Nortel Networks 1000BASE-LX BayStack 420-24T Switch, Troubleshooting LED display panel, 209418-A

Models: 1000ASE-XD 1000BASE-ZX 1000BASE-SX 1000BASE-LX

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174Chapter 4 Troubleshooting

174Chapter 4 Troubleshooting

Figure 78 LED display panel

BayStack 420-24T Switch

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10/100 Link Activity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HDX/FDX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Base

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12/100 Link Activity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HDX/FDX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Unit Set

 

 

 

 

9991EA

Table 42 BayStack 420 Switch LED descriptions

 

 

 

 

 

Label

Type

Color

State

Meaning

 

 

 

 

 

Power

Power status

Green

On

DC power is available to the switch’s internal circuitry.

On

 

 

 

 

 

 

Off

No AC power to switch or power supply failed.

 

 

 

 

 

 

 

 

Cascade

Stack mode

 

Off

The switch is in standalone mode.

Up

 

 

 

 

 

 

 

 

 

 

 

Green

On

The switch is connected to the upstream unit’.

 

 

 

 

 

Cascade

Stack mode

 

Off

The switch is in standalone mode.

Down

 

 

 

 

 

Green

On

The switch is connected to the downstream unit.

 

 

 

 

 

 

 

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

 

Due to a stacking error the unit is unable to maintain the

 

 

 

 

stack connection.

 

 

 

 

 

10/100

10/100 Mb/s

Green

On

The corresponding port is set to operate at 100 Mb/s, and

Link/

port speed

 

 

the link is good.

indicator

 

 

 

Activity

Amber

On

The corresponding port is set to operate at 10 Mb/s, and

 

 

 

 

 

 

 

the link is good.

 

 

 

 

 

 

 

 

Off

The link connection is bad, or there is no connection to

 

 

 

 

this port.

 

 

 

 

 

209418-A

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Nortel Networks 1000BASE-LX, 1000BASE-SX, 1000ASE-XD BayStack 420-24T Switch, Troubleshooting LED display panel, 209418-A