ADSL2+ – Fast Path or Interleaved?

Hi All,

 

I  am trying to understand the output of a ‘show dsl int atm 0′ command  for a Cisco 877 router when the modulation is ADSL2+. Previuosly I have  been able to determine whether the connection is Fast Path or  Interleaved from the output but this was when the modulation was using  G-DMT as shown below: -

 

ADSL_Router#show dsl int atm 0
ATM0
Alcatel 20190 chipset information
                ATU-R (DS)                      ATU-C (US)
Modem Status:    Showtime (DMTDSL_SHOWTIME)
DSL Mode:        ITU G.992.1 (G.DMT) Annex A
ITU STD NUM:     0×03                            0×2
Vendor ID:       ‘STMI’                          ‘TSTC’
Vendor Specific: 0×0000                          0×0000
Vendor Country:  0x0F                            0xB5
Chip ID:         C196 (0)
DFE BOM:         DFE3.0 Annex A (1)
Capacity Used:   88%                             47%
Noise Margin:    13.0 dB                         26.0 dB
Output Power:    20.0 dBm                        12.0 dBm
Attenuation:     22.0 dB                         10.5 dB
FEC ES Errors:    0                               0
ES Errors:        1                              21
SES Errors:       0                               0
LOSES Errors:     0                               0
UES Errors:       0                               0
Defect Status:   None                            None                       
Last Fail Code:  None
Watchdog Counter: 0×32
Watchdog Resets: 0
Selftest Result: 0×00
Subfunction:     0×00
Interrupts:      8248 (0 spurious)
PHY Access Err:  0
Activations:     2
LED Status:      ON
LED On Time:     100
LED Off Time:    100
Init FW:         init_AMR-4.0.015_no_bist.bin
Operation FW:    AMR-4.0.015.bin
FW Source:       embedded
FW Version:      4.0.15

 

                 Interleave             Fast    Interleave              Fast
Speed (kbps):          8128                0           448                 0
Cells:            242256075                0    1007047840                 0
Reed-Solomon EC:        352                0           117                 0
CRC Errors:               0                0            27                 0
Header Errors:            0                0            16                 0
Total BER:                0E-0           0E-0
Leakage Average BER:      0E-0           0E-0

 

 

I  now have a couple of sites and it is not possible to tell from the  output when they are connected using ADSL2+ as shown below: -

 

Alcatel 20190 chipset information

                ATU-R (DS)                      ATU-C (US)

Modem Status:    Showtime (DMTDSL_SHOWTIME)

DSL Mode:        ITU G.992.3 (ADSL2) Annex A

ITU STD NUM:     0×03                            0×2

Chip Vendor ID:  ‘STMI’                          ‘BDCM’

Chip Vendor Specific:  0×0000                    0xA108

Chip Vendor Country:   0x0F                      0xB5

Modem Vendor ID: ‘CSCO’                          ‘BDCM’

Modem Vendor Specific: 0×0000                    0×0000

Modem Vendor Country:  0xB5                      0xB5

Serial Number Near:    FCZ120191AP

Serial Number Far:

Modem Version Near:    12.4(4)T8

Modem Version Far:     v10.02.08

Capacity Used:   12%                             100%

Noise Margin:    41.0 dB                          7.5 dB

Output Power:    13.0 dBm                        12.0 dBm

Attenuation:      5.0 dB                          0.0 dB

Defect Status:   None                            None

Last Fail Code:  None

Watchdog Counter: 0xF4

Watchdog Resets: 0

Selftest Result: 0×00

Subfunction:     0×00

Interrupts:      19220 (0 spurious)

PHY Access Err:  0

Activations:     8

LED Status:      ON

LED On Time:     100

LED Off Time:    100

Init FW:         embedded

Operation FW:    embedded

FW Version:      2.542

 

                 DS Channel1      DS Channel0   US Channel1       US Channel0

Speed (kbps):             0             1024             0              1023

Cells:                    0        203714917             0         763040470

Reed-Solomon EC:          0                0             0                 0

CRC Errors:               0                0             0                 0

Header Errors:            0                0             0                 0

Interleave Delay:         0                0             0                 0

 

 

Instead  of Fast and Interleaved it shows DS Channel and US Channel outputs. Is  it possible to tell if these are Fast or Interleaved?

 

Thanks in advance