User`s guide

Adding/Swapping Modules and Maintenance
8-3
3. Remove the installed interface module by pulling gently but
firmly on the “ears” at the ends of the module's front panel.
4. Gently slide the new module into the plastic guides in the
module slot until it is completely inserted.
5. Push the module firmly into place, as far as it will go, to fully
engage the connectors at the back of the module with the
backplane at the rear of the ATX chassis.
6. Tighten the screws on each side of the interface module's front
panel.
7. Connect the module to the network as described in the
manual that accompanied the module.
8. Bring the module online using LCM or an NMS if you took it
offline using LCM or an NMS.
8.3 MAINTENANCE
You may need to check the fuse in your ATX or to clean the filters
on the fan. Those procedures are described in the sections that
follow.
8.3.1 Power Fuse
Each power supply contains a 6.3 ampere 250 V slow-blow fuse,
located immediately above the three-prong power input connector
on the back of the ATX. If you think this fuse may have blown,
inspect it for visible damage and/or replace it. In most cases, any
damage to the fuse will be readily apparent (e.g., shattered fuse,
blackened glass, broken fuse element). If you see no damage but
suspect a fuse problem, try replacing the fuse.
Warning: Do not remove the fuse from the ATX while power is applied
to the unit.
To access the fuse: