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The VS-4228 is a high-quality two-directional matrix switcher for RS-422 control signals and can link multiple ports to create up to four bidirectional groups. Manage the device through the front panel, RS-232 (includes K-Router™ Windows®- based software), & RS-485. The unit saves multiple switches as presets to allow you recall and execute when required. The matrix switcher replaces the VS-4216.

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