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LCD Unit
Note
Step 6
Perform steps 1 to 5 for the active power module (installed in slot A).
Step 7
Return to your originating procedure (NTP).
LCD Unit
The LCD unit consists of an LCD display panel, push button, and shelf-level LED indicators on the ONS
15454 M6 system. A backup flash memory is fitted into the LCD unit to support the database (DB) and image
backup in the operation of the ONS 15454 M6.
The shelf controller card (TSC, TSCE, TNC, or TNCE) powers the 16 x 2 character LCD screen. The LCD
screen displays the shelf name, shelf IP address, and software version currently used. The LCD screen also
provides slot-level and port-level information of all card slots, including the number of critical, major, and
minor alarms. The display contrast is automatically adjusted for a clearer view. The three accessible push
buttons (SLOT, STATUS, and PORT) on the LCD unit are used to set parameters at the slot-level and port-level.
There are three alarm LEDs (CRIT, MAJ, and MIN) on the LCD unit that indicate whether a critical, major,
or minor alarm is present anywhere on the ONS 15454 M6 shelf. The shelf controller card controls the
conditions that result in triggering the LEDs. The LEDs can be overwritten by the shelf controller card (TNC,
TNCE, TSC, or TSCE) in all the three states (OFF/red/green). The LCD unit supports the lamp test procedure
and the LEDs changes its color or state.
Note
If the LCD unit is removed from the shelf, wait for at least 5 seconds before plugging it back into the shelf.
In the event the LCD display appears blank, remove the unit from the shelf, wait for at least 5 seconds and
reinsert the unit into the shelf.
The LCD module must be present in the ONS 15454 M6 shelf to:
• Provision the ECU module, fan-tray assembly, or power modules.
• Retrieve alarms from the ECU module, fan-tray assembly, or power modules.
NTP-G255 Install the LCD Module in the ONS 15454 M6 Shelf
Purpose
Tools/Equipment
Prerequisite Procedures
Installing the ONS 15454 M6 Shelf
96
While replacing the power modules, do not provision or install any line cards when the ONS 15454
M6 chassis is in the mixed power mode. Card provisioning and installation must be done only after
both the slots have the same type of power modules.
This procedure installs the LCD module in the ONS 15454 M6 system.
Small slot-head screwdriver
•
NTP-G252 Install the ONS 15454 M6 Shelf , on page
•
NTP-G259 Open and Remove the Standard Door of the ONS 15454 M6
Shelf , on page
• Connect the chassis to the office ground. For detailed instructions on how
to ground the chassis, see the
for Cisco CPT and Cisco ONS Platforms
57.
Electrostatic Discharge and Grounding Guide
.
Installing the ONS 15454 M6 Shelf
24.
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