7
13.
PTS Control Connector
-
This connector provides power to control the PTS unit.
14.
Battery Breaker
-
This over-current protection is used as an on/off switch for the battery power. It must be switched
on for proper UPS operation.
15.
Battery Voltage Test Points
-
The test points allow you to measure battery voltage. They accept 2 mm diameter test probe tips.
The battery circuit breaker must be turned on before measuring voltage.
CAUTION: The battery voltage test points are NEVER be used as a power outlet.
16.
Function Keys
-
These buttons are used to operate and control the LCD panel.
17.
LCD Display Panel
-
It shows the UPS information in four-line texts.
18.
Indicator LEDs
-
Three LEDs show the information of output status, alarm and fault.
19.
USB Connector
-
This is used to connect the UPS to the computer for remote control and monitoring.
20.
RS232 Connector
-
A straight-through DB-9 to DB-9 connector cable can be connected in. It is used to connect the UPS
to the computer for remote control and monitoring.
21.
Intelligent Slot
-
This optional slot is for SNMP card insertion to communicate with UPS. The UPS can be monitored
and controlled via a web browser or with SNMP protocols.
1.2
PTS
Module
(
Optional
)
The Power Transfer Switch (PTS) shown below allows the UPS to be removed for service, replacement or
maintenance without interrupting power to the outdoor equipment.
Figure 2: Front Panel of PTS with terminal block
1.
AC Input Terminal Block
-
The line i
nput power is connected to the terminal block marked with “AC IN”.
2.
AC Output Terminal Block
-
The output power is connected to the terminal block
marked with “AC OUT”.
3.
Switch
-
UPS or bypass output can be selected by this switch.
4.
AC Output Breaker
-
This circuit breaker marked with
“OUTPUT’’ is a resettable protective thermal circuit breaker to prot
ect
the output from overloads and short circuits.
5.
AC Input Breaker
-
This circuit breaker marked with
“UPS INPUT’’ provides input power protection for the UPS.
6.
AC Output Receptacles
-
These receptacles are ready to use for optional battery heating pads or a PC for maintenance.
