IF Cable Grounding and Waterproof

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IF Cable Grounding and Waterproof

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HUAWEI TECHNOLOGIES CO., LTD.

Huawei Confidential

CONTENT
• IF Cable Grounding • Waterproof

IF Cable Grounding
 Determine IF Cable Grounding Position

Notes:
 At least three grounding points are needed for one IF

cable grounding.  The first grounding point (Point 1) is about 1M away from the IF interface of ODU.  The second point (Point 2) is about 1M away from the horizontal cable tray.  Point 3 is about 0.5M~1M away from the feeder window.

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IF Cable Grounding
 Perform the IF Cable Grounding

Key Steps:
 Strip the sheath off the IF

①

②

③

cable according to the length of the grounding clip.  Fit the grounding clip where the sheath is stripped off on the IF cable, and then tighten the screws.

38 mm

Notes:
④
⑤

⑥

 Strip the sheath off the IF

⑦
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential

cable according to the length of the grounding clip.  Don't strip any shielding layer of the IF cable.
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IF Cable Grounding
 Waterproof of IF Cable Grounding Points

Notes:
 Wrap the connector with three

12

3 ①
PVC Tape

12

3
Waterproof Tape

12 ②

3
PVC Tape

③

layers of PVC tape, water-proof tape and PVC tape 3–5 cm below the connector and toward the direction of the ODU.  The wrapping directions of the three layers are from down to up, from up to down, and from down to up 3 times respectively.

When wrap the waterproof tape, it must be pulled forcefully at the same time. Pulled forcefully
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IF Cable Grounding
 Waterproof of IF Cable Grounding Points

Cable ties should be used

 Cable ties keep the same direction.  After complete the tapes wrapping,

cable ties must be used on both ends of grounding point, and reserve spare length.

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IF Cable Grounding
 Grounding of IF Cable

Grounding cable must be downward along the IF cable

Before fix the grounding cable to tower, remove the paint is needed.
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Page 7

Thank you
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