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Cisco ONS 15454 SDH Installation and Operations Guide, R3.3
May 2002
Chapter 1 Hardware Installation
Front Door Access
Step 1 Open the front door lock (Figure 1-8). The ONS 15454 SDH comes with a pinned hex key for locking
and unlocking the front door. Turn the key counterclockwise to unlock the door and clockwise to lock it.
Step 2 Press the door button to release the latch.
Step 3 Swing the door open.
Figure 1-8 The ONS 15454 SDH front door
Procedure: Remove the Front Door
Step 1 Open the door.
Step 2 Remove the ground wire from the door.
Step 3 Hold the door at the top left corner and remove the door from its hinges (Figure 1-9).
Door lock
Door button
Viewholes for Critical, Major and Minor alarm LEDs
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CISCO ONS 15454
Optical Network System
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