Transmitter and / Receiver pair, ATM- and ESCON-Compatible. TTL-compatible 10-bit-wide data bus with 19.44MHz, 20.00MHz, or 26.5625 MHz byte clock; serial rates of 194.4Mbps, 200.0Mbps, or 265.625 Mbps; PLL clock generation and recovery; expect 8B/10B data encoding.