DB9 RS232 to RS485 Converter for half duplex serial communication.
- with transient protection.
1. Standard: Accord EIA RS-232, RS-485 standard.
2. Connector: DB9 female on RS-232 side, DB9 male with 4-terminalblock on RS-485 side.
3. Work methods: asynchronous, point to point or multi-point, 2 wirehalf-duplex.
4. Transmission medium: Ordinary Line , twisted pair cable or Shielded Wire
5. Baud rate: up to 57600 bps.
6. Transmission distance: 5 meters (RS-232 side) and 1200 meters(RS-485 side).
7. Communication protocol: Transparent.
8. Environment: -10 to +85 working temperature, 5% to 95% relative humidity.
9. Signals: RS-232 TXD, RXD,GND ; RS-485 D+/A, D-/B.
1) No driver needed
2) Design tested ok under Win XP/Vista/7/8 with the MX150/250 Factory Configuration Software, MX150/250 Modbus Configuration Software, and MX350 Setup Software.
3) Transient protection on D+ and D-.
4) CE, FCC compliant.
5) Assembled and tested in U.S.A.
Note: Compare price with B&B 485SD9TB ($79)