MDM-25PHC38K-A174

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D-sub cables are commonly used for computer and telecommunications such as RS-232, RS-422, and RS-485. One of the common D-Sub cable is MDM-25PHC38K-A174; the application field and working principle are discussed in the following.

Application Field

MDM-25PHC38K-A174 is a 25-pin male to female D-Sub cable, usually used in industrial applications that require reliable data transmission between high-end computers, data acquisition systems and Ethernet-enabled machines. It always works in applications consisting of RS-422, RS-232, and RS-485 signals. Besides, this type of D-Sub cable also applies to the communication between motion controllers and machines, as well as between data recorders and bridge instruments.

Working Principle

MDM-25PHC38K-A174 is bi-directional, so it allows simultaneous transmission of signals in both directions along the differential pair. It utilizes the concept of differential signaling, which provides enhanced noise immunity over a single-ended transmission. It uses a twisted pair of colors to offer improved signal protection from outside interference. Moreover, each signal is shielded for enhanced EMI protection and signal integrity. Therefore, it offers reliable data transmission even in harsh electromagnetic environments.

MDM-25PHC38K-A174 has a one-piece molded connector which ensures the durability of the product and an air-gap insulation of the contacts. It has an operating temperature range of -20°C up to 80°C. The housing material is primarily polyvinyl chloride (PVC), and the jacket is made of corrosion-resistant material for a longer life-span. It also helps make the cable more flexible and robust.

In summary, MDM-25PHC38K-A174 is a very reliable D-Sub cable that is mainly applicable in industrial and data transmission applications. Its differential pair transmission and robust construction ensure reliable data transmission while providing enhanced noise immunity.

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