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| Ports & interfaces | |
| Fiber optic connector | SFP |
| Basic switching RJ-45 Ethernet ports type | Gigabit Ethernet (10/100/1000) |
| Basic switching RJ-45 Ethernet ports quantity | 4 |
| SFP module slots quantity | 1 |
| Weight & dimensions | |
| Weight | 380 g |
| Height | 30 mm |
| Width | 96 mm |
| Depth | 112 mm |
| Energy management | |
| Input current | 2.5 A |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Operational conditions | |
| Operating relative humidity (H-H) | 10 - 90% |
| Storage temperature (T-T) | -20 - 90 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Networking | |
| Full duplex |  |
| Networking standards | IEEE 802.3, IEEE 802.3ab, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z |
| Flow control support | |
| Auto MDI/MDI-X | |
| 10G support |  |
| Copper ethernet cabling technology | 10BASE-T, 100BASE-TX, 1000BASE-T |
| Cable types supported | Cat5, Cat5e |
| Auto-negotiation | |
| MAC address auto-learning supported | |
| MAC address auto-aging supported | |
| Data transmission | |
| MAC address table | 4000 entries |
| Switching capacity | 1 Gbit/s |
| Jumbo frames support | |
| Store-and-forward | |
| Packet buffer memory | 1 MB |
| Packet forwarding rate (1 Gbps) | 1488000 pps |
| Packet forwarding rate (10 Mbps) | 14880 pps |
| Packet forwarding rate (100 Mbps) | 148800 pps |
| Jumbo frames | 9000 |
| Packaging data | |
| Package weight | 540 g |
| AC adapter included | |
| Package depth | 250 mm |
| Package height | 55 mm |
| Package width | 140 mm |
| Quick start guide | |
| Rubber feet | |
| Management features | |
| Switch type | Unmanaged |
| Optical fiber | |
| Fiber ethernet cabling technology | 1000BASE‑LX, 1000BASE‑SX |
| Transmission distance (max) | 0.55 km |
| Design | |
| Certification | FCC Class B, CE |
| Rack mounting | |
| LED indicators | Activity, Link, Power |
| Wall mountable | |
| Product colour | Grey |
| Country of origin | China |
| Housing material | Metal |
| Power over Ethernet (PoE) | |
| Power over Ethernet (PoE) | |
| Logistics data | |
| Harmonized System (HS) code | 85176990 |
| EAN | 4015867173480 |
| Warranty | 2 years |
| Source: Icecat.biz | |
GEU-0521 is designed to make conversion between 10/100/1000Base-T and 1000Base-SX/LX Fiber Ethernet. The overall network flexibility is enhanced, and the network efficiency is also improved to accommodate and deliver high bandwidth applications.
Providing 10Gbps internal switching fabric, the GEU-0521 can handle an extremely large amount of data in a secure topology linking to a backbone or high capacity servers. The GEU-0521 provides 4K MAC address table, 9K bytes JUMBO Frame, and offers wire-speed packet transfer performance without risk of packet loss. The high data throughput of the device makes it ideal for most Gigabit environments, especially for the network to be upgraded to a Gigabit environment.
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