System States 5-3

Table 5-1CoreBuilder System States

 

 

 

 

10BASE-T

Service Port

Control

 

Power

Fail

Activity

Status

Status

Terminal Status

System State

(green)

(red)

(yellow)

(green)

(green)

(green)

 

 

 

 

 

 

 

Power-on

On

Off

On

On

Flashing

Flashing

 

 

 

 

 

 

 

Normal operation

On

Off

Flashing

On

On

On

 

 

 

 

 

 

 

Hardware fault

On

On

Off

Off

Off

Off

 

 

 

 

 

 

 

Software fault

On

Off

Not

Undetermined

Undetermined

Undetermined

 

 

 

flashing

 

 

 

 

 

 

 

 

 

 

No power to unit

Off

Off

Off

Off

Off

Off

 

 

 

 

 

 

 

The following table also provides information about the LED display of system states but is organized by system status LED.

Table 5-2Description of Switching Module LEDs

LED

Color

Description

Source

 

 

 

 

PWR (Power)

Green

DC power input active.

Hardware

ACT (Activity)

Yellow

Should blink continuously when

Software

 

 

operational.

 

FAIL

Red

CPU failure.

Hardware

 

 

 

CPU or

 

 

 

Watchdog

10BASE-T

Green

10BASE-T link OK. The Ethernet link is

Hardware

STATUS

 

active.

Ethernet

 

 

 

controller

SERVICE PORT

Green

RS232 service port link OK – should be

Software

STATUS

 

blinking during power on.

 

CONTROL

Green

RS232 control terminal port link OK –

Software

TERMINAL

 

should be blinking during power on.

 

STATUS

 

 

 

 

 

 

 

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3Com DUA3700-0BAA04 manual 10BASE-T, Color Description Source

DUA3700-0BAA04 specifications

The 3Com DUA3700-0BAA04 is an advanced multi-service access device designed to cater to the needs of enterprises that require versatile connectivity solutions. As businesses evolve and expand, the demand for efficient, robust communication networks grows. The DUA3700-0BAA04 meets this need by providing a flexible architecture capable of supporting various types of network services, including data, voice, and video over IP.

One of the standout features of the DUA3700-0BAA04 is its support for both Ethernet and TDM (Time Division Multiplexing) technologies. This dual capability allows businesses to seamlessly integrate legacy systems with state-of-the-art IP networks, ensuring a smooth transition in upgrading communication infrastructures. The device supports a wide range of interfaces, making it suitable for diverse operational environments.

Equipped with powerful processing capabilities, the DUA3700-0BAA04 ensures high-performance operation, even under heavy loads. It employs advanced Quality of Service (QoS) mechanisms, enabling prioritization of voice and video traffic. This is crucial for maintaining call clarity and ensuring that video conferencing runs smoothly, providing users with a superior experience.

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Management and troubleshooting are simplified with a user-friendly interface that provides clear diagnostics and monitoring capabilities. This allows IT teams to maintain the network effectively and respond quickly to any issues that arise.

In summary, the 3Com DUA3700-0BAA04 combines versatility, performance, and security in a single device. Its comprehensive feature set, advanced technologies, and scalability make it an ideal solution for businesses looking to optimize their communication networks as they adapt to the demands of a dynamic market. This device not only facilitates current operational requirements but also positions organizations for future growth and innovation.