DSL stands for D-S-low?

Kevin M.: The speed on our office DSL is billed as 10 Meg service. During early morning we see 8.2 Meg, daytime 4-6 Meg, and in the evenings 700 kb – 1.5 Meg. We are in a residential area. Serviced by a sub-office box (SLIC) about half a mile up the road. I suspect heavy …