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Profile
Port |
The port assigned to this interface. |
Max Tone Channel |
Specifies the maximum upstream active tone. Values 6 (24 KHz) to 30 (120 KHz) Each value represents 4 KHz. Default: 30 Changing this value causes the DSL modems to retrain. |
Min Tone Channel |
Specifies the minumum upsteram active tone. Values: 6 (24KHz) to 30 (120KHz) Each value represents 4 KHz. Default: 6 Changing this value causes the DSL mode |
Training Mode |
The transmit rate adaptation configured on this modem. Supported values: fixed: The rate is negotiated at startup and remains fixed. Modem speed is determined by the fastMaxTxRate or interleaveMaxTxRate parameters. adaptatstartup: The rate is negotiated at startup and remains fixed. Modem speed is determined by the fastMaxTxRate or interleaveMaxTxRate parameters. If the line is able to support a higher rate, the rate above the minimum is assigned to the available channel (either fast or interleave). adaptatruntime: The rate is negotiated dynamically and can vary between the maximum and minimum configured rates. If the line conditions change during runtime, the line speed is adjusted. Default: adaptatruntime |
Channel Ratio (%Fast) |
Configured allocation ratio of excess transmit bandwidth between fast and interleaved channels. Default: 50 |
Target SNR Margin (dB/10) |
Target signal to noise margin (in tenths of dBs). This is the noise margin the modem must achieve with a BER of 10-7 or better to successfully complete initialization. Default: 60 |
Max SNR Margin (dB/10) |
Maximum acceptable signal/noise margin (in tenths of dBs). If the noise margin rises above this the modem attempts to reduce its power output to optimize its operation. Default: 310 |
Min SNR Margin (dB/10) |
Configured Signal/Noise Margin for rate downshift. If the noise margin falls below this level, the modem should attempt to decrease its transmit rate. default: 0 |
Downshift SNR Margin (dB/10) |
Configured Signal/Noise Margin for rate upshift. If the noise margin rises above this level, the modem should attempt to increase its transmit rate. default: 0 |
Downshift Time (sec) |
Minimum time that the current margin is below DownshiftSnrMgn before a downshift occurs. In the case that RADSL mode is not present, the value will be `0'." |
Upshift SNR Margin (dB/10) |
Minimum time that the current margin is above UpshiftSnrMgn before an upshift occurs. default: 0 |
Upshift Time (sec) |
Minimum time that the current margin is above UpshiftSnrMgn before an upshift occurs. In the case that RADSL is not present, the value will be `0'. |
Fast Max Train Rate (bps) |
Configured Maximum Transmit rate for `Fast' channels, in bps. |
Fast Min Train Rate (bps) |
Configured Minimum Transmit rate for `Fast' channels, in bps. |
Interleaved Max Train Rate (bps) |
Configured Maximum Transmit rate for `Interleave' channels, in bps. |
Interleaved Min Train Rate (bps) |
Configured Minimum Transmit rate for `Interleave' channels, in bps. |
Interleaved Delay (msec) |
Interleave Delay for this channel. Interleave delay applies only to the interleave (slow) channel and defines the mapping (relative spacing) between subsequent input bytes at the interleave input and their placement in the bit stream at the interleave output. Larger numbers provide greater separation between consecutive input bytes in the output bit stream allowing for improved impulse noise immunity at the expense of payload latency. For fast channels, this is zero |
Enable Init-Failure Trap |
Enables and disables the InitFailureTrap. This trap controls whether line up or line down traps are sent while the system is booting up. Values Enable Disable Default : Disable |
Min Tx Threshold Alarm |
Minimum CPE Tx Sync rate threshold alarm. If set to 0, this field is disregarded. Otherwise, if Tx Syncate falls below this value, a trap and alarm will be issued. |
Minimum INP |
Minimum impulse noise protection. Conexant Annex-A ports only support 0, 1, 5, 10 and 20 configuration values (0..1 I 5..160). Conexant Annex-B ports do not support this object. Broadcom ports only support the configuration values 0, and 5 through 160 (0 I 5..160). They do not support the AUTO configuration setting. Values 5 - 160: Specifies the number of symbols in 1/10 increments. 1: Specifies AUTO configuration which automatically selects the INP value based on configured line rate and configured max-delay. 0: Specifies no protection. Default 1 (for Connexant Annex-B port) 0 (for Broacom port) |
PhyR Support |
Whether downstream PHYR is enabled. Only supported by Broadcom PHYR ports. |
PhyR Maximum INP |
Indicates PHYR maximum impulse noise protection. Only supported by ADSL Broadcom PHYR ports. 5 - 160: Specifies the number of symbols in 1/10 increments. 0: Specifies no protection. Default 0 |
PhyR Minimum RSOverhead |
PHYR minimum RS overhead. Only supported by Broadcom PHYR ports Default 0 |
PhyR Rtx Ratio |
PHYR minimum fraction of the line rate allocated for retransmission. Only supported by Broadcom PHYR ports. |
Tx Power Attenuation(dB) |
Transmit power attenuation. Value ranges from -255 to 255 dB. |
CAB Mode |
ADSL 2+ cabinet mode setting values are different with Conexant Chipset based balades and Broadcom Chipset based blades. Conexant Chipset Based Blades: Off= Sets Cabinet Mode to off On = Sets Cabinet Mode to ON and downstream cut-off frequency is set to 1.1 Mhz. Broadcom Chipset Based Blades: 0 = OFF 1 - 15 = Sets Cabinet Mode to ON and selects TX Filter 1-15. The TX Filters set the downstream cut-off frequency as per the following table: Filter# Cutoff Frequency 2 646.875 Khz 3 690 Khz 4 733.125 Khz 5 776.25 Khz 6 819.375 Khz 7 862.5 Khz 8 905.625 Khz 9 948.75 Khz 10 991.875 Khz 11 1035 Khz 12 1078.125 Khz 13 1121.25 Khz 14 1164.375 Khz 15 1207.5 Khz |
May 14, 2011