Verifying and Troubleshooting the Installation

Table 17 Status LED Descriptions

LED

Color/Activity

Description

 

 

 

LINK

Green

• A signal is detected.

 

 

• There is RX synchronization.

 

 

• The GBIC or SFP module is inserted and has no fault conditions.

 

 

• The line card is connected to another functioning Gigabit Ethernet interface

 

 

and has received comma-detect characters.

 

 

 

 

Off

• Loss of signal (LOS). Occurs when the signal is lost at the optical input. For

 

 

example, removing a GBIC or SFP or removing a cable causes both an LOS

 

 

and a loss of synchronization.

 

 

• Loss of RX synchronization. Occurs when the receiver cannot detect

 

 

commas. For example, removing the local RX cable or the remote TX cable

 

 

will cause loss of synchronization.

 

 

• Invalid word received. To maintain receiver alignment and synchronization,

 

 

the receiver looks for a unique detectable code-bit pattern. An invalid word

 

 

condition occurs because the receiver detects an incorrect or unsupported

 

 

character or sequence of characters, resulting in a loss of synchronization and

 

 

a link down condition.

 

 

 

ACTIVE

Green

• When the line protocol is up. For example, you enter a no shutdown

 

 

command as part of the interface configuration.

 

 

• During the line card hardware initialization sequence.

 

 

 

 

Off

• The line is down because of a link failure or problem with the GBIC or SFP

 

 

module.

 

 

• Hardware initialization fails.

 

 

• The line card interface is shut down, because a GBIC or SFP module was

 

 

removed and replaced or was administratively shut down. Note that a newly

 

 

inserted line card is designated administratively down, so the Active LED for

 

 

the interface remains off until the interface is configured. The Active LED on

 

 

the line card does not go on until you configure the line card interface (or turn

 

 

the interface on if it was shut down). As an operational check, you can verify

 

 

that the card is receiving power by looking at the alphanumeric display

 

 

LEDs, which go on when a line card is inserted correctly into the chassis and

 

 

is powered on.

 

 

 

RX FRAME

Green

Packets are being received on this interface.

 

 

 

 

Off

Packets are not being received on this interface.

 

 

 

Alphanumeric LEDs

Ethernet line cards have two four-digit alphanumeric LED displays at one end of the faceplate, near the ejector lever, that display a sequence of messages indicating the state of the card. In general, the LEDs do not turn on until the RP recognizes and powers up the card. As it boots, the line card displays a sequence of messages similar to those in Table 18.

Note It is normal for some displayed messages to appear too briefly to be read. Also, some messages listed in Table 18 and Table 19 may not appear on your line card.

Cisco XR 12000 Series Router Ethernet Line Card Installation

60

OL-7861-01

 

 

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Cisco Systems XR 12000 Series specifications Alphanumeric LEDs, Color/Activity Description
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XR 12000 Series specifications

The Cisco Systems XR 12000 Series routers are designed to meet the demands of modern networking environments, ensuring high performance, scalability, and reliability for service providers and large enterprises. This series is engineered to deliver advanced features that facilitate a range of applications, including core routing, edge services, and data center interconnect.

One of the main features of the XR 12000 Series is its advanced routing capabilities. These routers utilize the Cisco IOS XR software architecture, which provides a modular and distributed operating system. This architecture enhances system reliability as individual processes can be restarted independently without affecting overall system operations. As a result, service providers can achieve higher uptime and enhanced service continuity.

The XR 12000 Series supports a robust set of technologies that enable efficient data handling and transport. Notably, the series includes support for Multiprotocol Label Switching (MPLS), which enhances traffic engineering, distributed bandwidth management, and Quality of Service (QoS) capabilities. This makes the XR 12000 a preferred choice for operators looking to optimize their network performance under increasing traffic loads.

Furthermore, the XR 12000 Series excels in scalability. With a flexible modular design, operators can customize their systems to fit specific needs by adding additional line cards or service modules. These enhancements enable operators to scale both up and down based on fluctuating demands, accommodating numerous high-bandwidth applications such as video streaming, cloud services, and IoT.

Security is another critical characteristic of the XR 12000 routers. Built-in cybersecurity features, including secure boot, strong encryption, and integrity checks, protect against unauthorized access and ensure data integrity. Coupled with advanced monitoring and logging capabilities, these routers can help operators maintain robust security postures.

Additionally, the XR 12000 Series is designed to facilitate seamless integration with existing network infrastructures. The routers support various protocols and interfaces, which ensure interoperability with legacy systems and enhance overall network efficiency. This flexibility allows service providers to future-proof their investments while adapting to evolving technological landscapes.

In summary, the Cisco XR 12000 Series routers stand out for their advanced routing capabilities, scalability, robust security features, and compatibility with modern and legacy network infrastructures. These attributes make them an ideal choice for organizations seeking to enhance their networking capabilities in a rapidly changing digital environment.
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