... SYNCH and ASYNCH testing DTE and DCE emulation Bit code testing Pattern slip testing Signal loss ... co-directional 64Kbit/s: Service interrupt error testing Bit code testing Pattern slip testing Signal loss AIS ... 10-1 ~ 10-7.Co-directional 64k Technical Index(1) Signal input rate: 64 kbit/s±100ppmG.703 ... .4k,57.6kbpsData structure: Word length: 5,6,7,8bitsStop bit: 1,2bitsOdd-even check: odd, even, 1, ...