4185001l1
M3M1SL0 M3M1SL0BRA
The 4185001L1 is a REDUNDANT DS3 SYSTEM for the product line. VenTel buys, sells, tests and installs ADTRAN products.
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Terminology
DS3
- DIGITAL SIGNAL LEVEL 3 T-CARRIER (ALSO CALLED T3) = 28 DS1 CHANNELS