Cisco Systems 15454 SDH 1.2 Front Door

1-3
Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Chapter1 Shelf and FMEC Hardwa re
1.2 Front Door
Figure 1-1 provides the dimensions of the ONS 15454 SDH.
Figure1-1 ONS 15454 SDH Dimensions
1.2 Front Door
The Critical, Major, and Minor alarm LEDs visible through the front door indicate whether a critical,
major, or minor alarm is present anywhere on the ONS 15454 SDH. These LEDs must be visible so
technicians can quickly determine if any alarms are present. You can use the LCD to further isolate
alarms.
The ONS 15454 SDH features a locked door to the front compartment. A pinned hex key that unlocks
the front door ships with the ONS 15454 SDH. A button on the right side of the shelf assembly releases
the door. The front door provides access to the shelf assembly, cable-management tray, fan-tray
assembly, and LCD screen (Figure 1-2).
Front ViewSide View
Top View
616.5 mm
(24.27 in.)
61213
280 mm (11.02 in.)
280 mm
(11.02 in.)
40 mm (1.57 in.)
535 mm (21.06 in.) total width
535 mm (21.06 in.) total width