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Perle SMI Media Converter Guide
17
Troubleshooting
General
• Ensure power is supplied to the Media Converter – use
of the supplied power adapter is highly recommended.
• Ensure that the Media Converter Module and MCR-MGT
Management Module are securely seated in the chassis
See Adding or Removing Modules.
• Ensure both devices on either end of the fiber are
compatible. If using a simplex fiber connection, ensure
that you have both an Upstream (U) and Downstream
(D) Media Converter.
• Ensure all cabling is of the correct type and is in good
working order.
• For duplex fiber connections, ensure the RX and TX has
been reversed between the two Media Converters.
No connectivity
Refer to the media converter guide that came with your SMI
Media Converter.
Loopback Mode
The fiber connection can also be verified by configuring the
SMI Media Converter for loopback mode. Refer to the Media
converter guide that came with your SMI Media Converter
for DIP switch setup.
MCR-MGT “PWR” LED is OFF
Ensure that the management module is inserted into the
chassis correctly. See Adding or Removing Modules.
Ensure that the MCR Chassis is connected to an external
power source.