Voice/data switching as easy as a knob turn

The Model 9450 DB25 rack-mount switch from Electro Standards Laboratories does not require plugging or unplugging cables.

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Electro Standards Laboratories’ Model 9450 DB25 Switch claims to allow users to switch equipment between voice and data ports with a simple turn of a knob on the device’s front panel. Not having to plug and unplug cables eliminates connector wear, the company explains.

The Model 9450 is a manual, single-channel A/B switch in a rackmount enclosure. The switching mechanism is a sealed precious-metal contact switch with all 25 pins supported, according to Electro Standards Laboratories. The all-aluminum enclosure provides shielding from electromagnetic and radio-frequency interference, the company notes. Also, the switch’s manual control means no power supply is necessary.

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