20
2.8.3 Control Key
Turn on or turn off the UPS.
2.9 Introduction of Modules
The design of STS Module and Power Module make maintenance and replacement quick and easy.
The modular and hot-swappable design of Power Module makes it a highly cost-effective solution
to meet your power requirement. The number of Power Modules installed in the UPS can be based
on the initial needs. Once the power requirement increases, you can easily install more Power
Modules without interrupting the operation of the system. Front View is shown in figure 2-9
2.9.1 STS Module
The STS Module is installed before leaving factory. It provides the bypass power when UPS is in
Bypass Mode.
In addition to offering bypass power, it includes some communication interfaces. For detailed
information, please refer to Chapter 5.
No.
Item
Description
Extra Comm. Slot
This slot can insert an optional card, Extra Comm. Card. This card can
enhance the communication capability of UPS system and provide
another SNMP slot and some dry contact ports.
LCD Port
This port connects to Control Panel with an installed cable from
factory.
RS232 port
Local communication interface.
USB port
Local communication interface.
SNMP Slot
This slot can work with an optional card such as SNMP, AS400 or
Modbus card.
Dry contact ports CN1 ~ CN8. For detailed information, please refer to Chapter 5.
Figure 2-16 STS Module
Summary of Contents for X90-5S
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