Tadiran Telecom Coral IPx 500X, Installation Procedure And Hardware Reference Manual

Page: 140 / 400

5-14
Coral IPx 800 Installation Manual
Pr
otection Devices
5
To prevent serious damage to the Coral system, the analog trunk and station circuits,
whose cables are laid outside the building, must be protected from the electrical peaks
caused by lightning. Lightning Arrestors must be mounted on the MDF where
telephone circuits are cross-connected.
Figure 5-5 Magazine 10
Surge Arrestor and
Voltage Protectors
The mounting procedure is as follows:
1. Identify the MDF disconnecting strips used for telephone connections.
2. Place a Magazine 10 Surge Arrestor (CN# 7244-3190009) on each MDF strip used
for telephone. See Step 1 in
Figure 5-6
.
3. Use the relevant tables from
page 5-57, I/O Connections Via Champ Connectors
to
identify the MDF cross connection points that are used for each telephone. (The
connecting cables will be visible).
4. Insert a Surge Voltage Protector (CN# 7244-2350001) in the magazine 10 surge
arrestor where a telephone is connected. See Step 2 in
Figure 5-6
.
2 Surge Arrestor Magazine Mounting
1 2
3
4
5
6
7 8
9
10
Krone
Block
Magazine 10
Surge Arrestor
Surge Voltage
Protector