Case Of Gr4000-160E1 - Hitachi GR4000 Series Installation Manual

!
(2) Powering off the GR4000-80E1
Set all the switches attached to the device to OFF.
WARNING: THE GR4000 HAS MULTIPLE POWER SOURCES WHEN IT HAS A
!
4.11.2

Case of GR4000-160E1

(1) Powering on the GR4000-160E1
Set all the switches of GR4000-160E1 to ON.
There is a restriction regarding the way of powering GR4000-160E1 as shown in NOTE
below.
*
Figure 4.11-2 GR4000-160E1 powered on
520-10-014-20X
Caution: Wait at least two seconds before restarting the GR4000 once it has been
powered off.
REDUNDANT POWER SUPPLY UNIT, EACH HAVING A SEPARATE SOURCE OF
MAIN POWER. WHEN POWERING OFF THE DEVICE, MAKE SURE THAT ALL
THE POWER SWITCHES AND CIRCUIT BREAKERS ATTACHED TO IT ARE SET
TO OFF.
Caution: While the access indicator of BCU (ACC lamp) is lit, the memory card is being
accessed. DO NOT pull out a memory card or turn off the power switch while the
memory card is being accessed. If so, you could permanently damage the
memory card.
NOTE: When powering on the GR4000-160E1, setting all its power switches to ON
should be done within 8 seconds. If you cannot do it within 8 seconds, there is
the possibility that the BCU signals a temporal abnormality related to the status
of power sources. However, the system gets back to normal after all the
switches are set to ON.
Power supply unit
2（POW2）
Power supply unit
3（POW3）
GR4000 Installation Guide Version 1.00 - Preliminary
Power switch
Power supply unit 0 (POW0)
Power supply unit 1 (POW1)
Set to ON
(OFF)
139