Pardon my ignorance but I'm trying to understand couple of illogical things here :
When Ogero introduced the DSL packages and rate, they limited the DSL bandwidth to 1mbps claiming that any bandwidth above it is not supported due to old infrastructure ( from home to DSLAM etc.. ) and HDSL modem is required with separate connection to network whatsoever as we are still using copper twisted cables etc..
In that case, how can we get our 2mpbs - 4mbps connections ? should we all upgrade to HDSL ? which I highly doubt
What about the extra fee if you are a heavy user and what about the upload speeds
Actually When I upgraded my Ogero connection from 512kbps to 1mbps last year, I couldn't use the G.dmt modulation anymore which seems to work better than other type of modulation ( latency 10ms lower between host and DSLAM and the rate was 512kbps/128kbps vs 507kbps/121kbps reported by the modem )
On a 1mbps from Ogero, I can only connect using ADSL2 or ADSL2+ modulation which seems to be weird...
Anyway here's what my modem reports :
Statistics -- ADSL
Mode: ADSL2+
Line Coding: Trellis On
Status: No Defect
Link Power State: L0
Downstream Upstream
SNR Margin (dB): 33.8 34.0
Attenuation (dB): 27.5 12.3
Output Power (dBm): 12.0 0.4
Attainable Rate (Kbps): 9820 324
Rate (Kbps): 1022 250
MSGc (number of bytes in overhead channel message): 53 75
B (number of bytes in Mux Data Frame): 35 7
M (number of Mux Data Frames in FEC Data Frame): 1 16
T (Mux Data Frames over sync bytes): 1 1
R (number of check bytes in FEC Data Frame): 16 16
S (ratio of FEC over PMD Data Frame length): 1.0947 14.2222
L (number of bits in PMD Data Frame): 380 81
D (interleaver depth): 64 4
Delay (msec): 17 14
Super Frames: 42750788 137181
Super Frame Errors: 0 0
RS Words: 2522296500 710643
RS Correctable Errors: 512 0
RS Uncorrectable Errors: 0 N/A
.....
================================================== =======
Statistics -- ADSL
Mode: ADSL2
Line Coding: Trellis On
Status: No Defect
Link Power State: L0
Downstream Upstream
SNR Margin (dB): 39.6 29.0
Attenuation (dB): 16.5 12.1
Output Power (dBm): 12.2 0.4
Attainable Rate (Kbps): 13817 324
Rate (Kbps): 1023 252
MSGc (number of bytes in overhead channel message): 53 75
B (number of bytes in Mux Data Frame): 35 7
M (number of Mux Data Frames in FEC Data Frame): 1 16
T (Mux Data Frames over sync bytes): 1 1
R (number of check bytes in FEC Data Frame): 16 16
S (ratio of FEC over PMD Data Frame length): 1.0947 14.2222
L (number of bits in PMD Data Frame): 380 81
D (interleaver depth): 64 4
Delay (msec): 17 14
Super Frames: 3477 3064
Super Frame Errors: 0 0
RS Words: 205164 15499
RS Correctable Errors: 0 0
RS Uncorrectable Errors: 0 N/A
......
Under G.dmt the attainable download rate was around 11mbps and upload was 1.4 mbps; unfortunately under ADSL2/ADSL2+ modulation, it's only 324kbps for the upload... The SNR was higher and attenuation was lower...
I am not sure if the ISPs will provide the new advertised bandwidth to end-users , but without a good QoS and latency, those numbers mean nothing unless all we care about is the extra quota and lower prices; but again, still better than nothing... crossed fingers.
Appreciate any comment or clarification
When Ogero introduced the DSL packages and rate, they limited the DSL bandwidth to 1mbps claiming that any bandwidth above it is not supported due to old infrastructure ( from home to DSLAM etc.. ) and HDSL modem is required with separate connection to network whatsoever as we are still using copper twisted cables etc..
In that case, how can we get our 2mpbs - 4mbps connections ? should we all upgrade to HDSL ? which I highly doubt
What about the extra fee if you are a heavy user and what about the upload speeds
Actually When I upgraded my Ogero connection from 512kbps to 1mbps last year, I couldn't use the G.dmt modulation anymore which seems to work better than other type of modulation ( latency 10ms lower between host and DSLAM and the rate was 512kbps/128kbps vs 507kbps/121kbps reported by the modem )
On a 1mbps from Ogero, I can only connect using ADSL2 or ADSL2+ modulation which seems to be weird...
Anyway here's what my modem reports :
Statistics -- ADSL
Mode: ADSL2+
Line Coding: Trellis On
Status: No Defect
Link Power State: L0
Downstream Upstream
SNR Margin (dB): 33.8 34.0
Attenuation (dB): 27.5 12.3
Output Power (dBm): 12.0 0.4
Attainable Rate (Kbps): 9820 324
Rate (Kbps): 1022 250
MSGc (number of bytes in overhead channel message): 53 75
B (number of bytes in Mux Data Frame): 35 7
M (number of Mux Data Frames in FEC Data Frame): 1 16
T (Mux Data Frames over sync bytes): 1 1
R (number of check bytes in FEC Data Frame): 16 16
S (ratio of FEC over PMD Data Frame length): 1.0947 14.2222
L (number of bits in PMD Data Frame): 380 81
D (interleaver depth): 64 4
Delay (msec): 17 14
Super Frames: 42750788 137181
Super Frame Errors: 0 0
RS Words: 2522296500 710643
RS Correctable Errors: 512 0
RS Uncorrectable Errors: 0 N/A
.....
================================================== =======
Statistics -- ADSL
Mode: ADSL2
Line Coding: Trellis On
Status: No Defect
Link Power State: L0
Downstream Upstream
SNR Margin (dB): 39.6 29.0
Attenuation (dB): 16.5 12.1
Output Power (dBm): 12.2 0.4
Attainable Rate (Kbps): 13817 324
Rate (Kbps): 1023 252
MSGc (number of bytes in overhead channel message): 53 75
B (number of bytes in Mux Data Frame): 35 7
M (number of Mux Data Frames in FEC Data Frame): 1 16
T (Mux Data Frames over sync bytes): 1 1
R (number of check bytes in FEC Data Frame): 16 16
S (ratio of FEC over PMD Data Frame length): 1.0947 14.2222
L (number of bits in PMD Data Frame): 380 81
D (interleaver depth): 64 4
Delay (msec): 17 14
Super Frames: 3477 3064
Super Frame Errors: 0 0
RS Words: 205164 15499
RS Correctable Errors: 0 0
RS Uncorrectable Errors: 0 N/A
......
Under G.dmt the attainable download rate was around 11mbps and upload was 1.4 mbps; unfortunately under ADSL2/ADSL2+ modulation, it's only 324kbps for the upload... The SNR was higher and attenuation was lower...
I am not sure if the ISPs will provide the new advertised bandwidth to end-users , but without a good QoS and latency, those numbers mean nothing unless all we care about is the extra quota and lower prices; but again, still better than nothing... crossed fingers.
Appreciate any comment or clarification