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Technical Description: A T1/E1 (CEPT1) INTERFACE FANOUT unit to interface with commercial telecommunications equipment to NSA/Washington existing processing equipment and/or other CTE (commercial telecommunications equipment). This unit will minimize space requirements (3-inch X 9-inch X 12-inch), cooling requirements (no internal fan required/making desk operation quiet) and power consumption. It has the capability to decode and encode T1/E1 signals, along with providing up to eight mode fanout, the unit will provide the capability to reencode output signals.

This unit can be configured in any of eight channel configuration modes depending on the desired number of output signals required by one signal input. It provides a user friendly atmosphere by putting an LED on the front panel and a selection switch for T1/E1 and when the appropriate signal is applied to the unit within 100ppm, the green light comes on. It contains a Jitter Control (signal stability) for incoming and outgoing signals with a unit with much flexibility not only with signal interfacing, but with physical characteristics. The unit is very light and has a fist size handle mounted on one side for easy carrying. The unit also has an optional rackmount kit to allow it to be installed either in the front or rear of a standard 19-inch equipment rack. Submitted to patent attorney for review.

Commercial Application: Used when an Integrated Services Digital Network (ISDN) is being used and there is a need to pipe one T1 or E1 to several different locations at the same time, use of these units to supply the same T1 or E1 to a system nine times without any signal distortion. It works very well for multiple tasking on the same signal.

Released: 1998

If you are interested in exploring this technology further, please call 410-684-3572 or express your interest in writing to the National Security Agency, Office of Research and Technology Application - RT, 9800 Savage Road, Suite 6541, Fort George G. Meade, Maryland 20755-6541.