Huawei DBS3900 Installation Manual page 202

DBS3900 LampSite
Installation Guide
Figure 9-22 Waterproofing the connector of the RF jumper
 Wrap cold shrink sleeves around the RF jumpers before installing the connectors.

Do not rotate the adjacent connectors of a connector that has been wrapped with a cold
shrink sleeve. Otherwise, the cold shrink sleeve may be damaged.

During installation, ensure that no foreign substance, including sand, enters the sleeve.
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Issue 08 (2016-05-30)
Wrap a PVC insulation tape around the exposed area of the connector. The wrapped area
is 15 mm away from the end of the connector, with a total length of 40 mm.
Ensure that dimensions (L x W) of the waterproof tape is 50 mm x 50 mm. Stretch the
tape horizontally until it is twice of the original length and wrap it around the upper area
of the connector.
Ensure that the upper end of the waterproof tape overlays that of the PVC insulation
tape.
Push the cold shrink sleeve to the end of the pRRU3907 connector while gently pulling
out the support strip along the jumper until the sleeve shrinks and secures the connector.
Pull out the support strip along the direction indicated by the arrow.
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9 Installing a pRRU3907 or pRRU3916
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