Enterasys A4 Fast Ethernet Switch Hardware Installation Guide A-1
A
Specifications
This appendix provides the following information:
Enterasys Networks reserves the right to change specifications at any time without notice.
Switch Specifications
Table A-1 provides the I/O ports, processors and memory, physical, and environmental
specifications for the A4 models.
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Switch Specifications A-1
Fixed MT-RJ Port Specifications A-3
Redundant Power Supply Specifications A-3
Torque Values A-5
Pluggable Transceiver Specifications A-5
Console Port Pinout Assignments A-5
Regulatory Compliance A-5
Table A-1 A4 Switch Specifications
Item Specification
A4H124-24FX Ports
MT-RJ ports 1 through 24 Twenty-four 100Base-FX compliant ports with auto-sensing
and auto-negotiation via MT-RJ connectors.
Stacking or uplink ports 25 and 26 Two 10/100/1000BASE-T compliant ports via RJ45
connectors.
Gigabit Ethernet SFP ports 27 and 28 Two ports that support optional pluggable transceiver
1000BASE-SX, 1000BASE-LX fiber-optic, and 1000BASE-T
copper connections.
A4H254-8F8T Ports
RJ45 ports labeled odd numbers 1 – 15 Eight 10BASE-T/100BASE-TX compliant ports with
auto-sensing and auto-negotiation via RJ45 connectors.
MT-RJ ports labeled even numbers 2 – 16 Eight 100Base-FX compliant ports with auto-sensing and
auto-negotiation via MT-RJ connectors.
Stacking or uplink ports 25 and 26 Two 10/100/1000BASE-T compliant ports via RJ45
connectors.
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