Nokia EM7500 Installation Manual page 101

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General Troubleshooting Information
Problem Encapsulation is not set to LLC/SNAP.
Solution Set encapsulation to LLC/SNAP. Consult your 1483 device
documentation.
Problem The MTU size is not 1500 (for Ethernet interfaces) or 16018 (for
Gigabit Ethernet interfaces).
Solution The MTU size must be 1500 (for Ethernet interfaces) or 16018
(for Gigabit Ethernet interfaces). Nokia does not support larger MTU sizes.
Appliance Not Receiving Power
Problem Power cord is not properly plugged in.
Solution Check cord. Make sure it is properly seated at both ends.
Problem Power supply not providing power.
Solution Check power source. If there is no power at the source, take
appropriate action such as inserting a new fuse or resetting circuit breaker.
Appliance Does Not Recognize New Memory Configuration
Problem DIMMs are not properly seated in DIMM sockets.
Solution Repeat memory installation procedures. Make sure DIMMs are
fully seated in sockets. Be sure DIMMs click into place.
IP390, 105i & 105s Security Platform Installation Guide 101