FM Series	FM-3550	FM-5600	FM-5900	FM-7210	FM-8220
Maximum Capacity	200Mbps	500Mbps	800Mbps	1,500Mbps	2,500Mbps
Concument TCP Connection Number	512K+	1M+	1M+	1M+	1M+
Network Interfaces	5×10/100/1000 Coppper	5×10/100/1000 Coper	5×10/100/1000 Coper+4×mini-GBIC	5×10/100/1000 Coper+4×mini-GBIC	4×Fiber(SX/LX) +4×10/100/1000 Coper
Transparent Segments	2	2	4	4	4
L2 Bypass	Copper	Copper	Copper	Copper	Copper/ Fiber
Power-off Network Transparency	Copper	Copper	Copper	Copper	Copper/ Fiber
High Availability	Active/Active Active/Backup	Active/Active Active/Backup	Active/Active Active/Backup	Active/Active Active/Backup	Active/Active Active/Backup
Dimension:Height/Width/Depth(mm)	(1U) 44/443/381	(1U) 44/443/381	(1U) 44/443/381	(2U) 88/443/392.7	(2U) 88/443/512
Weight(kg)	4.94(kg)	4.94(kg)	4.94(kg)	12.5(kg)	13(kg)
Power Supply Redundancy	No	No	No	Yes	Yes