Xtreme Power Conversion Corporation
M90S-4S User’s Manual
Page 84
Uninterruptible Power Supply
5.9 Input Dry Contact Port
There are two sets of input dry contact to receive external signals for UPS to take response.
5.10 Battery Dry Contacts (Option)
This port is to detect the temperature of external battery packs. It’s necessary to install “sensor kit”
(optional accessory) when using these battery dry contacts.