TNS Asia Pacific Pte Ltd

Overview

An airport terminal must be equipped to handle many tasks, including passenger traffic, ticket purchases and check-in, luggage transfers, security checkpoints, and more. The terminals also need to manage basic utilities, runway signals, and power dispatch systems. All of these tasks require coordinating a great deal of information and equipment over a communication network. A central control room typically handles all the control signals for multiple operations within an airport.

The control room of the new international terminal of a major Chinese city needed to connect various devices via different media interfaces including Ethernet, RS-232, RS-422, and RS-485, depending on the application and distance from the control room. In addition, the airport needed a total communication solution that would incorporate runway signal controls and power source monitoring. High standards for security and architectural stability
were also required for the airport’s applications.

Solution

MOXA NPort 5232I was used for the network infrastructure and MOXA CP-138U-I was used to transmit serial communication signals locally. This allowed the control center to gather power control signals via multiport serial boards (CP-138U-I) and remotely monitor power meter data by using an Ethernet-to-serial device (NPort 5232I). Moreover, both the CP-138U-I and NPort 5232I provide reliable optical isolation protection.

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