Specifications

CLI Management Guide

TigerAccess™ EE

88 SMC7824M/VSW

The following table shows bandwidth of Ham band frequency.

Ham band Bandwidth of Frequency(Unit:MHz) Standard

band1 1.800 ~ 1.810 RFI Notch

band2 1.800 ~ 1.825 KOREA HAM-BAND

band3 1.810 ~ 1.825 ANNEX F

band4 1.810 ~ 2.000 ETSI, T1E1

band5 1.9075 ~ 1.9125 ANNEX F

band6 3.500 ~ 3.550 KOREA HAM-BAND

band7 3.500 ~ 3.575 ANNEX F

band8 3.500 ~ 3.800 ETSI

band9 3.500 ~ 4.000 T1E1

band10 3.747 ~ 3.754 ANNEX F

band11 3.790 ~ 3.800 KOREA HAM-BAND

band12 3.791 ~ 3.805 ANNEX F

band13 7.000 ~ 7.100 KOREA HAM-BAND ANNEX F, ETSI

band14 7.000 ~ 7.300 T1E1

band15 10.100 ~ 10.150 KOREA HAM-BAND, ANNEX F, ETSI, T1E1

band16 14.000 ~ 14.350 ANNEX F, ETSI, T1E1

band17 18.068 ~ 18.168 ANNEX F, ETSI, T1E1

band18 21.000 ~ 21.450 ANNEX F, ETSI, T1E1

band19 24.890 ~ 24.990 ANNEX F, ETSI, T1E1

band20 28.000 ~ 29.100 ETSI

band21 28.000 ~ 29.700 ANNEX F, ETSI, T1E1

Tab. 5.7 Bandwidth of Ham band Frequency

The following is an example of disabling Ham band 1 and Ham band 3 of VDSL port 1

and 2.

SWITCH(bridge)# lre 1-2 ham-band band1 band3

SWITCH(bridge)# show lre ham-band 1-4

------------------------------------------------------------------------------

Port Status HAM Band

ADM/OPR 1| 2| 3| 4| 5| 6| 7| 8| 9|10|11|12|13|14|15|16|17|18|19|20|21

------------------------------------------------------------------------------

1 Up/Down 1| | 3| | | | | | | | | | | | | | | | | |

2 Up/Down 1| | 3| | | | | | | | | | | | | | | | | |

SWITCH(bridge)#

5.3.2.11 SNR Margin

In digital and analog communication, SNR(Signal to Noise Ratio) ratio of signal divided by

noise. When the signal strength is referred as Vs and the noise strength is referred as Vn,

the formula can be 「SNR(㏈) = 20 log10(Vs/Vn)」.When the signal strength is same