Chapter 3 - Routine Maintenance
Confidential and Proprietary Information of ZTE CORPORATION 59
Category
Check items
Remarks
Checking whether the antenna
feeder connectors and the
lightning protection grounding
kit are waterproof
Refer to section “Checking whether
Antenna Feeder Connectors and
Lightning Protection Grounding Kit are
Waterproof”
Checking E1 interfaces
Refer to section “Checking E1
Interfaces”
Checking and
maintaining
the interfaces
Checking the antenna feeder
interfaces
Refer to section “Checking Antenna
Feeder Interfaces”
Checking whether the lightning
protection arrester is in good
condition
Refer to section “Checking Whether
Lightning Protection Arrester is in Good
Condition”
Checking whether the
grounding is reliable
Refer to section “Checking whether
Grounding Cable is Reliable”
Checking and
maintaining
the auxiliary
equipment
Measuring the grounding
resistance
Refer to section “Grounding Resistance
Test”
Checking the running status of
the transmission equipment
Refer to section “Checking Running
Status of Transmission Equipment”
Checking and
maintaining
the auxiliary
equipment
Checking the running status of
UPS
Refer to section “Checking Running
Status of UPS”
Checking BS21 AC Power
[
Instruments and meters
]
3 1/2 multimeter.
[
Test procedure
]
1.
Measure the voltage of the power supply network with the multimeter;
2.
Check if the power cable is aging.
[
Normal result
]
1.
Nominal value of the AC power: 220 VAC;
Allowed fluctuation range: 130 VAC ~ 300 VAC.
2.
The power cable is not aging.
[
Troubleshooting
]
If the power voltage is abnormal, check the AC power supply equipment
and conduct relevant troubleshooting.
If the power cable is aging, please replace it in time.
[
Recovery after test
]
None.
