Netopia 2200 - Manual (Page 304)

304
VDSL Parameters Accepted Values
Parameter Accepted Values
sys-option Bit[0]: NTR_DISABLE
Bit[1]: ALW_MARGIN_ADJUST.
1: the SNR margin for the optional band is reduced by up to 2.5
dB, but never below a minimum of 4 dB.
Bit[2]: SUPPORT_INI
Bit[4]: TLAN Enable
Bit[5]: PBO Weak mode Enable (Applicable only when PBO
Bit[3]=0.
Bit[6]: ADSL_SAFE_MODE Enable
Bit[7]: TLAN_SAFE_MODE Enable (Applicable only when TLAN
Enable Bit[4] is set. If TLAN_SAFE_MODE not set, line will
attempt to retrain at higher rates, but less stable line)