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84 Appendix B MIBs
Table 27
Uplink redundancy table
Object
Access
automatic
RW
switching
active port
RW
primary port
RW
port A status
RO
port B status
RO
alarm status
RO
241-5101-201 R2.2
Definition
Determines the switching method between the uplink ports.
enabled: The Passport 8250 attempts to select the primary port if a
signal is present on this port. If not, the Passport 8250 switches to the
secondary port. To return to the primary port, you modify the active
port parameter.
disabled: The uplink port is directly controlled by setting the active
port parameter to the desired port.
Displays the current uplink port.
automatic switching disabled: parameter selects the uplink port to
be used by the Passport 8250.
automatic switching enabled: parameter forces the Passport 8250
to switch back to the primary port after an automatic switch to the
secondary port.
Select which of the two uplink ports is designated as the primary port.
automatic switching enabled: Determines which port the Passport
8250 attempts to use first.
The current status of port A uplink port.
signal detected: Signal detected on uplink port A.
loss of signal: Signal not detected on the uplink port A.
The current status of port B uplink port.
signal detected: Signal detected on uplink port B.
loss of signal: Signal not detected on the uplink port B.
The current status of the alarms on the uplink port.
no alarm: Signal detected on the primary port.
minor alarm: Signal not detected on the primary port and the
secondary port is the active port.
major alarm: when automatic switching, the signal is not detected on
both ports.
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