... with E1, V port, Gigabit Ethernet link maintenance and failure diagnose. Model:GEA-8120A Ethernet AnalyzerOverview: Compelling price. GEA-8110A ... tool for test and troubleshooting in 10/100/1000M Ethernet network access and maintenance. Support one 10/100/1000M ... tools, including Ping, Trace route, Port blinking, wire tracing, cable length, wire map, optical power, subnet scan, etc. RFC2544 test, ...