Tadiran Telecom Coral IPx 500, Руководство по установке

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2-52
Coral IPx 500 Installation Manual
Eq
uip
m
ent Insta
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2
Ground Connection for Systems that Include a Customer-Supplied MDF
If the Coral IPx 500 system does not include an MDFipx unit, or if the system includes
IPx 800X cages, a master ground must be included within the system. See
Figure 2-32
,
Figure 2-33
and
Figure 2-34
. The system ground connection is fabricated as follows:
1. The master ground unit must have the following specifications. See
Figure 2-32
:
Dimensions:.......................Minimum of 5.5
”
x ¼
”
x 1
”
(140 mm x 6 mm x 25 mm)
Material:.............................Brass or Copper
Mounting holes:................¼
”
(6 mm) diameter, ½
”
(13 mm) distance from edges
Ground screws:.................10-32 UNF
Washers...............................One serrated washer above the ring terminal
Distance between screws:.....¾" (19 mm)
Figure 2-32 Master
Ground Unit
2. Verify that the ground wire is 10AWG stranded conductor, is the proper length
and includes two ring terminals fitted onto either end of the wire that are suitable
for connecting to the master ground and to the MDF.
3. Route the ground wire between the cage and the master ground.
4. Connect the ground wire to the IPx 500 cage as described on
page 2-47, Connecting
the Ground Wire to the Cage
.
5. Connect the cage ground wire to the master ground unit as follows:
Ring Terminal
Serrated Washer
Disk Washer
1
"
(2
5
m
m
)
¾
"
(1
9
m
m
)
¼"
(6mm)
¾
"
(1
9
m
m
)
½
"
(1
3
m
m
)
½
"
(1
3
m
m
)
1/4"
(6 mm)
10
-3
2
UN
F
Ground Screw