Digital Signal 3

A Digital Signal 3 (DS3) is a digital signal level 3 T-carrier. It may also be referred to as a T3 line.

  • The data rate for this type of signal is 44.736 Mbit/s (45 Mb).
  • DS3 uses 75ohm coaxial cable and BNC connectors.
  • This level of carrier can transport 28 DS1 level signals within its payload.
  • This level of carrier can transport 672 DS0 level channels within its payload.[1]
  • Such circuits are the usual kind between telephony carriers, both wired and wireless, and typically by OC1[citation needed] optical connections.
  1. ^ McMahan, Emmet. "Guide to T3 / DS3 Broadband Basics". Business.com. Archived from the original on 28 July 2012. Retrieved 9 June 2011.