Table

4-1

(Page 2

of 2).

Problem Determination Using Port Status LEDs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Status

LED

 

Port

Status

Possible

 

 

 

 

Corrective

Action

 

 

 

 

 

 

 

 

 

 

 

 

Cause

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blinking

 

Enabled

No

connector

 

isAttach

a

connector

to

the

port,

 

 

 

 

 

attached

to

theor ensure that there is a device

 

 

 

 

 

port,

 

or

thereat isthe

end of

the

connection.

 

 

 

 

 

 

no

device

at

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the

end

of

 

the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connection.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable

 

attached1)

Change

the

cable.

 

 

 

 

 

 

 

 

 

to the port is2) Perform wrap tests to

 

 

 

 

 

 

 

faulty.

 

 

determine

the

failing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

component.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3) Check the cable type.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remote

station Check the

remote

station.

 

 

 

 

 

 

 

attached

to

 

the

the station

is

turned

OFF,

turn

 

 

 

 

 

port

 

 

 

 

If

 

 

 

 

 

is either

the

station. If

the station

is

 

 

 

 

 

turned

OFF

 

 

ON

 

 

 

 

 

or

 

 

 

restart

the

 

 

 

 

 

 

 

inoperational.

 

inoperational,

 

 

 

 

 

 

 

 

application

that

is

running

on it.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Maximum

link

 

 

See

Table 2-3

on

page 2-12

for

 

 

 

 

 

 

distance

 

 

the maximum distances for valid

 

 

 

 

 

 

exceeded.

 

connections.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-4 25 Mbps ATM Module - Installation and User's Guide

Page 51 Page 53
Page 52
Image 52
3Com 6412M-25-TP manual Port Status, Action
Page 51 Page 53

6412M-25-TP specifications

The 3Com 6412M-25-TP is a powerful and robust networking solution tailored for small to medium-sized businesses and enterprises looking to enhance their network infrastructure. This Layer 2 managed switch is designed to facilitate efficient data communication while providing a variety of features that ensure optimal performance and security.

One of the main features of the 3Com 6412M-25-TP is its support for up to 24 10/100 Mbps Ethernet ports, enabling high-speed connections for multiple devices. Additionally, it provides two Gigabit Ethernet uplink ports, allowing for seamless integration with high-bandwidth applications and better connectivity options. The switch is particularly praised for its ability to handle heavy traffic loads while maintaining low latency, making it suitable for environments requiring reliable and fast data transmission.

In terms of technologies, the 3Com 6412M-25-TP employs advanced switching capabilities, which help in forwarding data efficiently within the network. It features support for VLANs (Virtual Local Area Networks), allowing network administrators to segment traffic and improve security. This ability also enhances broadcast control and aids in managing network congestion. Quality of Service (QoS) features further refine traffic management by prioritizing critical applications, ensuring that latency-sensitive services, such as VoIP and video conferencing, receive the bandwidth they need.

Another notable characteristic of the 3Com 6412M-25-TP is its user-friendly web management interface, which facilitates straightforward configuration and monitoring of the switch. This interface enables administrators to manage settings efficiently, track performance, and diagnose issues in real-time. Additionally, the switch supports SNMP (Simple Network Management Protocol), providing further options for network management and monitoring via external software solutions.

With a compact design, the 3Com 6412M-25-TP can be easily integrated into existing network setups without requiring excessive space. Its reliability and performance make it a trustworthy choice for businesses aiming to bolster their network capabilities. The combination of speed, management features, and security makes the 3Com 6412M-25-TP a valuable and versatile addition to any organization's networking arsenal.
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