I have a Motorola MG7550 cable modem. this is a 16x4 modem. When first booted the US (upstream) arrow light is blue, which indicates 2 or more of the 4 US bonded connections are in use. After a while (intermittently) the light changes to GREEN which means only 1 upstream connection is in use. If I look at the admin interface on the modem status I see 4 locked/bonded US channels in use. However 3 of the 4 US connections show ATDMA modulation at 5k sym/sec while one connection shows TDMA at 2k sym/sec (guessing that is the one that is in use). Levels seem OK. US levels for all 4 connections are around +42 each. DS levels for all 16 connections are around +5 each and SNR all exceed 30 db. The cable provider is Spectrum upstate New York. My question is: When the US connection drops from 2 or more connections in use down to 1, is this indicative of an error? Or is this something cable providers normally do with their connections? DS connections do not experience this change. Thanks
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