AESP Manual Data Switch - Parallel or Serial - 4 Ports - HD15M6F4

Electronics Unlimited Data Switch ABC-25

1x2 or 2x1 - 2-Port AB Manual Sharing DB9 RS232 Serial Switch 2-Way Selector Box

Vintage 4-Port Data Transfer Switch A/B/C/D 25-Pin Serial Parallel Cable Ports

Black Box ABC-25 A/B Switch SW091A Value Line Data Line Selector Box

Belkin Rotary 2 Port Data Transfer Switch F1B024-E Serial/Parallel Printer

Black Box ABC-25 Value Line Switch SW091A NEW NOS DB25 A/B Manual Included

Black Box SW178A-R3 ABC Switch Manual Data Line RJ11 RJ45 A/B/C Selector Switch