should be equal to or greater than 6
mm2) to connect the grounding bar
and all the internal devices, and the
grounding bar to the network
cabinet in an equipotential manner
through a metallic structure.
Connect the grounding point of the
reinforcing rib of the optical fiber to
the ground bar through a ground
cable, or connect this grounding
point to the network cabinet in an
equipotential manner through a
metallic structure.
1.
The network cabinet must be grounded through an external ground cable (PGND
cable).
2.
The network cabinet must be grounded through an external ground cable (PGND
cable).
3.
A power cable with 3-5 m must be used for decoupling between the surge protector
and ONU power supply.
1.
MA5821/MA5822
2.
MDF
3.
ODF
4.
Grounding bar
5.
ACPDU
6.
AC power
distribution cabinet
In the case of the TT power
distribution system, it is
MDF
ODF
2
3
4
5
L
PE
N
Power cable
6
TN-S power distribution system
1
CAUTION
6
L
N
TT power distribution system
1
5
4
PGND
