Cisco 7300-6T3 Spezifikationen PDF herunterladen (Seite 19)

1-7

OC12 Packet Over SONET Line Card Installation and Configuration

OL-3437-01

Chapter 1 Overview

LEDs

Alarms

A yellow CARRIER/ALARM LED indicates the presence of an alarm condition. Table 1-3 lists the

alarm conditions that might be present. Use the show controllers command to show the specific alarm

condition.

CARRIER/ALARM Green/Yellow Green Indicates that a valid SONET signal has been

detected with no alarm conditions.

Yellow Indicates that an alarm condition is present. See

Table 1-3 for alarm definitions.

Off No valid SONET signal has been detected.

ACTIVE/

LOOPBACK

Green/Yellow Green Indicates that the port has been configured and is

enabled.

Yellow Indicates that the port is in diagnostic loopback

mode.

Off Indicates that the port has not been configured.

Table 1-2 OC12 POS Line Card LEDs (continued)

LED Label Color State Function

Table 1-3 Alarm Definitions

Alarm Definition

Section

LOF loss of frame

LOS loss of signal

BIP(B1) Bit Interleaved Parity N

Line

AIS alarm indication signal

RDI remote defect indication

FEBE far end block error

BIP(B2) Bit Interleaved Parity N

Path

AIS alarm indication signal

RDI remote defect indication

FEBE far end block error

BIP(B3) Bit Interleaved Parity N

PLM Path Payload Label Mismatch

UNEQ Path Unequipped

TIM Trace Identifier Mismatch

TIU Trace Identifier Unstable

LOP loss of pointer

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