3 troubleshooting – MRV Communications EM316E3 User Manual

Page 15

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Fiber Driver

EM316E3 & EM316E3SF


P/N: 1226006-001, REV_L PAGE 15

3 TROUBLESHOOTING

The Fiber Driver series are highly reliable units. If there are any operating
problems, the fault probably lies in some other aspect of the configuration.
However, if after following the troubleshooting steps below (in order), you
find that the unit is still not functioning correctly, please contact your local
representative.

Review all link LEDs to ensure that those ports you believe should be
functioning are properly attached to a cable.


Verify the correct fiber optic cables are being used, i.e. multi-mode or single
mode.


Review all link LEDs to ensure that those ports you believe should be
functioning are properly configured.


If the suspect ports are not configured properly, re-configure the port
through SNMP management or the Administrative Interface.


Ensure that the equipment attached to this module is configured properly.


Verify that the output power of the fiber optic port(s) is within
manufacturer’s specification for output power, for more information please
see the link below:

ftp://ftp.fiberdriver.com/pub/doc/spec/fiberdriver

Verify that the dB loss of the Fiber cable you are connecting to is within the
dB budget for this module, for more information please see the link below:

ftp://ftp.fiberdriver.com/pub/doc/spec/fiberdriver



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