Shenzhen Dwell Electronics Co., Limited  

Product Name: RFID Em4100 RS232 Reader 125kHz Frequency for Access Control System Model NO.: 001A-232 Application: Hospital, Library, Company, Bank, Store Reading Distance: Within 10cm Interface: RS232 Card Type: HID, Mifare, EM Type: ID Card Reader Color: Black or White Color Optional Frequency: 125kHz or 13.56MHz Optional Warranty: 1 Year Trademark: Dwell Transport Package: 1 PC Access Control Reader Specification: 115*76*18mm Origin: Shenzhen China HS Code: 8471900090 Product Description What is the Specifications of our RFID Reader?Less than 0.2 second Response SpeedLess than 0.5 seconds Proximity Time Distance2-10 cm Proximity RangeSupport125khz EM-ID em4200 card or keyfobBuilt-in AntennaBuilt-in LED (Double Color LED,stand by red color , read card yellow color light )Built-in Loud Speaker (Buzzer)DC 12V Working Voltage,70mA Working Current100 Meters Communication DistanceReal Time Data TransferIvoryColorPVC Case Material (Black Resin for Water-Proof Function)102*43mm*16mmUsing + type screw driver to loosen the screw between the panel and motherboard. And then embed the motherboard to the side wall with the plastic plug and screws.Wire ConnectionRed DC 12VBlack GNDBrown TXDYellow GNDNotice1. Confirm the electric voltage (DC12V) and differentiate positive anode and cathode of power supply2. When external Power is used, make sure sharing the power with Controller Box or using the same GND3. When the distance between card reader and controller is more than 50m, please use Power Line with at least 1.5 square cm Dia, or using several parallel Network wiresRFID Reader Packing List1* RFID reader1* RFID BoxRS232 protocolRFID Reader RS232 Serial Data Format Rev 1.012-11-08Serial port settings:Baud rate :9600Data bit :8Parity :noneStop bit :1STXDATACHECKSUMCRLFETXSTX=02 hexDATA=Card ID (10 ASCII characters), pad with leading zerosCHECKSUM=least significant byte (LSB) of SUM of DATA bytesCR=0D hexLF=0A hexEXT=03 hexExample:Card ID is 12345678As it is < 10 digits, pad with leading zeros so => 0012345678DATA = 30 30 31 32 33 34 35 36 37 38SUM of DATA = 30 + 30 + 31 + 32 + 33 + 34 +35 +36 + 37 + 38 = 0204Checksum = LSB of 0204 = 04So the serial output packet (hex format) is02 30 30 31 32 33 34 35 36 37 38 30 34 0D 0A 03STXDATACHECKSUMCRLFETX023030313233343536373830340D0A03 ApplicationPhoto