Siemens HiPath 3000 Series Service Documentation page 204

boards.fm
Boards for HiPath 3000
Central Board
Switches and indicators
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.
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)
Slide switch to turn the battery voltage on/
LED, green: +5-V output voltage is availa-
Slide switch for setting the ring frequency
Figure 3-24 UPSC-D - Switches and LEDs
3-72
off
ble
HiPath 3000/5000 V9, Service documentation
Nur für den internen Gebrauch
A31003-H3590-S100-7-7620, 06/2012