Appendix D LEDs

Port LEDs

Table D-3

Power Supply LED Indicators for the Cisco Nexus 2148T (continued)

 

 

 

 

Condition

 

INPUT OK LED Status (Green)

OUTPUT OK LED Status (Red)

 

 

 

Power supply warning events where the

Off

Blinking

power supply continues to operate

 

 

(high temperature, high power, and

 

 

slow fan)

 

 

 

 

 

 

AC present and power supply unit off

Blinking

Off

 

 

 

Power supply On and OK

On

Off

 

 

 

 

Port LEDs

This section includes the following topics:

Ethernet Port LEDs, page D-4

Ethernet and Fibre Channel LEDs, page D-4

Ethernet Port LEDs

Table D-4lists the LED descriptions for the RJ-45 Ethernet port LEDs.

Table D-4

Ethernet Port LED Descriptions

 

 

 

 

 

LED

 

Status

Description

 

 

 

 

Left

 

Off

No link

 

 

 

 

 

 

Solid green

Physical link

 

 

 

 

Right

 

Off

No activity

 

 

 

 

 

 

Blinking green

Activity

 

 

 

 

Ethernet and Fibre Channel LEDs

There are 20 to 26 port activity LEDs on the FEX depending on whether the module is a Fibre Channel or 10-Gigabit Ethernet module. Table D-5describes the behavior of the port LEDs.

Table D-5 Port-Level LEDs

 

 

 

Link State

LED State

Notes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D-4

 

 

POSTLinkDownfailedonportAMBEROFF

blinkingyellow

OL-19013-05

 

 

Cisco Nexus 2000 Series Fabric Extenders Hardware Insta lation Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 140
Image 140
Cisco Systems 2000 manual Ethernet Port LEDs, Ethernet and Fibre Channel LEDs, Link State LED State

2000 specifications

In the year 2000, Cisco Systems, a leading technology company, was at the forefront of networking and communication solutions. With a rich history of innovation, Cisco solidified its position as a global leader in providing advanced networking technologies, hardware, and software.

One of the most significant features of Cisco in 2000 was its comprehensive portfolio of routers and switches. The company was known for its powerful routers, which were essential for managing internet traffic efficiently. Cisco’s Catalyst series of switches provided high levels of performance and scalability, enabling companies to build robust local area networks (LANs). These devices supported Ethernet technologies and catered to the growing demands of businesses for faster and more reliable connectivity.

In the late 1990s and early 2000s, the internet was experiencing rapid growth, and Cisco capitalized on this surge by introducing technologies that facilitated internet protocol (IP) networking. Its focus on developing IP-based solutions allowed businesses to integrate voice, video, and data services seamlessly over a single network. This was a significant advancement known as convergence, fundamentally changing how organizations approached communication.

Another characteristic of Cisco in 2000 was its commitment to security. As businesses began to increase their reliance on the internet, the risks associated with cyber threats also grew. Cisco developed security solutions such as firewalls and intrusion detection systems to help protect networks from potential attacks. The introduction of the Cisco Secure Network Architecture laid the foundation for comprehensive network security strategies.

Cisco also emphasized research and development, consistently investing in new technologies and innovations. The company was a pioneer in developing optical networking solutions, which enabled faster data transmission over long distances. This was crucial for supporting the growing bandwidth demands of the era.

Furthermore, Cisco’s collaboration with various technology partners and its global presence allowed it to provide customers with tailored solutions to meet diverse needs across different industries. The introduction of certification programs, like the Cisco Certified Network Associate (CCNA), helped create a skilled workforce equipped to deploy and manage Cisco technologies effectively.

In summary, Cisco Systems in 2000 showcased a blend of powerful routing and switching capabilities, a commitment to internet security, and innovative solutions that paved the way for future networking technologies. Its focus on convergence and relentless drive for high-performance networking made it a vital player in the evolving landscape of technology during this period.