Belkin F1B024E 2-Port Manual Data Switch Box DB25 Serial Parallel Lot of 2

BLACK BOX MODEL SW050L-FFFFF - 4 POSITION RS-232 SWITCH ABDE

Black Box RS-232 Data Sharer-2 724-746-5500

DATA SWITCH Computer 4 Way Multiport Data Switch ABM25 RS-232 Type

Black Box SW590A-R2 Code-Operated Switch COS II

BLACK BOX SW590A-R2 CODE-OPERATED SWITCH (151698 - USED)

Vintage Black Box Code Operated Matrix Switch (Model SW540A)

BlackBox RS-232 Data Sharer-2 TL-601A-R2