Product name：
UOTEK Mini RS-232 to RS-485 Converter
Model： UT-2211
● Standards: RS-232C,RS-485 EIA/TIA
● Connector: RS-232 DB9 female, RS-485 terminal block
● Operating mode: asynchronous half-duplex, differential transmission
● Transmission media: twisted-pair or shielded wire
● Baud rate: 300BPS-115.2KBPS
● Dimension: 58mm×33mm×19.5mm
● Working temperature: -25℃ to 70℃
● Relative humidity: 5% to 95%
● Transmission distance: 1,200m(RS-485), 5m(RS-232)
For communication between PC with different standard serial port and external equipments or intelligent instruments, standard serial conversion is necessary. This converter is compatible with RS-232C, RS-485 standards. It converts RS-232 signals into balanced differential RS-485 signals. The transmission distance of RS-232 communication can be extended to 1.2km. It adopts unique “RS-232” charge pump technology to drive the system, and gains power without initializing RS-232 serial port. This converter is with built-in zero delay auto receiving and transmitting conversion and unique I/O circuit auto control data flow direction without any handshake signal (RTS, DTR); this guarantees that there is no need to modify the programming under RS-232 half duplex mode, it will run smoothly under current software and hardware. The transmission rate is 300-115.2kbps. It can be used between hosts, host and SCM, which building a point to point, point to multipoint long-distance communication networking. It is widely applied in industrial automation control system, all-in-one card, access control system, parking system, ATM system, bus charging system, canteen ticketing system, attendance system, and toll station system, etc.
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