Huawei OptiX RTN 320F Quick Installation Manual page 17

Installation Reference
Selecting ground points
Select ground points for the outdoor network cable.
Ground the outdoor network cable at the following positions:
1. About 0.5 m to 1 m away from the port
2. About 1 m before the cable leaves the tower and runs toward the outdoor cable tray
3. About 1 m before the cable leaves the roof cable ladder
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Select ground points for the DC cable.
Ground the DC cable at the following positions:
1. About 0.5 m to 1 m (1.64 feet to 3.28 feet) before the cable is routed into the equipment room or outdoor cabinet
2. About 1 m before the cable leaves the tower and runs toward the outdoor cable tray
3. About 1 m before the cable leaves the roof cable ladder
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