HF2221
IOT Device Product
RS232/RS485/RS422 interface to Ethernet/Wi-Fi
The HF2221 provides RS232/RS485/RS422 interface to Ethernet/Wi-Fi connectivity to web enable any device. The HF2221 integrate TCP/IP controller, memory, 10/100M Ethernet transceiver, highspeed serial port and integrates a fully developed TCP/IP network stack and ECos OS. The HF2221 also includes an embedded web server used to remotely configure, monitor, or troubleshoot the attached device
The HF2221 using highly integrated hardware and software platform,It has been optimized for all kinds of applications in the industrial control, smart grid , personal medical application and remote control that have lower data rates, and transmit or receive data on an infrequent basis.
The HF2221 integrates all serial to Ethernet functionality with 108 x 146 x 25mm size.
Specification
| Processor | MIPS |
| Basic Frequency | 320MHz |
| Flash | 4MB |
| SDRAM | 8MB |
| Operating System | eCos |
| Ethernet | |
| Interface Standard | 2 RJ45 |
| Rate | 10/100 Base-T Auto-Negotiation |
| Protection | 8KV Isolation |
| Network Protocol | IP，TCP，UDP，DHCP，DNS，HTTP Server/Client，ARP，BOOTP，AutoIP， ICMP，Web socket，Telnet，FTP，TFTP，uPNP，NTP，SNMP，Modbus TCP |
| Security Protocol | TLS v1.2 AES 128Bit DES3 |
| WIFI | |
| Standard | 802.11 b/g/n |
| Network Mode | STA/AP/STA+AP |
| Access Terminal Quantity in AP Mode | 最多32个终端 |
| Transmit Power | 802.11b: +20dBm(Max.) 802.11g: +18dBm(Max.) 802.11n: +15dBm(Max.) |
| Receive Sensitivity | 802.11b: -89dBm 802.11g: -81dBm 802.11n: -71dBm |
| Wi-Fi Security | WEP/WPAPSK/WPA2PSK |
| Antenna Interface | External：3dBi antenna |
| Port Number | 2(RS232/RS485/RS422) |
| Interface Standard | RS232: DB9 RS485/RS422: 5.08mm connector |
| Data Bits | 8 |
| Stop Bit | 1，2 |
| Check Bit | None，Even，Odd |
| Baud Rate | TTL: 300 bps~230400bps |
| Flow Control | No Flow control Hardware RTS/CTS、DSR/DTR Software Xon/ Xoff flow control |
| Buffer | 4K |
| Configuration | Web,CLI,XML import,Telnet,IOTManagerPC Software |
| Virtual Serial | Windows, XP/Vista, 7， Server 2003/2008 |
| Size | 108mmx 146mm x 25mm |
| Operating Temp. | -45 ~ 85°C |
| Storage Temp. | -45 ~ 105°C，5 ~ 95% RH（No Condensation） |
| Input Voltage | 5～36VDC |
| Working Current | ~200mA |
| Power | 700mW |
| Accessory | 1* Power Adapter 1* Serial Cable 1* Ethernet Cable 1* WiFi Antenna |
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