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Installation Manual – Hardware Installation
BBU3806 WCDMA Base Band Unit
Caution:
Do not scald the cable inner insulating layer.
Prevent the soldering tin from flowing out to the exterior face of the pin. In the case
of outflow, clean it off lest it should affect next process.
B.3.4 Crimping External Conductor
Insert the knurled cylinder of the SMB connector between the inner insulating layer of
the cable and the shielding layer so that the shielding layer evenly adheres to the
knurled cylinder of the connector. Meanwhile, prop the boss of the pin against the
inner insulating core of the connector, as shown in Figure B-10.
(1) Knurled cylinder evenly covered by the
shielding layer
(3) Pin
Figure B-10 Crimping an SMB connector onto a coaxial cable
Push the crimping sleeve until it fully covers the shielding wires. Crimp the sleeve
using the SMB crimping pliers.
Caution:
Before the crimping:
Check the SMB connector before pre-crimping.
Cut any shielding wires exposed outside the crimping sleeve in time using the
scissors.
During the crimping, fit the SMB connector properly to the crimping mold in the
crimping pliers.
(2) Inner insulating core of the connector
(4) Coaxial connector
Huawei Technologies Proprietary
B-8
Making Connector of Communication Cable
Appendix B
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