RS-232 to RS-422/485 converter included Terminal Block Adapter

The EX-47900 RS-232 to RS-422/485 converter is design for your PC, workstation, thin client or server to provides instant RS-422/485 Serial port expansion via the standard RS-232 port. The EX-47900 equipped a DB9 female connector that can be connected directly to the RS-232 connector from your PC. The EX-47900 converts unbalanced, full-duplex RS-232 signals to balanced, full or halfduplex RS-422 or RS-485 signals. With the EX-47900 we include the adapter from 9 pin to 5 pin Terminal Block.

Interface: RS-232

• Signal: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
• Loop Back Wiring: RTS to CTS, DTR to SDR and DCD

Schnittstelle: RS-422/485

• Two modes are selectable: 4-wire RS-422 (TXD+/-, RXD+/-, Half-duplex) /
  2-wire RS-485 (Data+/-, Data+/-, Full-duplex)
• ATTA: Supports RS-485 Auto Transceiver Turn Around Feature, Support
  Echo Mode for RS-485 mode
• Terminator: 120 Ohm, can be Enabled/Disabled by DIP switch
• Port-powered from RS-232 Lines, External Power Source Supported, but not
  required in most cased