System Integration & Control Systems Design


Advanced traffic management system

August 2017 System Integration & Control Systems Design

An advanced traffic management system (ATMS) integrates multiple technologies to monitor and control traffic flow. Real-time traffic data collected from cameras and speed sensors is sent to a traffic control centre, where the ATMS will aggregate and analyse the data to improve traffic flow and ensure safe transport operations.

In ATMSs, media converters play an important role as the large scale of such networks requires data transmissions over long distances and across multiple points. Therefore, such a system needs to integrate selected network solutions so that communications can take place over these long distances, including the multiple points.

System requirements include:

• A high port-density media converter that can receive real-time traffic data from cameras and speed sensors so that it can be centrally managed in the control room.

• Standalone media converters, such as Ethernet-to-fibre or serial-to-fibre converters, depending on the device in the network, at remote sites. For example, Ethernet-to-fibre converters need to communicate with cameras and serial-to-fibre converters with speed sensors. These converters also have to operate in harsh environments; therefore, they require a fanless design and a wide temperature operating range.

• Easy troubleshooting from a control centre is vital as field sites are spread out over a wide area. Both high port-density and standalone media converters need to support Simple Network Management Protocol (SNMP) in order to monitor link and power status. A media converter that supports wavelength-division multiplexing (WDM) to cut down on optical fibre cable costs.

Moxa’s solution

The modular design of Moxa’s media converters offers greater flexibility to system integrators (SIs). These media converters can be adopted in control rooms or at remote sites, with slide-in modules making the installation of standalone devices easy. For deployment in the field, both Ethernet-to-fibre and serial-to-fibre media converters are available.

Innovative remote management for easy troubleshooting

The key to any successful network operation is reduced downtime. The TRC-2190 series supports SNMP v1/v2c/v3 to monitor the link and power status and reduce maintenance effort. Moxa’s media converters also have an alarm function to alert network operators in the control room of emergencies or any out-of-the-ordinary events, such as power breakdowns or link loss, in real time. These notifications will make it easier for network engineers to quickly pinpoint the issue to ensure that operations stay up and running.

Rugged design for extreme reliability

Moxa’s media converters support a fanless design for industrial-grade media converters installed at remote sites. This feature guarantees a reliable product in harsh environments as it does not require extra costs due to replacements. Furthermore, these converters support a wide operating temperature range suitable for harsh environments. An additional feature offers noise immunity against light and electromagnetic interference.

Cost saving on cables

Moxa’s media converters support wavelength-division multiplexing (WDM) to cut down on cable costs.

For more information contact RJ Connect, +27 (0)11 781 0777, info@rjconnect.co.za, www.rjconnect.co.za


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