Measure transmission quality of communications line. Evaluate parameters conforming to ITU-T G.821 Notification, hence enabling bit error rate evaluation and fault point identification.

Target device description
test mode:Repeat
test pattern:2⁸-1

This On-Line Demonstration uses the pictures of LE-8200A/LE-8200 Link Software (Key-Emulation function). And line state LEDs are not displayed in this On-Line Demonstration.