Speed 2.2Mbps - The speed your connected at. Reasonable for a 3mbps connection
Sent 1,503,519 bytes, Received 29,900,687 bytes. - how much as been sent this session
The second set are as follows - you never say what it says they are shown as.
Speedtouch ADSL Modem - modem model
Sent 2,531,227 B Received 33,875,851 B - It sounds like you have had a time out. The first set of figures are from before the computer lost the connection, the second since it has been connected.