Make sure that the arrester is well grounded before using
the lightning arrester for power.
After inserting AC power cord plug of switch into the
socket of lightning arrester, if the green LED is on and the red
LED does not alarm, it means that the lightning arrester of
power is running and the function of lightning protection has
taken effect.
Pay adequate attention if the red LED is on. You should
correctly locate the problem, whether it is caused because the
ground wire of the arrester is not well grounded or because the
live and zero wires are connected in reverse direction. You
may check that in the following way. When the red LED is on,
use a multimeter to examine polarity at the power socket of the
arrester. If it is same to that of the power socket in the
equipment room, it means that arrester is not well grounded. If
it is adverse to that of the power socket in the equipment room,
it means that the power socket of the arrester is set to the
reverse polarity. In this case, you should open th power socket
of arrester to correct polarity. After that, if the red LED still
alarms, it means that the arrester is not well grounded yet.
A.2 Installation of Lightning Arrester for Network
Port
Note:
Lightning arrester for network port is specially designed for the Ethernet port of 10/100M electrical interface (RJ-45 connector is
adopted in this case).
Caution:
Lightning arrester for network port will not be provided along with the switch, and you should purchase it by yourself if needed.
If an outdoor network cable should be led to the switch, please serially connect the lightning arrester for network port before you
plug this cable into the interface on the switch, in case of the possibility that the switch may be damaged due to lightning strike.
I. Required tools
Phillips screwdriver or Flat-blade screwdriver
Multimeter
Tilted wire cutter
II. Installation procedure
Step 1: Tear the protection paper at one side of the double faced adhesive tape apart from the tape, and stick the tape on the
surface of the arrester. Tear the protection paper at another side apart from the tape, and stick the arrester onto the chassis of
the switch. The arrester should be attached on the chassis as close to the grounding screw as possible.
Step 2: According to the distance to the grounding screw of the switch, cut the ground wire of the arrester, and securely
tightening its ground wire to the grounding screw of the switch.
Step 3: Use the multimeter to measure whether the ground wire of the arrester contacts well with the grounding screw of
chassis.
Step 4: According to the instruction of arrester for network port, connect the arrester with switch by the cables (be carefully with
the cable direction. Outdoor network cable should be inserted into the arrester‘s IN end, and the cable connected to the switch
should be inserted into the arrester’s OUT end). When you do that, observe whether the arrester indicators normally display.