The main function of:
- interrupt business error test
- online error test
- frame and non framing signal generating and receiving
2Mbit/s non framing error performance testing
2Mbit/s into the test error performance of frame, N * 64kbit/s channels
- bit error, error, error code frame, CRC error, E bit error performance test
- the loss of signal, alarm, remote alarm, AIS frame, frame loss of multiframe remote alarm, alarm test pattern step out of step
- frequency deviation test
- line signal level, frequency test
- speech path channel signal level, frequency test
- sliding test pattern
- through mode
- audio test
- loop delay test
- automatic protection switching time test (APS)
- voice monitoring
- signaling state display, then the road channel content display, channel busy display
Analysis - alarm, error histogram
Analysis of - time slot content
Analysis of - frame content
Analysis of G.821, G.826, M.2100 - BER performance
- a variety of error and warning insert
- three input methods (terminating, bridging, monitoring)
- two clock selection (internal and extraction)
RS-232 interface print results.
- the same to a 64K test
- V.24/RS232, V.35, data V.36, X.21, RS-449 test
主要功能：
● 中断业务误码测试
● 在线误码测试
● 成帧和非成帧信号发生和接收
● 2Mbit/s非成帧误码性能测试
● 2Mbit/s成帧、N×64kbit/s通道误码性能测试
● 比特误码、编码误码、帧误码、CRC误码、E比特误码性能测试
● 信号丢失、AIS告警、帧远端告警、复帧远端告警、帧失步、图案失步告警测试
● 频偏测试
● 线路信号电平、频率测试
● 话路通道信号电平、频率测试
● 图案滑动测试
● 直通方式
● 音频测试
● 环路延时测试
● 自动保护倒换时间测试（APS）
● 语音监听
● 信令状态显示、话路通道内容显示、话路通道忙闲显示
● 告警、误码直方图分析
● 时隙内容分析
● 帧内容分析
● G.821、G.826、M.2100误码性能分析
● 多种误码和告警插入
● 三种输入方式（终接、桥接、监测）
● 两种时钟选择（内部、提取）
● RS-232接口打印结果。
● 同向64K测试
● 数据V.24/RS232、V.35、V.36、X.21、RS-449测试
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