2. Troubleshooting System Failures

2.2.2Isolating Failures on External Power Unit

If the external power unit fails, follow the steps below to isolate the failure.

Table 2-5: Isolating Failures on External Power Unit

No.

Failure

 

Action

 

 

 

1

POWER LED on the external power unit is lit in

Check LED on the power module mounted on the external power unit

 

green

and identify the power module that is not normally running. If the power

 

 

module is normally running, the states below are provided.

 

 

•

EPU-A:

 

 

 

DC-OK: Lit in green, DC-ALM: OFF

 

 

•

EPU-B:

 

 

 

DC-OK: Lit in green, DC-FAIL: OFF, AC-OK: Lit in green

 

 

For the power module that is not normally running, implement "Table

 

 

2-7: Isolating Failures on Power Module."

 

 

 

2

POWER LED on the external power unit is OFF

Follow the steps in "Table 2-6: Isolating Failures on External Power

 

 

Unit (Main Body)."

 

 

 

 

Table 2-6: Isolating Failures on External Power Unit (Main Body)

No.

Failure

 

Action

 

 

 

1

Power switch on the external power unit is OFF

Turn on the power switch.

 

 

 

 

2

Power cable of the external power unit is not

1.

Turn off the power switch.

 

correctly connected to the system

2.

Connect the power cable correctly.

 

 

3.

Turn on the power switch.

 

 

 

3

Input power to the external power unit is out of the

Ask the system administrator to take the action because of the failure on

 

range below

the power supply facility (i.e. not the failure on this system).

 

(AC power supply: 90 to 132V)

 

 

 

 

 

4

Other than 1 to 3 above

Replace the external power unit.

 

 

 

 

Table 2-7: Isolating Failures on Power Module

No.

Failure

 

Action

 

 

 

1

Power switch on the power module is OFF

Turn on the power switch on the power module.

 

 

 

 

2

Power cable of the power module is not correctly

1.

Turn off the power switch on the power module.

 

connected to the system

2.

Connect the power cable correctly.

 

 

3.

Turn on the power switch on the power module.

 

 

 

 

3

Power module is not correctly mounted on the

1.

Turn off the power switch.

 

external power unit

2.

Mount the power module correctly.

 

 

3.

Turn on the power switch.

 

 

 

4

Other than 1 to 3 above

Replace the power module.

 

 

 

 

17

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Image 79
NEC IP8800/S6300, IP8800/S6600 Isolating Failures on External Power Unit Main Body, Isolating Failures on Power Module
Page 78 Page 80

IP8800/S6700, IP8800/S3600, IP8800/S6600, IP8800/S6300, IP8800/S2400 specifications

The NEC IP8800 series comprises a range of advanced networking solutions designed for various applications ranging from enterprise networking to service provider environments. This series includes models such as the IP8800/S2400, IP8800/S3600, IP8800/S6300, IP8800/S6600, and IP8800/S6700, each with its unique set of features and capabilities aimed at delivering robust performance, security, and scalability.

The IP8800/S2400 is an entry-level switch tailored for small to medium enterprises. It features a compact design and high port density, making it ideal for network edge applications. The model supports both Layer 2 and Layer 3 switching capabilities, enabling efficient traffic management. With its robust security features, including access control lists and support for VLANs, the IP8800/S2400 ensures secure connectivity.

Moving to the IP8800/S3600, this switch is designed for data center environments and offers high throughput with advanced routing capabilities. It is equipped with high-capacity 10G and 40G Ethernet ports, facilitating faster data transfer rates. The S3600 supports various protocols such as MPLS and Segment Routing, enhancing its ability to manage complex network architectures. Its energy-efficient design also helps reduce operational costs.

The IP8800/S6300 is tailored for high-performance networking scenarios, featuring a flexible architecture that supports both traditional and cloud-based services. With extensive QoS capabilities, the S6300 optimizes traffic flow and manages bandwidth efficiently, ensuring high-quality service delivery. Its virtualization support allows for easier integration into modern, software-defined networking environments.

The IP8800/S6600 provides a comprehensive solution for service providers and large enterprises, boasting high scalability and modularity. This model supports advanced features such as network slicing and the ability to handle high-density 100G interfaces. Its robust management tools, including centralized control and automation capabilities, simplify network operations significantly.

Finally, the IP8800/S6700 represents the pinnacle of the series, designed for mission-critical applications requiring the utmost reliability and performance. It supports advanced analytics, AI-driven insights, and comprehensive telemetry, enabling proactive network management. With high availability features and extensive redundancy options, the S6700 ensures continuous operation, making it ideal for core network functions.

In summary, the NEC IP8800 series offers a versatile range of switches that combine advanced technologies, high performance, and robust security features, catering to various networking needs across different industries. Each model is designed to provide not only superior connectivity but also the flexibility and scalability required in today’s fast-paced digital landscape.
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