Manual:Wireless card diagnostics: Difference between revisions
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[[File:Dc notgrounded.jpg|DC NOT shorted antenna]] | [[File:Dc notgrounded.jpg|DC NOT shorted antenna]] | ||
[[Category:Manual]] | [[Category:Manual|W]] | ||
[[Category:Hardware]] | [[Category:Hardware|W]] | ||
[[Category:Routerboard]] | [[Category:Routerboard|W]] | ||
[[Category:Interface]] | [[Category:Interface|W]] | ||
[[Category:Examples]] | [[Category:Examples|W]] | ||
Revision as of 08:50, 14 April 2010
ESD damage
To test if your R52 or R52H card is malfunctioning due to lightning/storm electrostatic damage, use a multimeter:
Damaged card:
Normal card:
Testing area close-up:
DC shorted antennas
Also make sure that your antenna is DC shorted:
DC shorted antenna. This antenna doesn't need a Coax lightning arrestor:
NOT DC shorted antenna. This antenna needs a Coax lightning arrestor to avoid sudden wireless card damage. Note the OL (Overload) in the multimeter:
