Data Connect DCE 2178HSEE, Руководство пользователя

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1
2.2 The Rear Panel
The rear panel of the Ethernet over VDSL2 Converter is shown
as below.
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DCE 2178HSEE Rear Panel
1 2 3 4
Figure 2-3:
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rear panel
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DCE 2178HSEE4 Rear Panel
1 2 3 4
Figure 2-4:
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rear panel
2.2.1 MODE DIP Switch
The Ethernet over VDSL2 Converter provides 4 selective
transmission modes. By switching the transmission modes,
you can obtain a best transmission mode to suit with phone
line quality or distance of connectivity. The following is the
summary table of transmission setting, bandwidth and distance
extensibility tested for AWG 24 (0.5mm) twisted-pair without
noise and cross talk.
DIP-1 DIP-2 DIP-3 DIP-4
Mode Channel Profile SNR
OFF CO Interleave 17A 9dB
ON (default) CPE Fast 30A 6dB