeled
RS232
on the back of the unit. This serial port is reserved for UPS core Firmware Update.
USB Coms Port (USB)
All units have a USB serial communications port, labeled
USB
on the back of the unit.
This communication port is reserved for “Future Use”.
Chassis Ground Connection Point ( )
All units have a chassis ground connection, labeled with a ground symbol on the back of
the unit. This is used to ground the UPS and EBP chassis to the rack/cabinet. For safety
and proper grounding procedures, this grounding connection point must be connected
to the rack/cabinet ground. Refer to the UPS Installation Manual for proper connections
to this ground.
