4213624l1-m
The 4213624L1-M is a T1 TDM 24 FXS PORTS W/ DSX, MCI for the product line. VenTel buys, sells, tests and installs ADTRAN products.
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Terminology
T1
- DIGITAL SIGNAL 1 (DS1, ALSO CALLED T1) IS A T-CARRIER SIGNAL DEVISED BY BELL LABSTDM
- TIME DIVISION MULTIPLEXINGFXS
- FOREIGN EXCHANGE STATION, RJ-11 CONNECTION TO BASIC TELEPHONE EQUIPMENT