The unit is connected to the UPS electrical supply system and will indicate “Power On” with a green LED
indicator. The unit will indicate loss of supply to the UPS (“UPS in emergency mode”) with a synchronised,
pulsating, audible alarm and a Visual red LED alarm indicator, The UPSSI is equipped with an audio mute
button (the Audible alarm will continue until muted). The visual alarm (and the audible alarm – if not muted)
shall continue until the supply is restored to the UPS or the UPS is exhausted.
The mute function can be confi gured to “time out” if left unattended.
The UPSSI can be provided with an optional relay alarm output voltage free contact (normally open or
closed on alarm).
Upon total loss of the power, the alarm contacts will be in the “Closed Alarm” state
Medical Version – Suitable for use in patient Areas per AS3003-2011