Acer ALH-616ds - Manual (Page 21)

The number of utilization is in percentage. For example, "15" of "100M" means
15% of 100Mbps, "55+" of "10M" means the utilization is more than 55% of
10Mbps.
Figure 2-16 Network utilization indicators
ROW Speed Color Utilization
10 M 10Mbps Green 5, 15, 25
Orange 35, 55+
100 M 100Mbps Green 5, 15, 25
Orange 35, 55+
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616ds