User guide

Radiance 1000Mbps Redundant Interface Line Cards 9
DIP
Switches
MAIN
(Port 1)
SECONDARY
(Port 3)
PRIMARY
(Port 2)
54
32
1
SONR
TX
AUTO
LINK
LLCF
6
RED
Switch Name Position Operation
LINK* UP Link signals are sent out on both the PRIMARY and
SECONDARY ports.
DOWN Link signals are sent out on the active port only.
(default) Note: The TX switch is ignored in this setting.
LLCF UP Link Loss Carry Forward (LLCF) or Copper Loss Carry
or Forward (CLCF) is enabled.
CLCF**
DOWN Link Loss Carry Forward or Copper Loss Carry Forward
(default) is disabled.
RED UP Operates in Dynamic Recovery Mode. If the primary link
(default) fails and the secondary link is present, the SECONDARY
port will become active.
When SONAR is enabled, if the PRIMARY port loses
activity and activity is detected on the SECONDARY
port, then the SECONDARY port will be the active port.
DOWN Operates in Network Select Mode. Use the RESET push
button to toggle between PRIMARY and SECONDARY.
Use the AUTO switch to set the initial active port on
power up. Up is SECONDARY and down is PRIMARY.
* LINK is not applicable to the R752-11.
** The R752-SS supports LLCF; the R752-1S supports CLCF; and the switch is not applicable to the
R752-11.