Status LEDs

Two banks of status LEDs on the EtherSpeed module correspond to the port numbers on the module (see Figure 2). Each fiber port has a correspondingly numbered LED.

100 Mb/s fiber port LEDs

9 1 2 3 4

ETHERSPEED 10/100

10 5 6 7 8

938EA

Figure 2. EtherSpeed 10BASE-T/100BASE-FX Switch Module LEDs

Each numbered LED turns on, turns off, or blinks to indicate link status and/or data activity as described in Table 1.

Table 1. EtherSpeed LED definitions

LED State

Meaning

 

 

Turns on

Port is enabled from network management, and a cable is attached.

Blinks

Data is being transmitted or received.

On (steady, not blinking)

Port detects link pulses from the other end, but there is no data.

 

 

3

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Nortel Networks 00BASE-FX manual Status LEDs, EtherSpeed LED definitions, LED State Meaning
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00BASE-FX specifications

Nortel Networks 00BASE-FX is a well-known fiber optic technology that played a pivotal role in the evolution of networking during the late 20th century. As a part of the 100BASE-FX standard, it utilizes multimode fiber optic cables to achieve high-speed data transmission essential for modern telecommunications. The standard amount of bandwidth operates at 100 Mbps, serving as a reliable backbone for various networks.

One of the main features of 00BASE-FX is its usage of light as a transmission medium. This medium significantly benefits data integrity and transmission distance compared to traditional copper cables. With 00BASE-FX, the maximum transmission distance can reach up to 2 kilometers (about 6,600 feet) using multimode fiber, which is particularly advantageous in campus environments or large buildings.

Technologically, 00BASE-FX employs a dual-fiber system where two strands of fiber are utilized—one for sending data and the other for receiving it. This approach reduces the risk of signal degradation and enhances overall performance. The technology operates over an 850 nm wavelength, and its use of inexpensive multimode fibers helps to minimize infrastructure costs while maximizing performance.

Another notable characteristic of 00BASE-FX is its compatibility with various networking protocols and devices. This versatility allows for seamless integration into existing network topologies, ensuring that organizations can leverage their current investments while upgrading their technology. Furthermore, 00BASE-FX is an ideal choice for local area networks (LANs) that require robust bandwidth and low latency to support high-demand applications including video conferencing, VoIP, and data-intensive tasks.

In summary, Nortel Networks 00BASE-FX plays a significant role in fiber optic communications, providing organizations with high-speed, reliable networking solutions. Its combination of high data rates, long transmission distances, and compatibility with existing systems positions it as a robust option for modern telecommunications needs. As industries continue to evolve, technologies like 00BASE-FX remain fundamental in supporting the increasing demand for faster and more efficient data transmission. Its legacy is reflected in the ongoing advancement and adoption of fiber optic technologies across the globe.
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