Your source for the most up-to-date terms, definitions, and acronyms for and about internet service providers.
Search for an ISP term
E1
Last modified: Thursday, April 24, 2003
Similar to the North American T-1, E1 is the European format for digital transmission.
E1 carries signals at 2 Mbps (32 channels at 64Kbps, with 2 channels reserved for signaling and controlling), versus the T1, which carries signals at 1.544 Mbps (24 channels at 64Kbps). E1 and T1 lines may be interconnected for international use.