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Product Name：8-port RS232/422/485 Serial Device Servers

Model：USR-N668

industrial 8 serial port ethernet converter USR-N668

industrial 8 serial port ethernet converter USR-N668: ARM9 solution,64MB built-in RAM, 16MB Flash, high speed

ARM9 Solution

64MB built-in RAM, 16MB Flash, high speed

industrial 8 serial port ethernet converter USR-N668 Rack type serial port ethernet converter, The shell size: 482*185*45MM

Rack-type serial device servers USR-N668

industrial 8 serial port ethernet converter USR-N668:Serial port switching among RS232/RS485/RS422

Serial port switching among RS232/RS485/RS422

New and industrial design which saves the port space of device, prevent from ash and collision and promote the safety while operating.
Works at RS232 port by default. Please adjust the dial code to corresponding position when you use RS485/422 serial port.
Every serial port can choose mode freely, don't worry about unified mode for all serial ports.

interface introduce of industrial 8 serial port ethernet converter USR-N668

Interfaces of serial device servers USR-N668

industrial 8 serial port ethernet converter USR-N668: 8 serial ports

8 serial ports

industrial 8 serial port ethernet converter USR-N668: hardware protection

Hardware protection

EFT:Electrical fast pulse train

Ensure that the equipment hardware is not damaged
when the instantaneous large current (such as lightning
strike, power switch, etc.) occurs in the circuit

Power-4KV
net port-2KV

industrial 8 serial port ethernet converter USR-N668: Electrostatic protection ESD

Electrostatic protection ESD

Prevent electrostatic damage to equipment
( ex body static electricity, dust static electricity,
(such as lightning strike, power switch, etc.)
electric power application environmental arc）

Air: ±15KV
Contact: ±8KV

industrial 8 serial port ethernet converter USR-N668: watchdog

Watchdog

Hardware watchdog design,
never crash in 24 hours

industrial 8 serial port ethernet converter USR-N668: TCP Server

Work mode

TCP Server

Serial server devices USR-N668 listen on the setting port and wait for a TCP client connection.
The data which the serial ports sent out transparently transmit to all connected client via serial device USR-N668.

industrial 8 serial port ethernet converter USR-N668: TCP client mode

TCP client mode

Serial device servers USR-N668 initiate a TCP lint to the set IP address. If the connection fails, N668 will keep
trying to reconnect until it succeeds. Once the link is successful, the data will be transparently transmitted
between PC and serial device in bi-directional.

industrial 8 serial port ethernet converter USR-N668: UDP mode

UDP mode

Serial server devices USR-N668 sent the data to designated IP /Port. If the connection fails,
USR-N668 will keep trying to reconnect until it succeeds. Meanwhile, USR-N668 listen the port and forward
all data received to serial device.

industrial 8 serial port ethernet converter USR-N668: httpsD Client

httpsD Client

Support serial data transmitted to designed server in httpsD way

industrial 8 serial port ethernet converter USR-N668: The clock to proofread function

Special function

The clock to proofread

RTC(real-time clock, no network required)+NTP(net time)
It can still provide accurate time positioning for the system
whether in the networking environment or not

industrial 8 serial port ethernet converter USR-N668 function: VPN+Diagnosis of network + Timing task +DDNS+Modbus TCP to RTU

More Function

VPN+Diagnosis of network + Timing task +DDNS+Modbus TCP to RTU

industrial 8 serial port ethernet converter USR-N668: Remote monitoring and remote firmware upgrade

Remote monitoring and remote firmware upgrade

Remote monitoring can check the running status of field equipment

industrial serial device servers USR-N668

industrial serial device servers USR-N668: ARM9 solution,64MB built-in RAM, 16MB Flash, high speed

ARM9 Solution

64MB built-in RAM, 16MB Flash, high speed

industrial serial device servers USR-N668 Rack type serial port ethernet converter, The shell size: 482*185*45MM

Rack-type serial device servers USR-N668

未标题-1_04_01.jpg

industrial serial device servers USR-N668:Serial port switching among RS232/RS485/RS422

Serial port switching among RS232/RS485/RS422

New and industrial design which saves the port space
of device, prevent from ash and collision and promote
the safety while operating. Works at RS232 port by
default. Please adjust the dial code to corresponding
position when you use RS485/422 serial port.
Every serial port can choose mode freely, don’t worry
about unified mode for all serial ports.

