Chapter 2 Risky Operations During Routine Maintenance - Zte ZXR10 5900E Series Routine Maintenance

Chapter 2
Risky Operations During
Routine Maintenance
Notes for Risky Operations During Routine Maintenance
Risky operations refers to the operations that may cause personal injury, accidents,
equipment damage or service interruption .
Caution!
Only the qualified and professionally trained personnel can do the risky operations. Before
the operations, it is necessary to consider the worst situations that may appear and make
solutions for sudden events.
Risky Operations Related Hardware
During routine maintenance, some hardware operations are risky, as listed in
Table 2-1 Risky Operation List Related to Hardware
Operation Class Operation Type
Risky operations It is prohibited to plug out or plug in the AC
related power power supply filter of ZXR10 5900E with power
supplies on.
Without professional guidance, it is prohibited
to operate the various air switches, including
the switches on the equipment power supply
module, in the distribution box in the cabinet,
and in the distribution cabinet.
SJ-20150114102049-013|2015-01-15 (R1.0)
Possible Result
If the AC power supply filter is plugged in or
plugged out when the equipment is working,
there will be a equipment exception and the
services will be interrupted.
If the ZXR10 5900E AC power supply module
is damaged, choose an appropriate time to
handle the fault. The filter should be powered
off while handling the damage.
Only the professional personnel can operate
various power supplies in accordance with
related statuses during upgrading, service
handover, capacity extending or serious faults.
This result need to be given first, then handling
instructions.
2-1
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Table 2-1.