CiTRANS R820 Edge Router Hardware Description
Structure
As shown in Figure 6-4, both ends of the subrack protection earth ground cable are
uninsulated ring tongue crimped terminals. Between two ends is a yellow/green
cable.
Figure 6-4
Subrack Protection Earth Ground Cable
Connection Method
Table 6-9 describes how the subrack protection earth ground cable is connected.
Table 6-9
Connection Method of the Subrack Protection Earth Ground Cable
Cable Name
Terminal
Connected to
Subrack
protection earth
ground cable
Uninsulated ring tongue
crimped terminal on one end
Earth ground pole on the subrack
Uninsulated ring tongue
crimped terminal on the other
end
Mounting hole on the rear vertical
mounting flange of the cabinet
Technical Parameters
Table 6-10 lists technical parameters of the subrack protection earth ground cable.
Table 6-10
Technical Parameters of the Subrack Protection Earth Ground Cable
Item
Specification
Cable type
Multi strand single core flexible cable
Color
Yellow/green
Maximum current (A)
25
Conductor cross-sectional area (mm
2
)
4
6.3
Alarm Cable
Alarm cables used by the CiTRANS R820 includes the alarm cable of the head of
row cabinet and the subrack alarm cables.
6-8
Version: A