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主要特性
雙12~48VDC冗余電源輸入和1路繼電器輸出診斷：端口統(tǒng)計(jì)，端*像，RMON，Trap，報(bào)警，系統(tǒng)日志安全：IP/MAC與端口綁定，DHCP服務(wù)器，IP訪問(wèn)列表，802.1X 控制：VLAN/GVRP, QoS, IGMP Snooping/Query, LACP, 限速管理：Web，net，串口控制，SNMP 冗余：千兆X-Ring(超高速自愈時(shí)間<10ms),RSTP/STP SPF插槽便于靈活的擴(kuò)展光纖千兆以太網(wǎng)電口和SFP/Combo接口
產(chǎn)品介紹
EKI-2748FI 和EKI-2748CI 支持千兆以太網(wǎng)電口和SFP/Combo接口。為了確保網(wǎng)絡(luò)的可靠性，EKI-2748FI和EKI-2748CI內(nèi)部運(yùn)行的是研華獲得的X-Ring冗余網(wǎng)絡(luò)協(xié)議,讓使用者非常方便的建立冗余以太網(wǎng)絡(luò)，該網(wǎng)絡(luò)具備小于10毫秒的超高速自愈時(shí)間。此外，EKI-2748FI和EKI-2748CI還支持多種*的網(wǎng)絡(luò)標(biāo)準(zhǔn)，優(yōu)化網(wǎng)絡(luò)的性能，易于維修，保護(hù)網(wǎng)絡(luò)的安全。

性能指標(biāo)

		EKI-2748CI	EKI-2748FI
General	Ethernet Connectors	Ethernet: RJ-45 x 6; SFP Combo: RJ-45 x 2 Console port : RJ45 x 1	Ethernet: RJ-45 x 4 SFP Combo: 100/1000 SFP ×4 Console port : RJ45 x 1
General	Mounting	DIN-rail, Wall	DIN-rail, Wall
I/O	Transmission Distance	Ethernet : Up to 100m SFP: Up to 110 km	Ethernet : Up to 100m SFP: Up to 110 km
I/O	Transmission Speed	Gigabit Copper:10/100/1000 Mbps, Auto-Negotiation , SFP: Up to 1000 Mbps	Gigabit Copper:10/100/1000 Mbps, Auto-Negotiation , SFP: Up to 1000 Mbps
Environment	Operating Temperature	-40 ~ 75°C (-40 ~ 167°F)	-40 ~ 75°C (-40 ~ 167°F)
Environment	Storage Temperature	-40 ~ 85° C (-40 ~ 185° F)	-40 ~ 85° C (-40 ~ 185° F)
Power Supply	Power Connector	6-pin removables crew terminal	6-pin removable crew terminal
Power Supply	Power Input	12~ 48 VDC, 24VAC (18~30VAC)	12~ 48 VDC, 24VAC (18~30VAC)

訂購(gòu)信息
產(chǎn)品型號(hào)
產(chǎn)品描述
EKI-2748CI
6Gx+2 Combo Managed Ethernet Switch with Wide Temperature
EKI-2748FI
4Gx+4SFP Managed Ethernet Switch with Wide Temperature