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2 x DataMate Adapters- DM7015 - RS233 to RS422 with data and power LEDs

Sony RS-422 9-pin Male To 9-pin Male Edit Control Cable 16'

AMX NXC-COM2 Dual COM Port Card, 2 RS-232/422/485 P/N FG2022 USED, 74 Available

B&B Electronics 4850P Optical Isolator Repeater RS-422 / RS-485

Sony RS-422 Betacam to Mac Serial deck control cable

B&B Electronics 4850P Optical Isolator Repeater RS-422 / RS-485

Jem-Fab Corp RS-422 DB9 Serial Data Patchbay 48 port Model One 9 pin Dsub