Allen Bradley 6171-MX5 Advisor PC Serial Parallel Expander

Allen Bradley 6171-MX5 Advisor PC Serial Parallel Expander 967194-03

vintage 1988 Allen Bradley Advisor PC Serial / Parallel Expander 6171-MX5

NEW Allen Bradley 6171-MX5 Advisor PC Serial Parallel Expander 967194-02 PLC AB

241935 New-No Box; Schneider BMXXBE1000 Backplane Expander

189089 Used; Schneider 140XBE10000 Back Plane Expander

Texas Instruments 5TI-5500 EXPANDER MODULE -used-

Honeywell 14502498-006 14502386-001 Audible Expander Module