Avaya Web-Based Management for the Business Policy Switch 2000 Uživatelský manuál stáhnout pdf (Strana 48)

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209570-A

Table 10 describes the fields on the Switch View page.

Table 10 Business Policy Switch switch LED descriptions

Label Type Color State Meaning

Pwr Power status Green On DC power is available to the switch’s internal circuitry.

Off No AC power to switch or power supply failed.

Status System status Green On Self-test passed successfully and switch is operational.

Blinking A nonfatal error occurred during the self-test.

Off The switch failed the self-test.

RPSU RPSU status Green On The switch is connected to the RPSU and can receive power if

needed.

Off The switch is not connected to the RPSU or RPSU is not

supplying power.

CAS Up

Stack mode

Off The switch is in standalone mode.

Green On The switch is connected to the upstream unit’s Cascade A In

connector.

Amber On The Cascade A Out connector (CAS Up) for this switch is looped

internally (wrapped to the secondary ring).

CAS Dwn

Stack mode

Off The switch is in standalone mode.

Green On The switch is connected to the downstream unit’s Cascade A

Out connector.

Amber On The Cascade A In connector (CAS Dwn) for this switch is looped

internally (wrapped to the secondary ring).

Base Base mode Green On The switch is configured as the stack base unit.

Off The switch is not configured as the stack base unit (or is in

standalone mode).

Amber On This unit is operating as the stack configuration’s temporary

base unit. This condition occurs automatically if the base unit

(directly downstream from this unit) fails.

If this happens, the following events take place:

The two units directly upstream and directly downstream from

the failed unit automatically wrap their cascade connectors and

indicate this condition by lighting their Cas Up and Cas Dwn

LEDs (see Cas Up and Cas Dwn description in this table).

If the temporary base unit fails, the next unit directly downstream

from this unit becomes the new temporary base unit. This

process can continue until there are only two units left in the

stack configuration.

This automatic failover is a temporary safeguard only. If the stack

configuration loses power, the temporary base unit will not power

up as the base unit when power is restored. For this reason, you

should always assign the temporary base unit as the base unit

(set the Unit Select switch to Base) until the failed unit is repaired

or replaced.

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