Tadiran Telecom Coral IPx Office, Руководство по установке и аппаратным средствам, Страница: 66 / 510

2-22
Hardware Installation Procedure Coral IPx Office Installation Manual
Eq
uipment Insta
llation
2
Connecting the Ground Wires to the Master Ground
A master ground must be included within the system. See Figure 2-11 , Figure 2-12
and Figure 2-13 . The system ground connection is fabricated as follows:
1. The master ground unit must have the following specifications. See
Figure 2-11 :
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 2-11 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 unit and the master ground.
4. Connect the ground wire to the unit as described on Connecting the Ground
Wire to the Unit, page 2-21 .
Ring Terminal
Serrated Washer
Disk Washer
1"
(2
5
m
m
)
¾"
(19
m
m)
¼"
(6mm)
¾"
(19
m
m)
½"
(13
m
m)
½"
(13
m
m)
1/4"
(6 mm)
10
-32
U
NF
Ground Screw