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Ring Network Ethernet Switch

Ring network 4FE+4RS232 to 2SFP fiber media converter

Overview
This series of products using industry redundant ring network design each device has two fiber optic ring network for the port consisting of network topology annular cascade through holding hands industry redundant ring network (FC-Ring) is designed to achieve in the harsh environment the stability of data transmission reliability and timeliness. Its working principle is physical connection to a ring structure work the network signal into a chain structure once the transmission cable disconnection somewhere node device in a very short period of time automatically switched to the standby line transmission. Redundant ring network structure not only reduces the risk of data signal transmission but also simplifies installation and reduces the cost of the project.
This product offers: two Gigabit Ethernet SFP optical ports; four Fast Ethernet electrical interface; four serial interface for RS232/RS485/RS422. Support optional CONSOLE/WEB management built-in Lithium Battery.
Features
◆ First built-in lithium battery with battery protection and charging function when the device is powered off the lithium can provide power for more than 1-2 hours to ensure that fiber optic ring network line is working (this function is optional);
◆ Industrial rail designed specifically for harsh industrial environments;
◆ Provide two gigabit fiber optic lines it can automatically switch when line fault to ensure normal communication;
◆ Support a variety of fiber-optic network structure: point to point star chain ring network redundancy and can be combined for more complex network topologies to support multiple optical network structure;
◆ Device provides four Fast Ethernet ports two gigabit optical Ethernet interfaces  the total transmission bandwidth of wire speed 1000M;
◆ Switch built 1Mbit MP-SSRAM high-speed memory non-blocking design the maximum backplane bandwidth 32GBit/S;
◆ FPGA + ARM-based design rapid self-healing back to shorten the settling time support the "FC-Ring" Redundant Ring (recovery time <20ms);
◆ Support the transmission of extra-long VLAN packets that can support IEEE802.1Q protocols Items matching switches use;
◆ Have a broadcast storm protection balanced flow isolate the conflict and error detection and other functions;
◆ 10/100Mbps adaptive electrical ports MDI / MDI-X adaptive without manual adjustment;
◆ Ethernet interfaces with serial data with lightning protection lightning reached GB / T17626.5 (IEC61000-4-5) Short circuit current wave 8 / 20μs open standard peak output voltage 6KV;
◆ The device comes with WEB management platform online software upgrades the host side can manage the work of each state machine equipment;
◆ Supports a wide range of AC and DC input (9V-48V) supports internal isolation redundant dual power inputs power support overload protection anti-reverse protection;
◆ Meet industry four electromagnetic compatibility requirements;
◆ Super Lightning function: lightning induction can be anti-hypertension anti-surge fanless efficient cooling reducing repair time;
◆ IP40 enclosure rating and can withstand harsh conditions rail or wall mounting;
◆ Wide temperature range: Operating temperature -40℃ ~ + 85℃.
Parameters
Fiber
Fiber: single fiber and dual fiber
Optical fiber interface: FC/SC/ST/LC (SFP)
Wavelength: 850nm/1310nm multimode; 1310nm/1550nm single mode
Transmission distance without relay: 20~120Km
Typical transmit power:
Single mode 1310/1550nm: ≥-9dBm
Multimode 850nm: -18dBm
Multimode 1310nm: -25dBm
Receiving sensitivity range: -28dBm~-40dBm
Ethernet interface(10/100M)
Interface rate: 10/100 Mbps half/full duplex auto-negotiation
Interface Standard: Compatible with IEEE 802.3 IEEE 802.1Q (VLAN)
MAC Address Capability: 4096
Connector: RJ45 support Auto-MDIX
Working environment
Working temperature: -10°C ~ 50°C
Working Humidity: 5%~95 % (no condensation)
Storage temperature: -40°C ~ 80°C
Storage Humidity: 5%~95 % (no condensation)
Application
The product supports a variety of fiber optic network topologies: point to point communications, chain network, star and redundant ring network protection, self-healing topologies, and networking for more complex network topologies on this basis.
Point (Point to Point) Applications: 
Ring network 4FE+4RS232 to 2SFP fiber media converter
chain (Line) Applications: 
Ring network 4FE+4RS232 to 2SFP fiber media converter
Star (Star) Applications:
Ring network 4FE+4RS232 to 2SFP fiber media converter
Ring (Circle) Applications:  When among a plurality of nodes required to provide redundant fiber link guarantee reliable communication bus:
Ring network 4FE+4RS232 to 2SFP fiber media converter
This series of products are flexible, the products can be dual optical port dual-fiber ring network redundancy, when somewhere in the fiber failure, the system will rebuild the network links within 20ms to ensure the normal communication systems, to achieve the self-healing protection bus signal transmission, network troubleshooting system will automatically restore.
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