冗余能够增加众多工业自动化应用系统的可靠性。EKI-7554MI为了建立网络的可靠性，配备了一个研华开发的冗余网络协议--X-环，它为用户提供了一种简单方法来建立一个冗余以太网，其超高速的恢复时间不到10ms。此外，EKI-7554MI还支持许多*的网络标准以优化网络性能，便于维修及确保网络安全。
| | EKI-7554MI-AE |
| General | Ethernet Connectors | 4 x RJ-45 + 2 x SC-type
fiber optic connector |
| Mounting | DIN-rail, Wall |
| I/O | Transmission Distance | Ethernet: Up to 100 m
（4-wire Cat.5e, Cat.6 RJ-45
cable suggested for Gigabit port）
Gigabit Fiber: Up to 110 km
（depending on SFP） |
| Transmission Speed | Ethernet: 10/100Mbps Auto-Negotiation
Gigabit Copper: 10/100/1000 Mbps,
Auto-Negotiation
Gigabit Fiber: Up to 1000Mbps |
| Operating System | Operating Temperature | -40 ~ 75°C （-40 ~ 167°F） |
| Power Supply | Power Connector | - |
| Power Input | 2 x Unregulated
12 ~ 48 VDC |
 | | 产品描述 |
 |
| | EKI-7554MI-AE | 4+2 100FX Port M.M. Managed Switch（Wide Temp.） |
