KS21997-L3

AT&T

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High-precision component framework designed to Western Electric industrial standards for reliable data handling inside mechanical and early electronic switching hubs. Equivalents: Western Electric KS21997-L3, Lucent KS21997-L3. Real-Life Examples: Legacy private branch exchange (PBX) telephone rooms, commercial building voice trunk demarcation points, crossbar switching frames.

GREENBROOK105MF