interface introduce of industrial serial device servers USR-N668

Interfaces of Serial Device Servers

industrial serial device servers USR-N668: 8 serial ports

8 serial ports

未标题-1_07_01.jpg

industrial serial device servers USR-N668: hardware protection

Hardware protection

EFT:Electrical fast pulse train

Ensure that the equipment hardware is not
damaged when the instantaneous
large current (such as lightning
strike, power switch, etc.)
occurs in the circuit

Power-4KV
net port-2KV

industrial serial device servers USR-N668: Electrostatic protection ESD

Electrostatic protection ESD

Prevent electrostatic damage to equipment
( ex body static electricity, dust static electricity,
(such as lightning strike, power switch, etc.)
electric power application environmental arc）

Air: ±15KV
Contact: ±8KV

industrial serial device servers USR-N668: watchdog

Watchdog

Hardware watchdog
design,
never crash in 24
hours

未标题-1_10_01.jpg

industrial serial device servers USR-N668: TCP Server

Work mode

TCP Server

Serial server devices USR-N668 listen on the setting port and waits for a TCP client connection.
The data which the serial ports sent out transparently transmit to all connected client via serial device USR-N668.

industrial serial device servers USR-N668: TCP client mode

TCP client mode

Serial device servers N668 initiate a TCP lint to the set IP address. If the connection fails, N668 will keep
trying to reconnect until it succeeds. Once the link is successful, the data will be transparently transmitted
between PC and serial device in bi-directional.

industrial 8 serial port ethernet converter USR-N668: UDP mode

UDP mode

Serial server devices USR-N668 sent the data to
designated IP /Port. If the connection fails,
USR-N668 will keep trying to reconnect until
it succeeds. Meanwhile, USR-N668 listens
the port and forwards all data received
to serial device.

industrial serial device servers USR-N668: httpsD Client

httpsD Client

Support serial data transmitted to designed server in httpsD way

未标题-1_14_01.jpg

industrial serial device servers USR-N668: The clock to proofread function

Special function

The clock to proofread

RTC(real-time clock, no network required)
+NTP(net time) It can still provide
accurate time positioning for the system
whether in the networking environment or not

industrial serial device servers USR-N668 function: VPN+Diagnosis of network + Timing task +DDNS+Modbus TCP to RTU

More Function

VPN+Diagnosis of network + Timing task +DDNS+Modbus TCP to RTU

industrial serial device servers USR-N668: Remote monitoring and remote firmware upgrade

Remote monitoring and remote firmware upgrade

Remote monitoring can check the running status of field equipment

Item	Parameters	Value
Hardware	Work Voltage	AC 85~265 V，50/60Hz
	Power Consumption	1.6W
	Ethernet	RJ45、10/100Mbps
	Number of Ethernet Port	2
	Serial Port Format	RJ45
	Number of Serial Port	8 Ports
	Baud Rate	300-115.2K（bps）
Software	Network Protocol	IP、TCP/UDP、ARP、ICMP、IPV4、https
	IP	Static IP、DHCP
	DNS	Supports user defined
	Configuration	Software, Webpage, AT command
	Transparent transmission	TCP Server/TCP Client/UDP Server/UDP Client/ httpsd Client
	Class RFC2217	Support
	Network Cache	10Kbyte
	Serial port Cache	10Kbyte
	Average transmission delay	>=50ms
	Software	VCOM、Setup Software, Test program
	Packaging mechanism	50ms packing time, 1472 bytes packing length
Others	Certificate	CE/RoHs
	Reliability grade	EN61000-4-2(static electricity) Grade 4 EN61000-4-4(pulse group) Grade 4 EN61000-4-5(surge) Grade 3
	Shell Protection	IP30
	Size	48218545 MM
	Work Temp	-40～85℃
	Storage Temp	-40～105℃
	Work Humidity	5%～95% RH
	Storage Temp	5%～95% RH

after-sale guarantee

Working Time：

Monday to Friday 8:30-18:00 in Beijing time. Message us online for a quick response when we are on-work. Or you can leave a message. Our sales will contact you as soon as possible. You can get free technical support & professional support for your project on our technical support h.usriot.com. Get in touch with us via email at sales@usriot.com. We want to help with any questions you have.

Delivery：

We will deliver goods as soon as possible after we received the order. The order generated on weekend and holidays will be handled after back. We ship the goods with the following carriers TNT, DHL, FedEx, UPS, shipping agent.

Warranty：

We provide one year's warranty of modules and two year's warranty of cellular routers, cellular modems, serial device servers for any reason. If you believe the item is defective and under warranty, please submit a Return or Exchange request on the product's support page, or contact us at support@usriot.com.

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