Confidential and Proprietary Information of ZTE CORPORATION
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Power-on Procedure
Following section describes procedure for first time power–on and normal
power-on.
First Time Power-on
Take following steps to power-on CBTS for the first time.
1.
Turn on main AC power switch and check D-level lightning protection
indicators.
2.
Insert six rectifier boards (PRM) one by one and check output DC
voltage range. Unplug rectifier boards, if indicators show normal status.
Leave only one PRM board and insert PMM board.
3.
Turn on CBTS power supply switch. Insert boards and check if boards
are powered on then unplug boards.
4.
Turn on power amplifier (PA), if status is normal then turn off amplifier.
5.
Turn on Uninterrupted Power Supply (UPS), if no warning indicators
are on then turn UPS off.
6.
Insert all PRM boards.
7.
Finally turn on UPS.
Normal Power-on
Tale following steps to power-on CBTS normally:
1.
Turn on -48 V main power switch.
2.
Turn on PWS AC power input switch.
3.
Turn on the UPS switch.
4.
Finally, turn on power amplifier (PA) switch.
Power-off Procedure
CBTS power-off procedure is reverse of power-on procedure. Take
following steps to power-off CBTS:
1.
Turn off power amplifier (PA) switch.
2.
Turn off UPS switch.
3.
Turn off PWS AC power supply switch.
4.
Finally, turn off -48 V main power switch.
Содержание ZXC10 CBTS O1
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