Have just been having a mess and got this from the router:
/usr/sbin/adslctl: ADSL driver and PHY status
Status: Showtime Channel: INTR, Upstream rate = 768 Kbps, Downstream rate = 5312 Kbps
Link Power State: L0
Mode: G.DMT
Channel: Interleave
Trellis: ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 8.0 16.0
Attn(dB): 48.0 30.0
Pwr(dBm): 19.7 12.5
Max(Kbps): 5952 1120
Rate (Kbps): 5312 768
G.dmt framing
K: 167(0) 25
R: 16 16
S: 1 8
D: 64 8
ADSL2 framing
MSGc: 1 1
B: 167 25
M: 1 8
T: 1 1
R: 16 16
S: 1.0952 8.6153
L: 1344 208
D: 64 8
Counters
SF: 235245 235243
SFErr: 1 2
RS: 15996688 1999565
RSCorr: 95020 30
RSUnCorr: 1 0
HEC: 0 2
OCD: 0 0
LCD: 0 0
Total Cells: 50111262 0
Data Cells: 656870 0
Drop Cells: 0
Bit Errors: 0 0
ES: 2 0
SES: 1 0
UAS: 20 0
Total time = 1 hours 7 min 6 sec
SF = 235245
CRC = 1
LOS = 1
LOF = 0
ES = 2
Latest 1 day time = 1 hours 7 min 6 sec
SF = 235245
CRC = 1
LOS = 1
LOF = 0
ES = 2
Latest 15 minutes time = 7 min 6 sec
SF = 25054
CRC = 0
LOS = 1
LOF = 0
ES = 1
Previous 15 minutes time = 15 min 0 sec
SF = 52989
CRC = 0
LOS = 0
LOF = 0
ES = 0
Previous 1 day time = 0 sec
SF = 0
CRC = 0
LOS = 0
LOF = 0
ES = 0
15 minutes interval [-30 min to -15 min] time = 15 min 0 sec
SF = 52931
CRC = 1
LOS = 0
LOF = 0
ES = 1
15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
SF = 52930
CRC = 0
LOS = 0
LOF = 0
ES = 0
15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
SF = 51341
CRC = 0
LOS = 0
LOF = 0
ES = 0
So nice to have some spare time to waste