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Nitek CHM22 Crossover, RS422 Dist & 24 VAC Power Insertion Module
The CXM and CHM series crossover power insertion module cards are designed for use with the CX452
modular card cage (purchase separately). These units are components of the Nitek UTPLinks™ video, data & power twisted pair system.
The Nitek CXM and CHM crossover cards are unique unshielded twisted pair (UTP) transmission products designed to operate with TIA/EIA standards-based network cabling. The cards plug into and are powered through the CX452 modular card cage. The Nitek CX452 is a 1 RU card cage that holds up to 5 of the crossover insertion cards. Power is supplied from a separate PS105
power supply (purchase separately). The crossover system and cctv power supply are typically located in an IDF (telecom) closet.
There are four card models available and any of the four can be plugged into the card cage in any combination. Each card is designed to accommodate 4 cameras. The primary function of each of the cards is to provide a means of interfacing copper backbone cables to horizontal cable runs and inserting voltage to the individual camera and/or PTZ over the horizontal run.
In addition, models of the cards are available that provide RS422 distribution and/or video transceivers (see available cards - other side). Using a single standards-compliant 4-pair UTP Cat 5 or better cctv cable, video, data and power can be sent up to 100 meters to a fixed or PTZ camera.