10
Installation Guide
R712-11: The table below describes the operational functions of the
DIP switches on the R712-11 line card with SONAR.
Switch Name Position*
Operation
SONR
UP
SONAR is enabled. To properly activate
SONAR, the RED and LINK switches also must
be enabled.
DOWN
SONAR is disabled.
(default)
TX
UP
Transmits data on both the PRIMARY and
SECONDARY ports simultaneously. The LINK
switch must be enabled on both ports.
DOWN
Transmits data on the active port only.
(default)
AUTO
UP
In Network Select Mode (NSM), sets the default
port to SECONDARY.
In Dynamic Recovery Mode (DRM), the active
port automatically reverts back to the PRIMARY
port when the primary link is reestablished. If
SONAR is enabled, activity detection is also
required before the active port reverts back to
PRIMARY.
DOWN
In NSM, sets the default port to PRIMARY.
(default)
In DRM, the active port does not revert back to
the PRIMARY port when the primary link is
reestablished or if activity is detected (SONAR
enabled). Use the RESET push button located on
the front panel to force the active port back to
PRIMARY and to clear the switchover (SW) LED.
Note: The active port reverts back to PRIMARY
if the SECONDARY port has no link or a loss of
activity for two (2) seconds (SONAR enabled)
and the PRIMARY port has a valid link and data.
* When setting DIP switches, the UP position is when the lever of the switch is pushed away from
the circuit board. The DOWN position is when the lever of the switch is pushed toward the board.
