NT3S-ST121B-E
Manufacturers：
Omron Automation & Safety
Description：
NT3S 4.1 W(2)R485 CLOCK
NT3S-ST123B-E
Manufacturers：
Omron Automation & Safety
Description：
NT3S 4.1 W(1)RS232/485 CLOCK
NT3S-ST124B-E
Manufacturers：
Omron Automation & Safety
Description：
NT3S 4.1 W(1)RS232/RS485
NT3S-ST126B-E
Manufacturers：
Omron Automation & Safety
Description：
NT3S 4.1 W(2)RS232