CiTRANS R820 Edge Router Hardware Description
Table 1-3 lists names and functions of major components in a 19-inch cabinet.
Table 1-3
Names and Functions of Major Components in a 19-inch Cabinet
Component
S.N.
Name
Function
Cabinet body
(1)
Mounting hole for the top-
connection bent angle
bracket
For installing the top-connection bent angle bracket
(2)
Wiring hole on cabinet top
When top access wiring mode is used, all wires and
cables are led in and out via these holes
(3)
Ventilation hole at the
cabinet top
At the cabinet top, for air cooling of the cabinet
(4)
Cabinet indicator
Three alarm indicators (green, red, and yellow),
indicating alarm status of the cabinet
(5)
ESD protection earth
ground fastener
For installing the ESD protection wrist strap to prevent
the equipment from the electrostatic damage
(6)
Mounting hole on the
vertical mounting flanges
For securing the subracks and the PDP inside the
cabinet
(7)
Wiring hole at the cabinet
bottom
When bottom access wiring mode is used, all wires
and cables are led in and out via these holes
Cabinet door
(8)
Front door
For protecting subracks, and preventing dust from
entering the subracks
(9)
Side door
(10)
Side door lock
For opening or closing the side door
1.1.4
Indicator
Indicators of the 19-inch cabinet are located at the cabinet top. They indicate the
operating status of the equipment and levels of generated alarms.
(1) Red indicator
(2) Yellow indicator
(3) Green indicator
Figure 1-4
Indicators on the 19
–
inch Cabinet
1-6
Version: A