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L-Link_R402H is a High performance UHF RFID fixed reader. R2000-based high-performance integrated chips,It is designed upon fully self-intellectual property. Based on proprietory efficient digital signal processing algorithm, it supports fast tag read/write operation with high identification rate. It can be widely applied in many RFID application systems such as logistics, access control, anti-counterfeit and industrial production process control system.
FEATURES
INTERFACE
1. Power (DC JACK)
| No. | Symbol | Comment | 
| Central | PWR | +9VDC | 
| Outer | GND | Ground | 
2.GPIO (DB15 Female)
| No. | Symbol | Comment | 
| 1 | Output1 | General Output1 | 
| 2 | Output2 | General Output2 | 
| 3 | Output3 | General Output3 | 
| 4 | Output4 | General Output4 | 
| 5 | Output5 | General Output5 | 
| 6 | Output6 | General Output6 | 
| 7 | Output7 | General Output7 | 
| 8 | Output8 | General Output8 | 
| 9 | TGIN | Trigger input with internal pull-up to 5V through a 10k resistor | 
| 10 | R+ | R+ of RS485 | 
| 11 | R- | R- of RS485 | 
| 12 | GND | Signal Ground | 
| 13 | NO | Normal-Open terminal of internal relay | 
| 14 | NC | Normal-Close terminal of internal relay | 
| 15 | CM | Common terminal of internal relay | 
3.Serial communication port RS232 (DB9 Male)
| No. | Symbol | Comment | 
| 1 | nc | Reserved | 
| 2 | TXD | General Output2 | 
| 3 | RXD | General Output3 | 
| 4 | nc | Reserved | 
| 5 | GND | Ground | 
| 6 | nc | Reserved | 
| 7 | nc | Reserved | 
| 8 | nc | Reserved | 
| 9 | nc | Reserved | 
4. TCPIP network (RJ45)
5. TNC antenna port ANT1~ANT4
6. LED indicator LED1~LED7
| No. | Symbol | Comment | 
| 1 | LED1 | Antenna 1 active indicator | 
| 2 | LED2 | Antenna 2 active indicator | 
| 3 | LED3 | Antenna 3 active indicator | 
| 4 | LED4 | Antenna 4 active indicator | 
| 5 | LED5 | Tag-detected indicator | 
| 6 | LED6 | Command-executing indicator | 
| 7 | LED7 | Power-on indicator | 
CHARACTERISTICS
1.Absolute Maximum Rating
| ITEM | SYMBOL | VALUE | UNIT | 
| Power Supply | VCC | 16 | V | 
| Operating Temp. | TOPR | -10~+55 | ℃ | 
| Storage Temp. | TSTR | -20~+75 | ℃ | 
2.Electrical and Mechanical Specification
Under TA=25℃,VCC=+9V unless specified
| ITEM | SYMBOL | MIN | TYP | MAX | UNIT | 
| Power Supply | VCC | 8 | 9 | 12 | V | 
| Current Dissipation | IC | 600 | 1500 | mA | |
| Frequency | FREQ | 902 | 928 | MHz | 
* Effective distance depends on protocol, tag and environment.
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