As the transfer point between land and sea transportation, seaports have a critical role in the global economy. Harbors combine the major operations of large-scale shipment, storage, and transportation. A seaport surveillance system must be on a large scale as well, covering roads, ports, docks, bonded areas, container yards, and shipping areas.
For this particular video surveillance system, different areas required different levels of access and control to the surveillance system. Certain areas also required a means of emergency communication to the control center. The system was characterized by the following:
- Long distances between each area
- Hazardous environments
- Multi-level infrastructures
- Data, voice, and video integration
In order to ensure maximum reliability, it was critical that redundancy was incorporated into all subsystems and into the entire system architecture.
System Requirements
- High reliability
- Wide bandwidth
- High flexibility
- Industrial-grade video server for CCTV integration
- IP surveillance software for multiple video control and monitoring
- Rugged design for outdoor environments
| Moxa Products |
| EDS-728 |
24+4G-port modular managed Gigabit Ethernet switch |
| VPort 351 |
Single-channel full-motion MPEG4/MJPEG industrial video encoder |
|
System Block Diagram
System Infrastructure
Different levels of control authority were assigned to the main control center and sub monitoring rooms (Rooms 1 through 4). The main control room could simultaneously control, record and monitor all other rooms. Each sub monitoring room had control of its own camera but not of other rooms.
Networking Infrastructure
An industrial Gigabit Ethernet network was used to ensure enough bandwidth for all video, voice, and data information. The EDS-728 Ethernet switch was used in the main control room for the redundant network backbone, which used a Gigabit Turbo Ring topology. The subsystems also used the EDS-728 for local fiber optic rings. Additional Gigabit ports were used for uplinks and ring coupling, to connect other nodes or Turbo Rings at Gigabit speeds.
Video Networking Infrastructure
The VPort 351 was used to connect analog CCTV cameras to the network for remote video surveillance monitoring. Fiber optic media was used to connect the VPort to the EDS-728 over long distances. Moxa's SoftDVR Pro software was installed in the main control room for simultaneous real-time control, monitoring, and recording of multiple remote video feeds.
Benefits from Moxa
- Fiber optic media with EDS-728 for long distance transmission.
- Up to 4 gigabit ports with EDS-728 for high-bandwidth Gigabit network backbone that supports real-time video streaming
- Turbo Ring architecture for network redundancy and 20 ms network recovery time
- Industrial rugged design with VPort 351 and EDS-728 for hazardous seaport environments
- Remote access, control, and monitoring from anywhere at anytime
- Digital images that are easy to edit, store, and transmit
- Easy integration with other systems and applications
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