Cisco 2524 - Router - EN Руководство по устранению неполадок - Страница 3

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Также для Cisco 2524 - Router - EN: Руководство по конфигурации (23 страниц), Руководство по конфигурации (23 страниц), Обзор (10 страниц), Подготовка к установке (19 страниц)

Chassis/Module

ISDN BRI with integrated

NT1 module

1. The Token Ring activity LED is labelled ACT.

2. The Ethernet link LED is for the Ethernet 10BaseT port only; it does not work with the Ethernet AUI port.

3. The U interface is from the wall jack (telco interface) to the NT1 device.

4. The S/T interface is from the ISDN port on the module to the microprocessor.

Running Diagnostic Tests

If you have the fractional T1/T1 module, you can use external test equipment with the

monitor jack labeled OUT to monitor signals coming into the RJ-48C port, without

interrupting normal data transmission. You can use the monitor jack labeled IN to inject

data, which would interrupt normal data transmission.

For information on technical support, onsite service, and exchange and repair services, refer

to the Cisco Information Packet publication that shipped with your router.

LED

State

Blinking

once per

second

Blinking

eight times

per second

Off

Troubleshooting the Cisco 2524 and Cisco 2525 Routers B-3

Description

The ISDN connection at the U interface is up, and the

internal S/T interface is coming up. If this state

persists, the ISDN port is either not configured or it is

configured incorrectly.

The ISDN connection at the U interface is coming up.

The router is not detecting the ISDN link integrity

signal. An ISDN connection has not been established.

Check the BRI cable connection.

Running Diagnostic Tests