Have you logged in to your router to look at the diagnostics or log files to see why its dropping your connection?
Is this what you mean?
Logs > System Log
8/21/2012 11:46:23> netMakeChannDial: err=-3001 rn_p=806cf404
8/21/2012 11:46:23> MPOA Link Up
8/21/2012 11:46:23> SNMP TRAP 3: link up
8/21/2012 11:46:30> Configuration Change!
8/21/2012 11:46:33> DHCP client get WAN IP: 112.207.28.6
8/21/2012 11:51:20> Configuration Change!
8/21/2012 11:51:22> Last errorlog repeat 2 Times
8/21/2012 11:51:22> CPU is overloading
8/21/2012 11:51:22> Configuration Change!
8/21/2012 11:51:36> Last errorlog repeat 7 Times
8/21/2012 11:56:49> WEB Login Fail
8/21/2012 11:56:49> Last errorlog repeat 1 Times
8/21/2012 11:57:26> WEB user <adminpldt> login
Ignore the CPU is overloading it's only 6% and WEB login Fail it's me.
Diagnostic > DSL Line
[ SAR Counters ]
inPkts = 0x0000b7aa, inDiscards = 0x00000000
inF4Pkts = 0x00000000, inF5Pkts = 0x00000001
inDMATaskEnd = 0x00000000, inBufErr = 0x00000000
inCrcErr = 0x00000000
inBufOverflow = 0x00000000, inBufMaxLenErr = 0x00000000
inBufLenErr = 0x00000000, inBufDescrOV = 0x00000009
outPkts = 0x000082d9, outDiscards = 0x000000b4
outF4Pkts = 0x00000000, outF5Pkts = 0x00000001
softRstCnt = 0x00000000
inCrc10Err = 0x00000002
inMngBufOV = 0x00000000, inCcBufOV = 0x00000000
inMngBufDescrOV= 0x00000000, inCcBufDescrOV = 0x00000000
inMpoaErr = 0x00000000, inVlanHit = 0x00000000
inCcUDoneErr = 0x00000000, inCcUBDURErr = 0x00000000
outAckDiscards = 0x00000000
relative capacity occupation: 100%
noise margin upstream: 20.5 db
output power downstream: 17.3 dbm
attenuation upstream: 27.5 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 25 67 88 89 99 99 a9 a9 88 88 67 65 53
tone 32- 63: 57 78 8a 9a bc bc bc dd dd dd cc dc cc cc bc bc
tone 64- 95: ab bb ab b2 bb bb aa aa 99 98 98 89 89 86 88 77
tone 96-127: 77 76 77 77 66 65 56 66 75 65 66 56 55 54 55 44
tone 128-159: 44 55 44 43 44 44 43 44 33 33 33 23 32 22 32 02
tone 160-191: 21 02 22 10 00 11 02 00 01 10 00 00 00 00 00 00
tone 192-223: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 224-255: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
relative capacity occupation: 100%
noise margin downstream: 3.7 db
output power upstream: 12.3 dbm
attenuation downstream: 52.0 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 25 67 88 89 99 99 a9 a9 88 88 67 65 53
tone 32- 63: 57 78 8a 9a bc bc bc dd dd dd cc dc cc cc bc bc
tone 64- 95: ab bb ab b2 bb bb aa aa 99 98 98 89 89 86 88 77
tone 96-127: 77 76 77 77 66 65 56 66 75 65 66 56 55 54 55 44
tone 128-159: 44 55 44 43 44 44 43 44 33 33 33 23 32 22 32 02
tone 160-191: 21 02 22 10 00 11 02 00 01 10 00 00 00 00 00 00
tone 192-223: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 224-255: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 256-287: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 288-319: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 320-351: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 352-383: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 384-415: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 416-447: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 448-479: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 480-511: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00