(communications) A device that transfers control, timing, and data signals between switching processor subsystems; designed to provide physical and electrical isolation, to provide for simple addition of units on an in-service basis, and to provide pluggable connection for efficient factory testing, installation, and maintenance.
Hamilton Grange is located within New York City's Saint Nicholas Park, which is open from 6:00 a.m. to 1:00 a.m., but the grounds immediately surrounding the building are National Park Service property and maintain the same operating hours as the visitor center.
Known as the official residence of the U.S. President, the White House is exactly situated at 1600 Pennsylvania NW in Washington, D.C. The late President George Washington proposed the construction of the house and he chose the place where the mansion was built. Architect James Hoban made a floor plan for the house an it was approved by by the Congress in 1792.