Boards for HiPath 3000
P31003-H3550-S403-4-7620, 02/05
3-76 HiPath 3000 V5.0, HiPath 5000 V5.0, Service Manual
boards.fm
Central Boards
Figure 3-30 UPSC-DR (S30122-K7373-M900)
19-inch housing for HiPath 3500 and HiPath 3300
X1
To
CUCR/CUPR
1
50
AC outlet
Connector for batteries
and EPSU2-R (installed
in the ECR)
Slide switch for setting the ring frequen-
cy
Slide switch for activating and deactivat-
ing the battery voltage (batteries):
● up = off, battery voltage deactivated
(battery backup off)
● down = on, battery voltage activated
(battery backup on)
25 Hz
20 Hz
50 Hz
LED, yellow
Battery connector as-
signment:
+48 V
Batt
–48 V
Batt
–48 V from EPSU2-R
+48 V from EPSU2-R
Caution
The screw marked “ ” performs the
ground connection between UPSC-DR
and the 19-inch housing and must al-
ways be installed.
LED,
green
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