Xtreme Power Conversion Corporation
M90 User’s Manual
Page 17
Uninterruptible Power Supply
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 Charter 5.
No.
Item
Description
1
Extra Comm.
Slot
This slot can insert an optional card, Extra Comm. card which can enhance the
communication capability of UPS system. It can provide another SNMP slot and
some dry contact ports.
2
LCD Port
This port connects to Control Panel with a factory installed cable.
3
RS232 port
Local communication interface.
4
USB port
Local communication interface.
5
SNMP Slot
This slot can work with optional cards, SNMP, AS400 or Modbus card.
6
Dry contact
ports
CN1 ~ CN8. For detailed information, please refer to Chapter 5.
Figure 2-18 STS Module