REAR PANEL DESCRIPTION CONTINUED
Serial Port Secondary I/O: Analog input/output pinout shown below will provide status for remote
monitoring of the UPS.
Communication protection ports RJ11/RJ45: Protects against surges on a single phone, fax, modem or
Ethernet network lines.
EPO (Emergency Power Off) Port: The EPO port may be used to connect the UPS to a contact closure
switch or control system to enable emergency shutdown (see page 16).
Serial Port Primary: The serial port primary allows for communication with a PC (through RS232) or
a control system. (Please Note: The USB and Serial ports cannot be used simultaneously)
Ground/Bonding Stud: Supplemental Bonding Point. Bonding of this point to the equipment and/or
enclosure helps ensure optimum performance of the electronic system.
SERIAL PORT SECONDARY CONNECTOR PINOUT
15
16
17
19
20
12
13
13
Site Wiring Fault Input LED Indicator: This LED will illuminate to warn the user that a wiring problem
exists within the AC mains electrical supply receptacle, such as reversed wiring. If illuminated,
disconnect all equipment and contact an electrician to ensure the outlet is properly wired
12
14
15
16
17
18
Page 8
Pin #
Description
1
Indicates low battery condition. If a low battery capacity condition occurs, pin 1 is (low),
4
If pin 4 goes high (5V to 12V) for 10-15 seconds then a UPS shutdown will occur
5
Connect to ground (common) of control system I/O
7
+5VDC to +12VDC must be applied to pin 7 from control system I/O in order for
communication to function
8
Indicates utility power failure condition. If a power failure occurs pin 8 is (low)
otherwise pin 8 is (high)
14
21
18
otherwise pin 1 will be high
(CONTINUED ON NEXT PAGE)
Expansion Port
E325394
6G48
Primary
Secondary
Serial Port
IN
OUT
125V
16A
60Hz
1650W
2150VA
Wiring Fault
Reset
EPO
D
A
T
A
Non-Critical Load
125VAC
60Hz - 16A
Reset
Non-Critical Load
Reset
Critical Load
125VAC
60Hz - 16A
Input Circuit Breaker: Resettable circuit breaker provides input overload protection.
Input:
48V
