h3c ls ie4500 28f g erps ring

{"cid":"91223307","title":"Industrial-Grade 28-Port Gigabit Fiber Switch - H3C LS-IE4500-28F-G With Wide Temp & ERPS Ring","imgUrl":"https:\/\/img.chinax.com\/nimg\/8e\/d7\/31e5809c8437fb20b0a70e67e83e-200x200-1.jpg","attrs":{"Brand Name":"H3C","Model Number":"LS-IE4500-28F-G","Power Consumption":"300W","Performance":"Up to 12.8 Tbps","Operating Temperature":"32\u00b0F to 104\u00b0F","Latency":"1-3 microseconds","Traffic Monitoring":"NetFlow, SPAN, ERSPAN","Buffer Memory":"16 GB","Modular":"Yes","Product Series":"Data Center","Network Management":"CLI, SNMP, Web-based GUI","Management Protocol":"SNMP, Telnet, SSH, CLI","Virtualization Features":"VXLAN, NVGRE, MPLS","Layer Support":"Layer 2\/3","Supported Protocols":"TCP\/IP, IPv4, IPv6, OSPF, BGP, MPLS","Port Type":"SFP+"}}