The 1769-ECL device is an end cap or terminator that is manufactured by Allen-Bradley in the CompactLogix series. It is compatible with the Allen-Bradley CompactLogix 1769 Compact I/O controllers. The 1769-ECL end cap is a left end type of cap rather than a right end type of cap, and it is used to cap the left end of a communication bus. The dimensions of this end cap are 87 x 15 x 118 millimeters. The 1769-ECL end cap has a current draw rating of 5 milliamps at 5.1 Volts DC and a current draw rating of 0 milliamps at 24 Volts DC.