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External FAN Connector
To provide DC Power (48Vdc, 3 Amp Max) to an optional 48Vdc fan.
PTS Control Connector
This connector provides power to control the PTS unit.
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.
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.
Function Keys
These buttons are used to operate and control the LCD panel.
LCD Display Panel
It shows the UPS information in four-line texts.
Indicator LEDs
Three LEDs show the information of output status, alarm and fault.
USB Connector
This is used to connect the UPS to the computer for remote control and monitoring.
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.
Intelligent Slot (optional)
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.
3.3 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.
AC Input Terminal Block
The line input power is connected to the terminal block marked with "AC IN".
AC Output Terminal Block
The output power is connected to the terminal block marked with "AC OUT".
Figure 3: Front Panel of PTS with terminal block
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