Support single electrical port (rj45) and single optical port (sfp) with rate at 101001000mbps full rfc2544 benchmark test: throughput, frame loss rate, latency, back-to-back support y.1564 test, including service configuration test and service performance test layer1, layer2, layer3 ber test, error injection and results statistics 8 and 128 multi-streams traffic generator supports monitoring & statistics under tx mode connectivity test: ping, trace route, arp scan, etc jitter test support vlan, q-in-q test function traffic filtration statistic at the receiver end provides test tools like blink port, sniff frame, smart loopback, etc optical power test, and optical module temperature, working current, voltage test, etc cable vct: capable of identifying short circuit, open circuit, cable length fault location, etc support usb flash drive to exchange the data with the tester.