parameter	project	indicator
system parameters	processor	800MHz NXP dual core Cortex-A9 processor
	system memory	2GB DDR3
	存储器	8GB eMMC
Power supply requirements	power supply	100～240V/AC 50/60Hz， And dual redundant power supply
	power consumption	<15W
Interface and extension information	Ethernet	4-channel 10/100Mbps independent Ethernet
	video	1 HDMI 1.4, 1 VGA
	USB	2-channel USB HOST, 1-channel USB OTG
	serial port	1-channel nine pin RS232 interface; 8-way isolated RS485;
	CAN	2-way isolated CAN2.0
	Extended features	Expandable Mini PCIe (optional 2G/3G/GPRS/4G) or expandable mSATA (can connect to a 2.5-inch hard drive)
software configuration	Linux 4.1	Built in rich communication protocols: Modbus RTU, Modbus TCP/IP, DLT-645, IEC60870-101103104, etc. Special regulations can be customized.
Environmental Requirements	Working temperature and humidity	-20℃～65℃，5%～95%
	store temperature and humidity	-40℃～85℃，5%～95%
Installation method		1U standard chassis, rack mounted installation

Hardware function:

•Adopting industrial gradeNXPdoublenucleusCortex-A9processor；

•embeddedLinuxReal time multitasking operating system；

•Two redundant power inputs are used to prevent any power loss in one circuit from affecting the equipment and data;

•Support management of automatic device communication, communication of various smart meters, and communication of intelligent auxiliary equipment such as DC power supply in substations; Communication of substation main computer system, remote control communication and centralized control center communication, inspection and monitoring of communication status of various equipment and devices

Software functions:

• Support multiple protocols for communication with intelligent devices:Support for communication protocolsIEC-60870-5-101、IEC-60870-5-103、IEC-60870-5-104、MODBUS-RTU、MODBUS-TCP、DL/T 645-2007、DL/T 645-1997 Waiting for standard regulations;
•Communication protocol between upstream and monitoring main station:Communication management machine communicates with the monitoring main station and supports communicationIEC-60870-5-101、IEC-60870-5-104、MODBUS-TCP
•Support the extension of new protocols and customized design
• Support remote forwarding;
•Support data storage function, with a minimum cache time of 7 days;
•Support commonly used formula calculation and custom formula calculation;
•Capable of monitoring upstream and downstream messages, and can be cached as files;
•Support remote program upgrade;
•Support cloud debugging function to remotely solve on-site problems;
•Two communication management machines support primary and backup modes.