Ground Points of RTN 380e (Outdoor PI)
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Installation Reference
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Lightning rod
RTN 380e
Outdoor PI
Cable tray
P&E cable
Outdoor GE
cables of the PI
Indoors
Cus
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Ground points of an RTN 380e and its serving PI:
Point 1: Ground the RTN 380e using a PGND cable.
Point 2: Ground the P&E/GE(e) cable using a ground clip at a position about 0.5 m to 1 m after the cable leaves the port.
Point 3: Ground the P&E/GE(e) cable using a ground clip at a position about 1 m before the cable leaves the tower. If the PI is installed in the equipment room,
ground the P&E/GE(e) cable using a ground clip at a position about 0.5 m to 1 m before the cable runs into the equipment room.
Point 4: Ground the PI using a PGND cable.
Point 5: Ground the cable using the PI's wire clip after the cable enters the PI.
Point 6: Ground the outdoor GE cable of the PI using a ground clip at a position about 0.5 m to 1 m before the cable runs into an indoor or outdoor cabinet.
Outdoors
Tower
Select an installation position and remove a
section of the cable sheath with a box cutter.
Do not damage the shield layer.
Install and waterproof the ground clip.
(See the appendix.)
Ensure that the angle between the ground cable and P&E
cable is 15 degrees or less. If the P&E cable is routed
vertically, route the ground cable from the top downwards.
Install the ground clip.
•Two types of terminals (ground bar terminal and U-shaped terminal)
are available for the cable of a ground clip. Select a terminal as
required.
•If a ground clip is installed on a thin cable, secure the ground clip by
using the binding wire delivered with the ground clip.
•For details on installing ground clips, see the usage instructions
delivered with the ground clips.
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