CANOGA PERKINS 9120 Gigabit Ethernet Media Converter - Manual (Page 14)

Canoga Perkins
9120 Gigabit Ethernet Media Converter 2-4
2.3.3 Configuring the Fault/Forwarding DIP Switch
The 9120 includes a four-position DIP switch that must be configured for correct Link Loss and
Canoga Remote Fault routing. This switch is on the front of the unit (Reference Figure 9):
Figure 10. Fault Forwarding DIP Switch.
From left to right, the switch configuration is:
RMTF (Remote Fault): Canoga-specific Remote Fault feature (Extension Port Only).
Enable = On
Disable = Off
This feature is used typically when two 9120’s are connected in
series. LLE must be disabled for this feature to be active.
LLF (Link Loss Forward): Enables or Disables Link Loss Forwarding.
Enable = On
Disable = Off
The direction of fault propagation is determined by the DIR switch
setting.
DIR (LLF Direction): If LLF is ON, the DIR switch controls the direction of error
propagation.
DIR ON = Extension to User OFF = User to Extension
If LLF is OFF, switch is ignored.
LLE: (Link Loss Echo): Link-down propagation to non-Canoga connected devices (Extension
Port Only).
Enable = On / Disable = Off.
If a link down is encountered on the Extension port, the Tx
Extension port will be disabled. Link Loss Echo configures the 9120
to not send data until data is received. Therefore, Link Loss Echo
should not be used in series with another 9120 that has LLE
enabled.
Note: LLE cannot be used in conjunction with RMTF.