The Allen-Bradley 1769-CRL1 is a right-to-left expansion cable from the CompactLogix product line by Rockwell Automation. Designed as a Compact I/O bus extension cable, it enables reliable communication and power continuity between CompactLogix system components. Measuring 1 foot (305 mm) in length, the 1769-CRL1 is one of the shortest expansion cables available in the series. It is primarily used to connect Allen-Bradley CompactLogix controllers with MicroLogix 1500 controllers, allowing for flexible system integration. The 1769-CRL1 cable is supplied with termination caps for secure installation and protection of unused ports.