Êîììóòàòîð, 8 port RJ45+1 Gigabit Ethernet port + Stack, VLAN/TRUNK, 10/100 Base-TX, Full Duplex, 2K MAC, 4 MB buffer, Auto Speed/Duplex, Desk Top
SH-76081G |
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Features:
• 8 10/100Mbps NWay Ethernet ports
• 1 10/100/1000Mbps NWay Auto-MDIX Gigabit Ethernet port
• 1 10/100Mbps NWay MDI-II Uplink port
• Full/half duplex transfer mode for each port
• Wire speed reception and transmission
• Store-and-Forward switching method
• Integrated address Look-Up Engine, supports 4K absolute MAC addresses
• Supports 256Kbytes RAM for da diagnostic ta buffering
• Extensive front-panel LEDs
• Broadcast storm protection
• IEEE 802.3x flow control for full-duplex
• Back pressure flow control for half-duplex
• Optional Rackmount Kit for 19" standard rack
| Standard |
IEEE 802.3 10BASE-T IEEE 802.3u 100BASE-TX IEEE 802.3ab 1000BASE-T ANSI/IEEE 802.3 NWay Auto-negotiation |
| Network Media |
Ethernet: 2-pair UTP Cat. 3,4,5, EIA/TIA-568 100-ohm screened twisted-pair (STP) Fast Ethernet: 2-pair UTP Cat. 5, EIA/TIA-568 100-ohm screened twisted-pair (STP) Gigabit Ethernet: 4 -pair UTP Cat. 5, EIA/TIA -568 100-ohm screened twisted-pair (STP) |
| Protocol |
CSMA/CD |
| Topology |
Star |
| Number of Ports |
8 x 10/100Mbps NWay MDI-X Ethernet ports
1 x 10/100/1000Mbps NWay Auto-MDIX Gigabit Ethernet port
1 x MDI-II Uplink port, share with port 8 |
| Network Data Transfer Rate |
10Mbps (Half-duplex) Ethernet
20Mbps (Full-duplex) Ethernet
100Mbps (Half-duplex) Fast Ethernet
200Mbps (Full-duplex) Fast Ethernet
1000Mbps (Half-duplex) Gigabit Ethernet
2000Mbps (Full-duplex) Gigabit Ethernet |
| Data RAM Buffers |
256KBytes per device |
| Filtering Address Table |
4K entries per device |
| Diagnostic LEDs |
Power, System ALERT, HTTP, ICQ, SMTP, Speed, Link/Act, FDX/COL |
| Power |
100 ~ 240VAC 50/60Hz, Internal Universal Switching Power |
| Power Consumption |
30 watts. (max.) |
| Dimensions (W x H x D) |
280 x 180 x 44 mm |
| Temperature |
Operating: 0 ~ 50 o C
Storage: -10 ~ 70 o C |
| Humidity |
Operating: 10% ~ 90% RH
Storage: 5% ~ 90% RH |
| Emission |
FCC Class A
CE mark Class A
VCCI-A |
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