Posts Tagged ‘RocketLinx’

CUSTOMER SOLUTION: Open-Road Tolling for NHDOT

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Xerox

The roads and freeways of America’s cities often become extremely congested during rush hours. As a result, the New Hampshire Department of Transportation (NHDOT) is making High Occupancy Vehicle (HOV) lanes open to use for Single Occupant Vehicles (SOVs) for a toll.

The tolling system (E-ZPass) is modeled similarly to that of the SunPass, MNPass, I-Pass, and EZ-Pass systems in Florida, Minnesota, Illinois, and Indiana. It is required that numerous sensors and other pieces of equipment have the ability to reliably communicate – for an efficient and dependable tolling experience. An experienced Electronic Toll Collection (ETC) company was hired by NHDOT to oversee the upgrading of the tolling system.

Comtrol was able to provide a solution for the ETC company with the RocketLinx ES8108. The ES8108 is an unmanaged, industrial Ethernet switch, requiring no set up to allow true “plug-and-play” connectivity. The ES8108 transfers and receives data to and from connected devices. For this application, the ES8108 would maintain communication between sensors and traffic cameras in various tolling lanes.

Comtrol has partnered with this ETC company in the past for transportation solutions, and the partnership experience played an important factor in choosing Comtrol again. The RocketLinx ES8108 offered the desired port density for the application, and can function in temperatures ranging from -25°C to +70°C. In addition, the ES8108 is protected by IP31 grade aluminum housing. This provides excellent heat dispersion, protects against dust and water damage, and allows for easy DIN rail installation.

RocketLinx Industrial Ethernet switches are made for use in harsh environments and provide rugged connectivity solutions for industrial Ethernet networks and systems such as industrial packaging and processing, traffic intersection management and sensor data collection. Along with having IP31 grade protection for rugged, harsh environments, these switches are designed to provide dependable networking solutions.

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COMING SOON: Class 1, Division 2 Certified Switches

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Option4Electrical and industrial equipment installed in potentially hazardous locations need to be regulated by organizations to ensure they are acceptable for installation in volatile environments.  To guarantee equipment is suitable, rigorous tests must be completed and each product must be certified prior to installation.

For these types of critical applications, Comtrol has developed six new unmanaged industrial Ethernet switches based off the RocketLinx ES8105 and ES8108 switches, each holding a Class 1, Division 2 (C1D2) certification:

The C1D2 certification ensures that a device is suitable for areas where gases, vapors, and liquids are “not normally present in an explosive concentration (but may accidentally exist),” according to the National Electric Code (NEC). The C1D2-certified RocketLinx switches also feature an extended operating temperature range of -40°C to +75°C, and are housed in slim industrial enclosures to save rail or panel space in compact system designs.

For more information on these switches or to inquire about preliminary samples, please contact sales@comtrol.com, 763.957.6000, or visit the product-specific links above.

Comtrol Railway Standards Compliance

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EN 50121-4 - This standard relates to EMC conformance for railway track-side deployment.

IEC 61373 - This standard covers vibration / shock conformance in railway applications.

Our RocketLinx switches carrying the above certifications have been tested to comply with strict railway standards governing both electromagnetic conformance and shock and vibration for rail-based equipment.  Comtrol’s industrial Ethernet switches feature rugged design and exceptional reliability – and ensure that switch operation does not interfere with other critical electronic equipment deployed in track-side installations.

A Summary of EN50121-4

This European Standard applies to a signaling and telecommunication apparatus which is installed in the railway environment. This standard specifies limits for emission and immunity and provides performance criteria for signaling and telecommunications (S&T) apparatus which may interfere with other apparatus in the railway environment, or increase the total emissions for the railway environment beyond the limits defined in the appropriate standard and so risk causing Electro-Magnetic Interference (EMI) to apparatus outside the railway system.

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Access Control UL294/294B Regulations: Why Do They Matter?

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UL294 is the standard of safety for Access Control System units that all access control systems must meet. UL294B is a newer standard, specifically for the use of Power over Ethernet (PoE) components used within access control systems where PoE is the primary power source.

Government and state regulations are moving toward required UL294 compliance. Comtrol’s RocketLinx ACS7106 is the first UL294B certified switch enabling confidence in deployment and integration within access control systems. 

The ACS7106 switch features four 10/100BASE-TX PoE Plus ports for providing power and data to remote PDs (Powered Devices) such as access card readers and IP surveillance cameras, and two 10/100/1000BASE-TX uplink ports that assure maximum throughput for high bandwidth applications.


