Model Selection : SC07 X XXX
SC07 : Base Model
S : Select code S only if you want RS485, 2 wire option
XXX : 24 : 24V DC
48 : 18 to 72V DC
230 : 90 to 260V AC
SC07 is used to expand Line driving capability of RS485 / RS422 beyond 1.2 km. It also converts RS485 to RS422 ( and vica versa ). It can also be used as RS485 Isolator. They are used for providing Isolation to Serial Interface. With high degree of protection, it keeps the COM port of your equipment safe.