User's Manual

Samsung CDMA BSS: Indoor BTS Installation Manual
51
BSS Version 4, Document V4D0001 release 0.5, Indoor BTS Installation Manual, release 2.0
Power down procedure
After all BTS racks have been initially tested, the racks must be
powered down to reset the system. Be sure to follow the power down
procedure step-by-step. Any deviations may cause damage to the
equipment.
Power down SBR3 If there is no SBR3 rack, go to the “Power down SBR2” procedure. If
an SBR3 rack is installed, use this power down procedure:
1 Turn off the right side PAU power circuit breakers in this order: 5, 4,
3.
2 Turn off the left side PAU power circuit breakers in this order: 2, 1, 0:
3 Turn off the power switch on each SPD-T module.
4 Turn off the shelf power circuit breakers for the 3 Vout B Side in this
order: SH-2, SH-1, SH-0.
5 Turn off the shelf power circuit breakers for the 3 Vout A Side in this
order: SH-2, SH-1, SH-0.
6 Turn off the two FAN circuit breakers.
7 Complete the appropriate boxes in the Indoor BTS Installation
Record.
Power down SBR2 If there is no SBR2 rack, go to the “Power down SBR1” procedure. If
an SBR2 rack is installed, use this power down procedure:
1 Turn off the right side PAU power circuit breakers in this order: 5, 4,
3.
2 Turn off the left side PAU power circuit breakers in this order: 2, 1, 0:
3 Turn off the power switch on each SPD-T module.
4 Turn off the shelf power circuit breakers for the 3 Vout B Side in this
order: SH-2, SH-1, SH-0.
5 Turn off the shelf power circuit breakers for the 3 Vout A Side in this
order: SH-2, SH-1, SH-0.
6 Turn off the two FAN circuit breakers.
7 Complete the appropriate boxes in the Indoor BTS Installation
Record.
Power down SBR1 Power-down the SBR1 rack as follows:
1 Turn off the right side PAU power circuit breakers in this order: 5, 4,
3.
2 Turn off the left side PAU power circuit breakers in this order: 2, 1, 0.
3 Turn off the power switch on each SPD-T module.
4 Turn off the GCRU switch.