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An Andrew Grounding Kit and Surge Arrestor Unit must be located at the ODU and reliably
grounded as shown in Figure 95. There may also be a regulatory requirement to crossbond
the screened CAT-5 at regular intervals up the mast. Refer to local regulatory requirements
for further details.
A second Surge Arrestor Unit should be mounted at the building entry point and must be
grounded.
The termination of the CAT-5 Cable into the Surge Arrestor Unit is illustrated in Table, Table
17 and Figure 98. The screen from the cable must be terminated into the ground terminal
within the unit to ensure the continuity of the screen. Earth Sleeving should be used to cover
the shield ground connection to prevent internal shorting within the unit.
Terminal Identification
CON3 Pin 1
CON3 Pin 2
CON3 Pin 3
CON3 Pin 6
CON1 Pin 4
CON1 Pin 5
CON1 Pin 7
CON1 Pin 8
Table 16 - Surge Arrestor ALPU-ORT Cable 1 Termination
Terminal Identification
CON4 Pin 1
CON4 Pin 2
CON4 Pin 3
CON4 Pin 6
CON2 Pin 4
CON2 Pin 5
CON2 Pin 7
CON2 Pin 8
Table 17 - Surge Arrestor ALPU-ORT Cable 2 Termination
Conductor
Orange/White
Orange
Green/White
Green
Blue
Blue/White
Brown/White
Brown
Conductor
Orange/White
Orange
Green/White
Green
Blue
Blue/White
Brown/White
Brown
164
RJ45 Pin
1
2
3
6
4
5
7
8
RJ45 Pin
1
2
3
6
4
5
7
8
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