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Product Overview: The G.703 (Co-Directional G.703) interface divides 64Kbps cycle into 4 unit intervals, it uses0101 represent 0, 1100 represent 1".By alternating transformation polarity of the adjacent ...
...75ohm & 120ohm) / 2xSTM-1 155M line unit integrated board SS49SCBH equipped with 2 S-1.1 15km SFP module Supports the SCC unit, XC unit, STG unit, EOW unit, STM-1/STM-4/STM-16 optical interfaces, and E1 elec...