Telebyte Technology 63-2SA RS-232 to RS-422 Interface Converter Module Unit

Telebyte Model 63-2 RS232 to 422 Converter 632 (TBI)

Lot of 5 New Telebyte Model 63-2 RS-232 to RS- 422/485 INTELLIGENT CONVERTER

TELEBYTE 63-4S SELF POWERED CONVERTER RS-232 TO RS-422/DTE

NEW TELEBYTE 63-2, 63-2S RS232 TO 422 CONVERTERS,CT

TELEBYTE TECHNOLOGY INC 253 CONNECTOR

Telebyte Tech. Model 268 DCE DTE RS232 Opto-Isolation Module