... 24/V.28/RS232, V.35, V.36, RS449, X.21, RS485, EIA530, EIA530A, and equidirectional 64kbit/s interfaces ... V.24/RS232/V.28, V.35, V.36, X.21, RS-449, RS-485, RS422, EIA-530, EIA ... APS) G.821, M.2100 error testingTechnical Index 2M Technical Index(1) Signal input rate: 2048kbit/s±100ppmG.703 requirement ... artificial codeInput ImpedanceDatacom Inde(1) Data interface type: V.24, V.35, V.36, X.21, RS-449, RS- ...