Nortel business policy switch 2000 User Manual page 44

Table 2 Business Policy Switch 2000 LED descriptions (continued)
Label Type
Cas Up Stack mode
Cas Dwn Stack mode
Color State Meaning
Off The switch is in standalone mode.
Green On The switch is connected to the upstream unit's Cascade A
In connector.
Amber On This unit has detected a problem with the switch
connected to the cascade up connector. In order to
maintain the integrity of the stack, this unit has bypassed
its upstream neighbor and has wrapped the stack
backplane onto an alternate path.
Amber Blinking Incompatible software revision or unable to obtain a unit
or ID (Renumber Stack Unit table full). The unit is on the ring
Green but cannot participate in the stack configuration.
Off The switch is in standalone mode.
Green On The switch is connected to the downstream unit's
Cascade A Out connector.
Amber On This unit has detected a problem with the switch
connected to the cascade down connector. In order to
maintain the integrity of the stack, this unit has bypassed
its downstream neighbor and has wrapped the stack
backplane onto an alternate path.
Amber Blinking Incompatible software revision or unable to obtain a unit
or ID (Renumber Stack Unit table full). The unit is on the ring
Green but cannot participate in the stack configuration.
Using the Business Policy Switch 2000 Version 2.0
44