The official site for the UL Standards states that:

SCOPE (UL294)

1.1 These requirements apply to the construction, performance, and operation of systems intended to regulate or control:

a)    Entry into a protected area or a restricted area or

b)    Access to or the use of a device(s) by electrical, electronic or mechanical means.

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Product Spotlight: RocketLinx ® Power over Ethernet Switches

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The Comtrol RocketLinx series of PoE industrial ethernet switches are designed to meet the performance and environmental demands for applications requiring extended operating temperatures, rugged design, and reliable power delivery to standard and high power devices.

Comtrol’s PoE family of switch products offer unique features such as:

  • Forced power mode
  • PoE port scheduling
  • Remote reboot of powered devices
  • Power budget limitation with priority control

Featuring both managed and unmanaged models, the RocketLinx PoE industrial Ethernet switches provide cost-effective networking solutions delivering the industry’s best Ethernet switch technologies.

POE INDUSTRIAL SWITCH APPLICATIONS

IP Surveillance

  • Pan/tilt/zoom (PTZ) cameras
  • Industrial outdoor security cameras

Access Control

  • Wireless access points

Traffic and Transportation

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Selecting an Ethernet Switch to Fit Your Environment

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As a communications equipment manufacturer, Comtrol often suggests applicable products for a customer’s environment based on features the products have.  However, this is a two way street. The proper selection of an Ethernet switch begins with classification of the area in which your product will be placed; only next does it become important to select a switch that fits your environment.

Step 1 – Classify the area in which your network equipment will be located.

Depending on how critical your application is, this can be done with various levels of intensity.  Some users may choose a standardized measure, such as the MICE classification system (Mechanical, Ingress, Climactic Chemicals, Electromagnetic) to ensure an accurate and objective description in every area.  Others may rely on individual objective measurements such as temperature (°F/°C), moisture (% humidity), and known acceleration rates.  Finally, others may elect for a simpler, subjective system such as “Hot/Cold” or “smooth/heavy vibration.”

Step 2 – Select an Ethernet switch that meets the requirements of the area it will be located.

Now that the environment has been classified, the next step is to find an Ethernet switch, or set of Ethernet switches that meets or exceeds each of the characteristics defined by the environment.  By listing environmental specifications on every Comtrol RocketLinx Ethernet switch, this step can be as easy as completing a check list.

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Worldwide Release: Comtrol’s RocketLinx ES8508-XT Switch Series

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Comtrol Launches Extended Temperature Compact Industrial Ethernet Switch Series

MINNEAPOLIS, Minnesota — November 21, 2013 — Comtrol Corporation, a leading manufacturer of industrial device connectivity products, today announced the release of the RocketLinx® ES8508-XT series of industrial managed Ethernet switches. The introduction of this new 8-port switch series extends Comtrol’s popular RocketLinx line of industrial Ethernet switches by providing the convenience of both copper and integrated fiber Ethernet ports in a compact, extended temperature range switch ideally suited for deployment in factory, traffic and railway applications. Like all RocketLinx switches, the ES8508-XT series meets the performance and environmental criteria for demanding applications with an extended operating temperature, rugged design, and broad security and performance features including VLAN, QoS, and RSTP/MSTP support. The new RocketLinx ES8508-XT model includes eight (8) 10/100BASE-TX ports while the ES8508F-XT models (Single-Mode and Multi-Mode) feature six (6) 10/100BASE-TX and two 10/100BASE-FX SC fiber ports. All three switches meet EN50121-4 EMC and IEC 61373 vibration standards for railway applications.

“The introduction of the RocketLinx ES8508-XT switches respond to the growing requests for a smaller, fiber-integrated counterpart to our successful ES8510-XT series of transportation and industrially focused switches,” stated Brad Beale, President of Comtrol, “The ES8508-XT series delivers the same security and management features found in our other managed ‘XT’ switches but in a smaller, economical package with NEMA TS2 traffic certification and a high level of immunity to both electromagnetic interference and vibration.”

The ES8508-XT series also supports Modbus TCP/IP for integration with factory networks and includes the latest technologies to ensure reliable, high-bandwidth data communication including a 32Gbps switch fabric for real-time non-blocking data transmission, dual 10-60VDC redundant power inputs (positive or negative), redundant network topology support, and a high performance ARM9 processor with an embedded hardware watchdog timer for system reset and recovery.

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SERIES: Power over Ethernet Features – Part IV

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MOBILE – What does this mean for your next IP surveillance project?

Putting a surveillance camera on or in a vehicle (car, bus, etc.) for safety, monitoring, or other purposes is becoming much more common. It’s very likely if you are a surveillance integrator that you have worked on a project like this. If not, you have almost certainly heard of it being done in the news lately.

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