Compact i/o end caps/terminators, Installation instructions, About the end caps/terminatorsStock nr 41, Allen-Bradley, Compact I/O, 1769-ECR, Right End Cap / Terminator, Price $: 15.05, i/o used/new from factory shutdown or unsold. https://terpciluli.tistory.com/17.AdvertisingAllen Bradley Compact I/o 1769-ecrInstallation InstructionsCompact I/O End Caps/TerminatorsCatalog Numbers 1769-ECL, 1769..