Boards for HiPath 3000 Nur für den internen Gebrauch
A31003-H3590-S100-7-7620, 06/2012
3-72 HiPath 3000/5000 V9, Service documentation
boards.fm
Central Board
Switches and indicators
● LED, green: +5-V output voltage is available.
● LED, yellow: –48-V output voltage is supplied by the external power supply (Powerbox
PB3000 with LUNA2).
● Slide switch for setting the ring frequency:
– 25 Hz (GER + international market)
– 20 Hz (U.S.)
– 50 Hz (France)
● Slide switch for activating and deactivating the battery voltage (battery pack):
– up = off, battery voltage deactivated (battery backup off)
– down = on, battery voltage activated (battery backup on)
>
NOTE
System voltage can only be switched on or off by plugging in or out the power plug.
If the UPSC-D has been set up for emergency battery operation, the battery voltage
must also be switched off.
Figure 3-24 UPSC-D - Switches and LEDs
Slide switch to turn the battery voltage on/
off
LED, green: +5-V output voltage is availa-
ble
Slide switch for setting the ring frequency
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