Switch Specifications
A-2 Specifications
A4H124-48 Ports
10/100Base-T ports 1 through 48 Forty-eight 10/100Base-T ports with auto-sensing and
auto-negotiation via RJ45 connectors.
Stacking or uplink ports 25 and 26 Two 1 Gigabit ports for stacking. Can also be used as
10/100/1000BASE-T Ethernet 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.
A4H124-48P Ports
10/100Base-T ports 1 through 48 Forty-eight 10/100Base-T 802.3af PoE capable ports with
auto-sensing and auto-negotiation via RJ45 connectors.
Stacking or uplink ports 25 and 26 Two 1 Gigabit ports for stacking. Can also be used as
10/100/1000BASE-T Ethernet 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.
Processors/Memory
Processor MPC8241, 266 MHz processor
Synchronous Dynamic Random Access
Memory (SDRAM)
256 MB
FLASH Memory 32 MB
Physical
Dimensions • A4H124-24
44.1 W x 4.4 H x 21.0 D cm
17.4 W x 1.7 H x 8.27 D in
• A4H124-24P, A4H124-48, A4H124-48P
44.1 W x 4.4 H x 36.85 D cm
17.4 W x 1.7 H x 14.5 D in
Net Weight • A4H124-24 — 2.58 kg (5.69 lb)
• A4H124-24P — 5.50 kg (12.13 lb)
• A4H124-48 — 4.59 kg (10.12 lb)
• A4H124-48P — 6.0 kg (13.23 lb)
Mean Time Between Failure (MTBF) Refer to the MTBF web site at URL
http://www.enterasys.com/support/mtbf/
Power Specifications
Input Voltage 100 to 240 VAC
Power Consumption • A4H124-24 — 30.9 W
• A4H124-24P — 63.0 W
• A4H124-48 — 47.2 W
• A4H124-48P — 73.4 W
Input Frequency 50 to 60 Hz
Table A-1 A4 Switch Specifications (continued)
Item Specification