SilentKnight VisorAlarm Plus 2U - Manual (Page 65)

VISORALARM - Appendices
IV - 63
Doc.DM374-I
Ver.1.0
4. UL compliance installation
4.1. Requirements prior to installation
You must take the following requirements into consideration when installing a VisorALARM PLUS
2U in an Alarm Center.
a) Installing in a rack
The device must be installed in a 19-inch rack or box with a locking rear access door.
b) Uninterrupted power supply
The Central Station must have a continuous power supply system by means of an independent
generator, which is capable of providing power to all the devices for at least 24 hours.
c) UPS
The VisorALARM PLUS 2U must have a UL listed UPS suitable for fire-protective signaling
capable of allowing the receiver to operate during 15 minutes.
d) Communication devices
For UL Listed Installations, shared-on-premises communications equipment is required to the
UL Listed for Information Technology Equipment.