Computer/Embedded Technology


Rugged Gigabit Ethernet switch

17 September 2014 Computer/Embedded Technology

The rugged Raptor-Epsilon from Diamond Systems is a Layer 2+ Ethernet switch providing advanced features such as VLAN, aggregation, jumbo frame support, programmable multi-layer classifier with eight QoS queues per port, DSCP remarking for IPv4 and IPv6 frames, and multicast/broadcast flooding control. Automatic power saving powers down unused ports and dynamically adjusts power output on each active port based on cable length.

The standard system configuration includes MIL D38999 connectors with four 8-wire Gigabit ports per connector and one power connector. The serial port is available on the first Ethernet connector, and the two optional SFP ports are provided on one additional connector for each port. Custom cable configurations, enclosure modifications and coatings are also available.

Raptor-Epsilon can be used standalone, without any connection to a single-board computer, or in conjunction with a host CPU. Its built-in microcontroller (MCU) handles configuration and management, while onboard memory holds dual application images, boot code, MAC addresses and other parameters, and can also be used for program execution.

An RS-232 serial port enables communication between the system’s onboard management MCU and a host processor for out-of-band management. The MCU is also accessible via a web management interface over one of the Ethernet ports. This port is then shared for simultaneous web management and normal usage.

Input power is provided through a wide-range 5 – 32 V d.c. power supply, enabling operation using industrial power sources. To support the temperature extremes of fixed and mobile applications in both indoor and outdoor environments, the module supports fanless operation over -40°C to +85°C.



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