ESCON (Enterprise Systems Connection) is a data connection created by IBM, and is commonly used to connect their mainframe computers to peripheral devices such as disk storage, tape drives and IBM 3270 display controllers. ESCON is an optical fiber, half-duplex, serial interface. Our servo controllers are optimized for DC and BLDC motors with up to 1'800 W continuous power. The compact. The ESCON2 product line from maxon consists of compact, powerful 4-quadrant PWM servo controllers. You can find the latest edition of this document on the Internet: In addition, you. applies to fiber optic links, which includes both single-mode and multimode ESCON SA23-0394-05.