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Standard User 10forcash
(learned) Fri 26-Aug-16 22:15:13
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Odd Power levels


[link to this post]
 
Not sure why the power level changed, or whether it is being reported correctly - no sign of any line defects - your thoughts on the cause gratefully received!
ConnectionStats-2016-08-23-23.31.38
xdslcmd info --stats
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 0
Last initialization procedure status: 0
Max: Upstream rate = 20554 Kbps, Downstream rate = 53992 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 52809 Kbps

Link Power State: L0
Mode: VDSL2 Annex B
VDSL2 Profile: Profile 17a
TPS-TC: PTM Mode(0x0)
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 6.7 6.2
Attn(dB): 11.5 0.0
Pwr(dBm): 13.7 -1.3
VDSL2 framing
Bearer 0
MSGc: 17 150
B: 239 236
M: 1 1
T: 64 5
R: 14 16
S: 0.1446 0.3771
L: 14048 5410
D: 1 1
I: 254 255
N: 254 255
Counters
Bearer 0
OHF: 112731767 1675880
OHFErr: 110 101
RS: 2919838281 3668440
RSCorr: 8622 1421
RSUnCorr: 525 0

Bearer 0
HEC: 233 0
OCD: 9 0
LCD: 9 0
Total Cells: 814032005 0
Data Cells: 908267825 0
Drop Cells: 0
Bit Errors: 0 0

ES: 84 94
SES: 0 0
UAS: 26 26
AS: 261923

Bearer 0
INP: 0.00 0.00
INPRein: 0.00 0.00
delay: 0 0
PER: 2.32 6.15
OR: 79.19 202.87
AgR: 52888.20 20203.27

Bitswap: 163714/163719 2850/2924

Total time = 1 days 45 min 49 sec
FEC: 8622 1421
CRC: 110 101
ES: 84 94
SES: 0 0
UAS: 26 26
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 15 minutes time = 49 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 1 day time = 45 min 49 sec
FEC: 18 10
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 1 day time = 24 hours 0 sec
FEC: 4179 428
CRC: 26 20
ES: 25 20
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Since Link time = 3 days 45 min 23 sec
FEC: 8622 1421
CRC: 110 101
ES: 84 94
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0


ConnectionStats-2016-08-24-01.32.37

xdslcmd info --stats
xdslcmd: ADSL driver and PHY status
Status: Showtime
Retrain Reason: 1
Last initialization procedure status: 0
Max: Upstream rate = 21955 Kbps, Downstream rate = 53892 Kbps
Bearer: 0, Upstream rate = 20000 Kbps, Downstream rate = 52475 Kbps

Link Power State: L0
Mode: VDSL2 Annex B
VDSL2 Profile: Profile 17a
TPS-TC: PTM Mode(0x0)
Trellis: U:ON /D:ON
Line Status: No Defect
Training Status: Showtime
Down Up
SNR (dB): 6.9 6.0
Attn(dB): 11.6 0.0
Pwr(dBm): -2.2 -2.2
VDSL2 framing
Bearer 0
MSGc: 18 150
B: 239 236
M: 1 1
T: 64 5
R: 14 16
S: 0.1456 0.3771
L: 13960 5410
D: 1 1
I: 254 255
N: 254 255
Counters
Bearer 0
OHF: 497425 189892
OHFErr: 1 0
RS: 31807874 3746961
RSCorr: 8 2
RSUnCorr: 1 0

Bearer 0
HEC: 0 0
OCD: 0 0
LCD: 0 0
Total Cells: 117265256 0
Data Cells: 216371 0
Drop Cells: 0
Bit Errors: 0 0

ES: 97 95
SES: 10 0
UAS: 149 139
AS: 1163

Bearer 0
INP: 0.00 0.00
INPRein: 0.00 0.00
delay: 0 0
PER: 2.33 6.15
OR: 82.12 202.87
AgR: 52556.90 20203.27

Bitswap: 812/812 7/7

Total time = 1 days 2 hours 46 min 49 sec
FEC: 8752 1513
CRC: 4093 106
ES: 97 95
SES: 10 0
UAS: 149 139
LOS: 1 0
LOF: 8 0
LOM: 0 0
Latest 15 minutes time = 1 min 49 sec
FEC: 0 1
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Previous 15 minutes time = 15 min 0 sec
FEC: 1 1
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Latest 1 day time = 2 hours 46 min 49 sec
FEC: 148 102
CRC: 3983 5
ES: 13 1
SES: 10 0
UAS: 123 113
LOS: 1 0
LOF: 8 0
LOM: 0 0
Previous 1 day time = 24 hours 0 sec
FEC: 4179 428
CRC: 26 20
ES: 25 20
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Since Link time = 19 min 23 sec
FEC: 8 2
CRC: 1 0
ES: 1 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0

Previous reboot was a planned power outage (switch firmware upgrade) Power and attenuation levels have been constant & stable for 10 months or so
Attn(dB): 11.5 0.0
Pwr(dBm):13.7 -1.3
Standard User 10forcash
(learned) Sun 28-Aug-16 15:05:13
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Re: Odd Power levels


[re: 10forcash] [link to this post]
 
Just had two retrains, noticed that the cab.is now showing as having firmware version v0xb206 - not sure when it changed, must be recently though...
Abridged stats are currently :-
Stats recorded 28 Aug 2016 15:04:38

DSLAM/MSAN type: IFTN:0xb206 / v0xb206
Modem/router firmware: AnnexA version - A2pv6C038m.d24j
DSL mode: VDSL2 Profile 17a
Status: Showtime
Uptime: 33 min 43 sec
Resyncs: 2 (since 22 Aug 2016 21:24:54)

Downstream Upstream
Line attenuation (dB): 11.6 0.0
Signal attenuation (dB): Not available on VDSL2
Connection speed (kbps): 49714 20000
SNR margin (dB): 6.1 6.3
Power (dBm): -1.2 -1.2
Interleave depth: 973 1
INP: 3.00 0
G.INP: Not enabled Not enabled
Vectoring status: Not monitored

RSCorr/RS (%): 0.0001 0.0000
RSUnCorr/RS (%): 0.0000 0.0000
ES/hour: 1.39 2.19
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