Hardware Version |
A1 |
A2 |
A1 |
General |
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Size |
19” standard rack width, 1U height |
19” standard rack width, 1U height |
19” standard rack width, 1U height |
Interfaces |
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16 x 10/100/1000 Mbps |
24 x 10/100/1000 Mbps |
48 x 10/100/1000 Mbps |
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2 x Gigabit SFP |
4 x 10G SFP+ |
4 x 10G SFP+ |
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2 x 10G SFP+ |
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Port Standards & Functions |
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IEEE 802.3 10BASE-T Ethernet |
IEEE 802.3 10BASE-T Ethernet |
IEEE 802.3 10BASE-T Ethernet |
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IEEE 802.3u 100BASE-TX Fast Ethernet |
IEEE 802.3u 100BASE-TX Fast Ethernet |
IEEE 802.3u 100BASE-TX Fast Ethernet |
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IEEE 802.3ab 1000BASE-T Gigabit Ethernet |
IEEE 802.3ab 1000BASE-T Gigabit Ethernet |
IEEE 802.3ab 1000BASE-T Gigabit Ethernet |
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IEEE 802.3ae 10 Gigabit Ethernet |
IEEE 802.3ae 10 Gigabit Ethernet |
IEEE 802.3ae 10 Gigabit Ethernet |
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IEEE 802.3x Flow Control for full-duplex mode, auto-negotiation |
IEEE 802.3x Flow Control for full-duplex mode, auto-negotiation |
IEEE 802.3x Flow Control for full-duplex mode, auto-negotiation |
Network Cables |
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UTP Cat. 5, Cat. 5e (100 m max.) |
UTP Cat. 5, Cat. 5e (100 m max.) |
UTP Cat. 5, Cat. 5e (100 m max.) |
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EIA/TIA-568 100-ohm STP (100 m max.) |
EIA/TIA-568 100-ohm STP (100 m max.) |
EIA/TIA-568 100-ohm STP (100 m max.) |
Duplex Mode |
Full/half-duplex for 10/100 Mbps and full-duplex for 1000 Mbps speed |
Full/half-duplex for 10/100 Mbps and full-duplex for 1000 Mbps speed |
Full/half-duplex for 10/100 Mbps and full-duplex for 1000 Mbps speed |
Media Interface Exchange |
Auto or configurable MDI/MDIX |
Auto or configurable MDI/MDIX |
Auto or configurable MDI/MDIX |
Performance |
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Switching Capacity |
76 Gbps |
128 Gbps |
176 Gbps |
Transmission Method |
Store-and-forward |
Store-and-forward |
Store-and-forward |
MAC Address Table |
Up to 16,384 entries per device |
Up to 16,384 entries per device |
Up to 16,384 entries per device |
MAC Address Update |
Up to 512 static MAC entries |
Up to 512 static MAC entries |
Up to 512 static MAC entries |
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Enable/disable auto-learning of MAC addresses |
Enable/disable auto-learning of MAC addresses |
Enable/disable auto-learning of MAC addresses |
Maximum Packet Forwarding Rate |
56.54 Mpps |
95.24 Mpps |
130.95 Mpps |
Packet Buffer Memory |
1.5 MB per device |
1.5 MB per device |
3 MB per device |
MTBF |
882,152 hours |
516,593 hours |
423,302 hours |
Diagnostic LEDs |
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Power/Stacking ID/Fan (per device) |
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Link/Activity/Speed (per 10/100/1000 Mbps port) |
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Link/Activity/Speed (per Gigabit SFP port) |
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Link/Activity/Speed (per 10G SFP+ port) |
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Physical & Environment |
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AC Input |
100 to 240 VAC 50/60 Hz internal universal power supply |
100 to 240 VAC 50/60 Hz internal universal power supply |
100 to 240 VAC 50/60 Hz internal universal power supply |
Maximum Power Consumption |
20.3 W |
22.3 W |
48 W |
Standby Power Consumption |
12.2 W |
15.2 W |
30.3 W |
Fans |
1 x smart fan |
2 x smart fans |
1 x smart fan |
Acoustics |
43.8 dB(A) |
42.7 dB(A) |
49.7 dB(A) |