Description

A2H124-24FX Enterasys® A4 Fast Ethernet Switch

Product description

The A4 Fast Ethernet switches are store and forward stackable switches that can be adapted and scaled to help meet your network requirements. These stackable switches provide a management platform and an uplink to a network backbone for a stacked group of up to eight A4 switches.
You can also use a redundant power supply with these switches to help prevent downtime due to an internal power supply failure in the switch or AC power source.
You can install the stackable switch on a flat surface or into a standard 19‐inch rack, and configure the stackable switch functions using the WebView™ application, CLI switching commands, and/ or SNMP.
The A4 stackable switch can connect to Ethernet networks or workstations through RJ45 connectors, SFP ports, or Gigabit Ethernet ports, depending on your model’s configuration. The SFP ports support optional pluggable transceivers, which are hot swappable. The 1000Base‐T built‐in RJ45 stacking ports on the A4 switches can be configured as standard 10/100/1000Base‐T switch ports when the unit is in standalone mode (not stacked).

A2H124-24FX

Product parameter

• Eight 10/100Base-T ports (labeled odd numbers 1 – 15)
• Eight 100Base-FX MT-RJ ports (labeled even numbers 2– 16)
• Two 10/100/1000Base-T RJ45 ports which can be used as stacking ports or as Ethernet uplink ports (labeled 17 and 18)
• Two Gigabit Ethernet SFP ports (labeled 19 and 20)

Application field

The A4 has power supply redundancy capability when connected to an optional external redundant power supply:
• STK‐RPS‐150PS, a 150 watt DC power supply for redundant power for A4 switches.
If the internal power supply fails, the RPS automatically assumes the role of the internal power supply without interrupting network traffic. The internal power supply and RPS each have their own AC power connection, which enables the connection of each power supply to a different AC power circuit for additional AC power source redundancy.

Management
Management of the switch can be either in‐band or out‐of‐band. In‐band remote management is possible using Telnet, Enterasys Networks’ NetSight® management application, or the WebView application. Out‐of‐band management is provided through the DB9 Console port connector on the front panel using a VT100 terminal or a VT100 terminal emulator.
Switch Configuration Using WebView
Enterasys Networks’ HTTP‐based Web management application (WebView) is an intuitive web tool for simple management tasks.
Switch Configuration Using CLI Commands
The CLI commands enable you to perform more complete stackable switch configuration management tasks.
For CLI command set information and how to configure the module, refer to the Enterasys A4 CLI Reference.
Standards Compatibility
The 100BASE‐T ports are compliant with the following standards and operations:
• IEEE 802.3
• IEEE 802.3u
• IEEE 802.3ab (Stack Ports)
• IEEE 802.3ad
• Full‐Duplex operation
In addition to the 100BASE‐T standards, the SFP ports are compliant with the following standards and operations:
• IEEE 802.3z
• IEEE 802.3x Flow Control support for Full‐Duplex mode

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