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InfraStruXure System—Installation and Start-Up 37
Connect User Input Contacts and Relay
Outputs to the User Connection Plate
Overview
The figure below shows the location of the user connection plate. It is mounted on the roof of the
PDU enclosure, and the connections are made from inside the enclosure. Use the knockout in the
plate to route cables to and from the user connections on the plate.
Make contact closure connections (NO or NC) at the user connection plate to monitor dry contacts.
You can make eight connections—four input contacts and four relay outputs.
1 234
ATS E N
ATS 0
ATS 1
ATS 2
EPO
Contact
– +
EPO 24 V
AC/D C
Contact Inputs
Contact Outputs
USER INTERFACE
© 2001 APC
MADE IN USA
1 23
4
ATS EN
ATS 0
ATS 1
ATS 2
EPO
Contact
–
+
EPO 24V
AC/DC
Contact Inputs Contact Outputs
USER INTERFACE
© 2001 APC
MADE IN USA