~DESCRIPTION:
Product name：UHF Middle Range Integrated Reader
MODEL NO:：MR6121E
1 Introduction
MR6121E UHF RFID Reader base on new generation reader technology platform development ，combine UHF RFID advanced technology and many years reader application base experience，This reader Is more stable and can use in various applications
2 Protocol
<ISO/IEC18000-6 TYPE B>
<ISO18000 Part 6 Parameters for air interface communications at 860MHz to 960MHz>
<EPC RFID Protocols Class-1 Generation-2 UHF RFID Protocol for communications at 860MHz to 960MHz>
<800/900MHz RFID Technology application implementation regulations>

3 Parameter
Item: Parameter
Frequency:  US（902～928MHz）, China（920～925MHz）, EU（865～867MHz）, other frequency selectable
Protocol: ISO18000-6B/6C,EPC G2
RF power: 0～31dBm adjustable 
Sensitivity: -80dBm(9dBi antenna more than 6 m） 
Read speed: Multi tag-200pcs/second, single tag 2000 times/minute
Processor: ARM CORTEX M3 100M CPU
Memory: 16KB tag data memory and 32KB Ferroelectric memory
Data Interface:  100M Ethernet Interface
 RS232/RS485 interface wiegand 26/34
 One team input and one team output（TTL)，one team Relay
Power Supply:  DC+9V～+15V
Working Temp.: -20～60℃
4 Functional Description
4.1 EPC G2 Tag operation function
Reader Support EPC G2 tag: Multi tag query, read, write, selection, Single tag read, write, lock, kill
4.2 ISO18000-6B Tag operation function
Reader support ISO18000-6B Tag: Multi tag query, Single tag read, write, lock, query the lock
4.3 Working Parameter Setting
User can set the parameter of interface, IP address, Jump Frequency point, output power, reading indication, working mode etc; When in Timing or Trigger mode, can set the parameter of read Card type, read area, address, length, output method, output interface
4.4 Communication Function
Support Ethernet, RS232 and RS485 both-way communication interface，protocol compliant to《UHF RFIDreader and PC communication protocol V2.0》；Also reader support weigand single way data transmission interface， format compliant to Wiegand 26 and Wigand 34 interface protocol
4.5 Off-line working mode
Support timing read or trigger read working mode，all tags in query area can be read according to set address and length，read data direct output or buffer. Read data can selected for filtering same tag. Output data interface can be any one of interface or multiple interface，meanwhile can configure relay
Data buffer have power-off function preserves.
4.6 Maintain and update functions
Support web network server function, can set working parameter on Web page, reader also support Serial port and RJ45 port upgrade in the application firmware
5 Interface Definition
 
        DB15 Pin Diagram

DB15 pin function allocation 
Pin number Pin function
1 GPIO signal output2
2 GPIO signal output1
3 Signal Ground
4 RX(RS232)
5 TX(RS232)
6 Signal Ground
7 GPIO signal input 2(closed)
8 GPIO signal input 1
9 Signal Ground
10 A+ (RS485)
11 B- (RS485)
12 Signal Ground
13 Relay normal close port
14 Relay common port
15 Relay normal open port