A European format for digital transmission. E1 supports 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).
JSC Central Telegraph is one of the leading carriers in Russia; its history is more than 150 years long. The history of Central Telegraph is closely related with the development of communication in Russia. Telecommunication technologies developed, the lif
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