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Reply To: HUAWEI 2:1 & 4:1 multiplexing mode


they both are multiplexing modes.
they show that you will combine 2 lines in 1 or combine 4 in 1.
for example
if you have SDCCH congestion on abis with 2:1 you can change it to 4:1 and you have just doubled your E1 TS