Serial Communication

ST-5211
Serial Interface RS 232 1 Channel

ST-5212
Serial Interface RS 232 2 Channels

ST-5221
Serial Interface RS 422 1 Channel

ST-5231
Serial Interface RS 485 1 Channel

ST-5232
Serial Interface RS 485 2 Channels

ST-5252
Serial Interface RS 232 2 Channels, Premium Type

ST-5272
Serial Interface RS 485 2 Channels, Premium Type