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Alcatel-Lucent
3.4 Protection Fuse
The OA5725A router family has an internal protection fuse incorporated with the aim of preventing damage to the
device and to the surrounding area
The following image shows where the protection fuse is located (F1).
Protection Fuse
Fig. 10:
In cases where the device is not functioning, please check that the fuse is correctly installed and has not blown.
Warning
The fuse must have the characteristics indicated by Alcatel-Lucent.
3.5 Microswitches
The OA5725A routers have a block of 8 microswitches available that are used for maintenance and test tasks. In this
case, they are only used to load the default configuration.
This block of microswitches can be found inside the OA5725A routers. You need to remove the top casing in order to
handle them.
These switches should not be handled by the user other than to establish the default configurations.
Note
In order for the device to operate correctly, all the microswitches must be in the OFF position.
3.5.1 Procedure to ignore the configuration
The following steps should be carried out if you have to discard the whole configuration of the device (for instance, if
you cannot remember the password).
• Turn off the device through the ON/OFF switch.
• Using a screwdriver, move microswitch '5' to the ON position.
OA5725A Router
3 Components and Power Supply
13
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