Cisco Systems IC-23 Manual de usuario descargar pdf (Pagina 35)

Configuring LAN Interfaces

Configuring a LAN Extender Interface

IC-57

Cisco IOS Interface Configuration Guide

For more complete network troubleshooting information, refer to the Troubleshooting Internetworking

Systems publication.

SYSTEM OK On Steady Lights when the unit passes the power on diagnostics. This

indicates proper operation.

Blinking Blinks while running startup diagnostics, then goes on

steady.

Blinking after the start-up diagnostics indicates that a

system error has been encountered. Contact your system

administrator who will have you disconnect and then

reconnect the power to recycle your LAN Extender. If the

blinking continues, check your WAN connection and the

RX and TX LEDs.

Off An error condition has occurred. Contact your system

administrator who will ask you to disconnect the power

cord and then reconnect it to re-establish power to your

LAN Extender.

LED Condition Meaning

ISDN B1and

ISDN B2

Flicker The serial line is transmitting and receiving packets

normally.

Blinking A line fault has been detected. The LEDs will go on for

several seconds and then they will blink a certain number

of times to indicate a particular error. The LEDs will blink

at a rate of one to two blinks per second. The following are

the errors that can be encountered:

1 blink = The serial line is down.

2 blinks = No clock signal was received.

3 blinks = An excessive number of cyclic redundancy

check (CRC) errors has been received.

4 blinks = The line is noisy.

5 blinks = A loopback condition has occurred.

6 blinks = The PPP link has failed.

Contact your system administrator.

LAN TX and

LAN RX

Flicker The Ethernet LAN connection is transmitting and receiving

data normally.

COLLISION Detects data collisions.

LINK OK Steady Indicates that the serial link is up and functioning.

Table 4 LED Trouble Indicators (continued)

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 45 46

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Cisco Systems IC-23 Manual de usuario Pagina 35

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