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Figure 4: Module cover locking latches
Installing the MISP
Once covers have been removed and card slot locations selected for ISDN BRI cards, install
the MISP cards.
1. Hold the MISP by its card-locking devices. Squeeze the tabs to unlatch the card-
2. Insert the MISP into the selected card slot of the module so it engages the card
3. Slide the MISP into the module until it engages the backplane connector.
4. Push the MISP firmly into the connector using the locking devices as levers by
5. Push the tabs firmly against the front panel of the card so they latch to the front lip
6. Observe the red LED on the MISP faceplate.
7. Repeat steps 1 through 6 for each MISP requiring installation.
Removing the MISP
Perform the following steps to remove the MISP.
ISDN Basic Rate Interface Installation and Commissioning
locking devices and lift the tabs out and away from the card.
guides in the module.
pushing them toward the card's front panel.
in the module and to the post on the card.
• If the red LED lights and stays lit continuously without flashing three times, the
card is defective. Remove the MISP, choose a new MISP, and repeat the
installation procedure.
• If the red LED lights, flashes three times, and turns off, the MISP is operating
correctly and is configured and enabled. Go to step 7.
• If it lights, flashes three times, and stays lit continuously, the MISP is operating
correctly but is not configured and enabled. Go to step 7.
MISPs
March 2011
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