Tadiran Telecom Coral IPx 500, Installation Manual

Page: 182 / 544

5-12
Coral IPx 500 Installation Manual
Pr
otection Devices
5
To prevent serious damage to the Coral IPx 500 system, the analog trunk and station
circuits, whose cables are laid outside the building, must be protected from the
electrical peaks caused by lightning. Magazine 10 surge arrestors must be mounted on
the MDF where telephone circuits are cross-connected.
Figure 5-4 Magazine
with 10 Surge Arrestor
and Voltage Protector
Units
The mounting procedure is as follows:
1. Identify the MDF disconnecting strips used for telephone connections.
2. Place a magazine 10 surge arrestor (catalog no. 7244-3190009) on each MDF strip
used for telephone. See Step 1 in
Figure 5-5
.
3. Use the relevant tables found on
page 5-44, MDFipx Unit Supplied by the
Manufacturer
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 (catalog no. 7244-2350001) in the magazine 10
surge arrestor where a telephone is connected. See step 2 in
Figure 5-5
.
2 Surge Arrestor Magazine Mounting
1 2
3
4
5
6
7
8
9
10
Krone
Block
Magazine 10
Surge Arrestor
Surge Voltage
Protector