【ADVANTECH】ADAM-4510-DE,
ADAM-4510-F,MOD REPEATER RS-422/RS485
ADAM-4510I-AE,ROBUST RS-422/485 REPEATER
【ADVANTECH】ADAM-4510S-DE,
ADAM-4510S-EE,MOD REPEATER RS-422/RS485 ISO
ADAM-4510S-F,MOD REPEATER RS-422/RS485 ISO
【ADVANTECH】ADAM-4520-D2E,
ADAM-4520-EE,ISOLATED RS-232 TO RS-422/485 CO