... 24/V.28/RS232, V.35, V.36, RS449, X.21, RS485, EIA530, EIA530A, and equidirectional 64kbit/s interfaces.For ... V.24/RS232/V.28, V.35, V.36, X.21, RS-449, RS-485, RS422, EIA-530, EIA-530A ... artificial codeInput ImpedanceDatacom Inde(1) Data interface type: V.24, V.35, V.36, X.21, RS-449, RS-485, EIA- ... 530 and EIA-530A.(2) Generator(2.1) SYNCH modeClock source: ...