Appendix A - Replacement of Modules and Parts
Confidential and Proprietary Information of ZTE CORPORATION 187
Cabinet-Bottom 1/2 Soft Jumper
Replacement
1.
Tools
i.
LDF4 block cutting device
ii.
LDF4 block installation tools
iii.
Adjustable wrenches (2)
iv.
Hacksaw
v.
Assorted file
vi.
Paper knife
vii.
Adjustable hot air blower
viii.
Multimeter
ix.
Antenna feeder analyzer (SITE MASTER)
2.
Preparation:
i.
Perform fault observation and analysis and determine the
replacement is necessary.
ii.
Prepare a good spare part with the same type as that of the faulty
jumper.
iii.
Prepare a damp-proof bag and carton, as well as some labels for
identification.
3.
Procedure
i.
Power off all the ETRM modules on the PSM module panel.
ii.
Remove the jumper by an adjustable wrench, and then remove
connectors at its two ends, to check whether the connectors are
faulty, if they are perfect, use them again.
iii.
Put the replaced faulty jumper in a damp-proof bag, label it and
mark the type and fault. Store it properly in the carton. Label the
carton for easy identification and handling in the future.
iv.
Cut a proper length of jumper according to the real situation, and
make a new jumper in the way as described in the manual for
making connectors in the package of the connector.
v.
Test the newly-made jumper, especially test its connection and
disconnection through a multimeter.
Note:
Make the jumper safely and avoid the personal injury due to improper use of
sharp tools.
Pay attention to the handling of the feeder leftover. If sundries such as copper
bits are filtered into the connector, the performance of the antenna feeder system
will be influenced.
