Perle Systems 5500305-20 - Manual (Page 9)

Gigabit Media Converter Module – Installation Guide
9
setting on the Media Converter Module should match the
capabilities of the far end device.
Loopback (Switch 6)
Switch Position Mode
Up (default) Disabled
Down Enabled
Disabled: The loopback feature is disabled. This is the normal
position for regular operation. The switch must be set to this
position in order for data to pass through the Media Converter
Module.
Enabled: This is a test mode. All data received on the receive
(RX) fiber connection is looped back to the transmit (TX) fiber
connection. The state of the copper is not relevant and no data or
link status is passed through to the copper side.