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Ǎ-2003 . 2002 - MEGATRANS-3. MEGATRANS-3L, 12-14 , TC-PAM , 0,81.2, -60. FlexDSL. DSL G.shdsl ( TC-PAM), DSL-, . - FlexDSL Discovery. FlexDSL Discovery - DSL- . 4,6 / 1+1 Discovery , VLAN . FlexDSL FlexGain, . SDH- / TDM+IP - FlexGain A155. SDH STM-1/4 . STM-1, - TDM IP. xDSL- , , .
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