relay card.
The SDU UPS is shipped with the following items:
Monitoring/diagnostic software is included on the UPSMON CD. The
software is compatible with Windows NT and Windows 2000 (including XP
operating systems).
RS232 to USB adapter cable
Mounting brackets to secure the UPS to the wall, back of the
panel or enclosure
English version
Data line surge protection for phones (UL497A).
Dry contact relay box