See Brady 제품
Ethernet/Ip Unit More Than 180,000 Words Of Tag Data Link Capacity
Adapter Card Stand Alone RS232-RS422/485 Converter 120 Volt
Link Adapter - C Series - RS-422 Splitter.
Serial Communications Option Board
Module, Communication, Sup-V 5VDC, 250mA Cur-In, Wiegand/SNAP Series Series, 250VAC | Opto 22 SNAP-SCM-W2
Optical Link Module - 24VDC - With 2 optical connectors.
Cable Extension Unit Up to two Extension Units and three Cables can be connected
Wireless transceiver (transmitter and receiver) with RS-232 interface, for 900 MHz ISM band (America)
PLC Communication Module Sa-Canopen-A DC 24V (A)
Host Link Module - C20/C20K - RS422.