SA-ACU-SR User
Manual
S-Access GmbH
Tel: +41 44 700 31 11
Oberhausenstrasse 47
Page
11
of
16
Fax: +41 44 700 31 03
8907 Wettswil a/A
Email:
Switzerland WEB:
www.s-access.ch
3.7 Power
failure
alarm
The front panel of the SA-ACU-SR module displays the status of the shelf power feeding.
The A and B “–48V
dc
” LEDs inform an operator about the status of primary and auxiliary
power feeding circuits, respectively. In normal condition the LEDs are green, while in case of
a power supply failure, the LEDs will be extinguished.
