
Model 3202 Getting Started Guide | 5 • Console and Telnet configuration |
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Mode
There are two types of G.SHDSL mode:
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Link
Select the line type for your model. Line type means how many wires you want to use on the DSL connection. For example, you can select
Model
Type
Table 19. Line Type Chart
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Annex Type
Enter the appropriate Annex type. Annex AF describes the transmission and performance requirements for North America. Annex BG describes performance and transmission requirements for Europe.
TCPAM Type
TCPAM (Trellis Coded Pulse Amplitude Modulation) is the standard used for line coding. Select the TCPAM type. Auto is the default option for TCPAM.
Maximum Main Rate
Select the DSL rate for your model. The main rate is the multiple of 64kbps, 128kbps, or 256kpbs- depending on your model type. Use Table 20 to determine the best main rate for your model.
Table 20. Main Rate Chart
Model Type | Multiple | ||||
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| 64 | ||||
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| 128 | ||||
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| 256 | ||||
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SNR Margin
SNR margin is an index of line connection quality. Generally, you won’t need to change the SNR Margin. You can view the actual SNR margin in status command menu.You will experience better line connection quality for larger SNR margin values.
For example, if you set the SNR margin ias 5, the DSL connection will drop and reconnect when the SNR margin is lower than 5. On the other hand, the device will reduce the line rate and reconnect for better line connection quality. You may select the SNR margin from the range
Setup Command Menu | 73 |