35 Industrial Way PO Box 5005 Rochester, NH 03867-5005 (603) 332-9400

CUSTOMER RELEASE NOTES

INSTALLATION AND CONFIGURATION NOTES:

In general, the ELH100-12/24TXwill be shipped to you pre-configured with this version of firmware. If you would

like to upgrade an existing ELH100-12/24TX,please follow the TFTP download instructions that are included

with your firmware image upgrade kit. TFTP download instructions are also available on the Cabletron Support web site at: http://www.cabletron.com/support/techtips/tk0020-9.html.

FIRMWARE CHANGES AND ENHANCEMENTS:

Initial Customer Release of Firmware.

KNOWN RESTRICTIONS AND LIMITATIONS:

The following is a known limitation of this release:

Spanning Tree is not supported on the base unit repeated ports nor on the optional switch/media ports. The user is cautioned to understand and avoid configurations that can create a network loop.

Any other problems than those listed above should be reported to our Technical Support Staff.

COMPLIANCE SUPPORT:

Compliance Level

Compliant

Year 2000

YES*

Known Anomalies: None.

*No “Real-Time Clock” is supported with the ELH100-12/24TX Firmware Version 1.00.00.

IEEE STANDARDS SUPPORT:

Standard

Title

IEEE 802.2

Local Area Networks, Logical Link Control (LLC)

IEEE 802.3

CSMA/CD 9 (ISO/IEC 8802-3)

IEEE 802.3I

10Base-T (ISO/IEC 8802-3, clause 14)

IEEE 802.3u

100Base-TX (ISO/IEC 8802-3, clause 25)

IEEE 802.3u

100Base-FX (ISO/IEC 8802-3, clause 26)

6/14/99 P/N: 9033122

Subject to Change Without Notice

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Cabletron Systems ELH-100-12/24TX Installation and Configuration Notes, Firmware Changes and Enhancements, Yes

ELH-100-12/24TX specifications

The Cabletron Systems ELH-100-12/24TX is a versatile and reliable network device tailored for organizations seeking robust performance in local area network (LAN) environments. Designed primarily for Ethernet applications, this network hub serves as a pivotal connection point for numerous devices, streamlining communications between computers, servers, and other network components.

One of the standout features of the ELH-100-12/24TX is its intelligent cable management. The device supports both 10Base-T and 100Base-TX Ethernet standards, enabling seamless integration into existing network infrastructures while providing the flexibility to accommodate future expansion. This dual capability allows businesses to transition smoothly from legacy systems to faster connections without incurring substantial costs.

In terms of physical characteristics, the ELH-100-12/24TX is equipped with 12 to 24 Ethernet ports, offering ample connectivity options for various network designs. Its compact and robust casing ensures durability, making it suitable for a range of deployment scenarios from small office environments to larger enterprise settings. The product’s compact size also enables easy integration into 19-inch rack systems, a critical feature for organizations with space constraints.

The ELH-100-12/24TX features advanced processing capabilities that optimize data handling and network traffic management. This capability is particularly beneficial in high-demand environments, as it ensures minimal latency and maximizes throughput. By minimizing bottlenecks, the device supports a higher volume of simultaneous connections, essential for modern business operations that rely on uninterrupted network access.

Another notable characteristic of the Cabletron ELH-100-12/24TX is its built-in diagnostics and management capabilities. The device often comes with a suite of management options, including SNMP (Simple Network Management Protocol), allowing network administrators to monitor performance, troubleshoot issues, and configure settings remotely. These features contribute significantly to enhancing the overall manageability of network systems.

With its combination of reliable performance, scalable connectivity, and intelligent management features, the Cabletron Systems ELH-100-12/24TX stands out as a valuable asset for companies looking to optimize their network infrastructure. By leveraging advanced technologies, it helps businesses maintain productivity and performance, ensuring they remain competitive in an increasingly interconnected world.