波士電子：RS-232/RS-485正宗專業廠家
BOSI electronics：RS-232/RS-485 expert English 中文
About BOSI Products Software Sales
BOSI RS-232/RS-485 converter is world's pioneer！Patents pending: ZL02327524 ZL02327525 ZL02354891 etc
Seven unique skill of BOSI RS-232/485 converter：
| Model | Function | Feature | Power | Price |
|---|---|---|---|---|
| 485C | RS-232/RS-485/RS-422 convrter | half/full-duplex | Port Powered | $45 |
| 485TC | Optical isolated RS-232/RS-485/RS-422 convrter | half/full-duplex | Port Powered | $95 |
| 485A | RS-232/RS-485 converter | half-duplex | Port Powered | $35 |
| 485TA | Optical isolated RS-232/RS-485 convrter | half-duplex | Port Powered | $85 |
| 485D | RS-232/two RS-485 converter | two half-duplex | Port Powered | $48 |
| U485C | Optical isolated RS-232/RS-485/RS-422 convrter | half/full-duplex | 5V/ Port Povered | $50 |
| U485A | Optical isolated RS-232/RS-485 convrter | half-duplex | 5V/Port Powered | $40 |
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