Huawei RTN 380H Quick Installation Manual page 13

Aligning Antennas
Relationship Between RSSI Port Voltage and Receive Signal Level
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Appendix
Moistureproofing the Connectors of 10GE(o), COMBO, COMBO(e) and P&E ports
Root
30mm
XPIC COMBO 10GE(o) 10GE(o)
Moistureproofed parts:
Length between the root of XPIC/COMBO/10GE(0)
port connector and the lower edge of the
moistureproofed part: 30 mm.
Moistureproof a connector as follows:
1. Wrap one layer of PVC tape around the moistureproofed part.
2. Wrap one layer of waterproof insulation tape outside the PVC tape. Ensure that the waterproof insulation tape completely
covers the PVC tape (including the edges).
3. Wrap one layer of PVC tape outside the waterproof insulation tape.
4. Secure the tape by using outdoor binding straps at the positions 1 cm to the wrapping edges.
Waterproofing the Ground Clip
1. Wrap one layer of PVC tape around the exposed part of the group clip.
2. Wrap three layers of waterproof insulation tape outside the PVC tape.
3. Wrap three layers of PVC tape outside the waterproof insulation tape.
4. Secure the tape by using outdoor binding straps at the positions 1 cm to the wrapping edges.
PVC tape
Root
30mm
Root
30mm
COMBO(e) P&E
The entire DC/P&E/COMBO(e)port connector and the
length between the root of connector and the lower edge
of the moistureproofed part: 30 mm.
Waterproof insulation tape
For details on how to use the
waterproof insulation tape, see
instructions provided by the tape
vendor.
Root
30mm
DC