Technical Terms and Definitions

M23 - Telecommunications

Multiplex 2-to-3. A DS-3 (T-3) signal format that combines seven DS-2s (T-2s) to from a DS-3 (T-3). M23 multiplexor (MUX) combines 7 T-2s into a T-3 at a total signaling rate of 44.736 Mbps, adding more signaling and control bits than the previous technologies of M24 and M12.