3

Troubleshooting

Refer to Table 3-1for a checklist of problems and recommended actions to resolve the problem. If additional support is needed, refer to “Getting Help” on page x.

Table 3-1 Troubleshooting Checklist

Problem

Recommended Action

 

 

Unit is plugged into the Enterasys

Verify the use of a good AC cable with a good

Mid-Span Power Hub, but main power

ground connection.

indicator is “off.”

Verify that the AC is “hot” and that voltage is from

 

 

100 VAC to 264 (50 Hz to 60 Hz).

 

For the 20-port or 10-port Mid-Span Power Hub, if

 

the internal fan is working, there may be an internal

 

circuitry fault or an internal voltage is out of

 

specification. If the fan is not working, there may be

 

an internal power supply fault.

 

 

Unit is plugged in and running, but the

Verify that all fan openings are clear.

20-port or 10-port Mid-Span Power Hub

Verify that the metal case is not damaged.

fans are not working.

Verify that there are no loose parts inside the Mid-

 

 

Span Power Hub.

 

Product Considerations:

 

BL-89500ENT, BL-89400ENT, BL-89700ENT Series

 

If needed, check and replace fuse F1, with a

 

2.0 A rated fuse

 

BL-89600ENT Series

 

If needed, check and replace fuse F3, with a

 

2.0 A rated fuse

 

 

Unit is plugged into the 20-port or 10-port

Verify that the unit (BL-89500ENT, BL-89400ENT,

Mid-Span Power Hub and running, but fails

BL-89700ENT or BL-89600ENT) is electrically

when a PoE client is installed.

insulated from ground (ground-isolated).

No power is supplied to PoE client.

Using an insulated bracket and nylon washers/

 

screws may be necessary.

Mid-Span Power Hub 20-Port and 10-Port User’s Guide 3-1

Page 21
Image 21
Enterasys Networks BL-89520ENT, BL-89720ENT, BL-89620ENT manual Troubleshooting Checklist Problem Recommended Action

BL-89420ENT, BL-89520ENT, BL-89620ENT, BL-89720ENT, BL-89710ENT specifications

Enterasys Networks, a provider of secure networking solutions, offers a range of high-performance networking devices designed to meet the needs of modern data-intensive environments. Among their offerings are the BL-89720ENT, BL-89520ENT, BL-89620ENT, BL-89710ENT, and BL-89420ENT models, which are distinguished by their high scalability, advanced features, and robust performance.

The BL-89720ENT is a cutting-edge switch tailored for enterprise networks that require high throughput and reliability. With its 32 ports, it supports both copper and fiber connections, making it versatile for various deployment scenarios. Key features include layer 2 and layer 3 switching capabilities, advanced Quality of Service (QoS) for traffic prioritization, and comprehensive security features to safeguard sensitive data transmissions.

The BL-89520ENT is another notable model designed for medium to large enterprise networks. This switch provides excellent performance with high-density 10 Gigabit Ethernet ports, ensuring seamless connectivity for bandwidth-hungry applications. It is equipped with intelligent management tools that automate configuration and monitoring, facilitating easy scalability and efficient network management.

The BL-89620ENT is distinguished by its support for Power over Ethernet (PoE), enabling it to power IP phones, cameras, and other devices directly over the network connection. This switch features advanced security protocols and VLAN support, allowing organizations to create segmented networks for improved security and performance.

The BL-89710ENT serves as a reliable solution for organizations seeking cost-effective yet powerful networking options. It offers essential features for layer 2 switching, with options for both PoE and non-PoE configurations, making it adaptable to various environments. Its user-friendly interface simplifies setup and management, ensuring that IT teams can maintain network efficiency.

Lastly, the BL-89420ENT is designed for deployment in environments that require rugged and durable networking equipment. Built for high availability, this model includes features such as fanless operation and wide temperature tolerance, making it ideal for challenging conditions. It supports a range of networking protocols and is well-suited for industrial applications.

In summary, Enterasys Networks’ range of switches, including the BL-89720ENT, BL-89520ENT, BL-89620ENT, BL-89710ENT, and BL-89420ENT, is characterized by high performance, versatility, and advanced management features. These devices are engineered to support the evolving demands of modern enterprises, ensuring connectivity, security, and ease of management in increasingly complex networking environments.