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FAQ-xDSL Link Features of NE05E&08E

Latest reply: Sep 24, 2016 10:29:47 1457 1 0 0 0

Hello everyone,

Today I will share with you the xDSL Link features.


Only the NE05E-S2 supports ADSL2+, G.SHDSL, and VDSL2 interfaces.
  • Single-pair high-speed digital subscriber line (G.SHDSL) is a new symmetric digital subscriber line technology developed based on HDSL, SDSL, and HDSL2, and it is defined in ITU-T G.991.2. SHDSL uses the Trellis coded pulse amplitude modulation (TC-PAM) technology to transfer high-speed data over common twisted pairs, providing a new broadband access approach.

  • Asymmetrical digital subscriber line (ADSL) is an asymmetrical transmission technology that is used to transmit data at a high speed over common twisted pairs. ADSL2+ is an extension of ADSL. ADSL2+ supports a maximum upstream rate of 2.5 Mbit/s, a maximum downstream rate of 24 Mbit/s, and a maximum transmission distance of 6.5 km.

  • Very-high-speed digital subscriber line 2 (VDSL2) is developed based on ITU-T Recommendation G.993.2 and is an extension of VDSL1, which is developed based on ITU-T Recommendation G.993.1. VDSL2 is designed to be compatible with ADSL, ADSL2, and ADSL2+, but not with the less-common VDSL1.

The NE provides VE interfaces to support xDSL. xDSL supports three types of interfaces:

  • xDSL interfaces: physical interfaces on xDSL PICs. In the xDSL interface view, you can disable or enable physical xDSL interfaces.

  • DSL-group interfaces: link-layer logical interfaces. In the DSL-group interface view, you can set link-layer attributes.

  • VE interfaces: logical Layer 3 interfaces used only on the NNI side to carry ETHoA services. You can also use the portswitch command to switch them to Layer 2 interfaces. In the VE interface view, you can configure services.

Different PICs support different working modes:
  • AVD8A can work only in ATM mode.

  • AVD8B can work only in EFM mode.

  • SHD4 can work in ATM or EFM mode.

That is all I want to share with you! Thank you!

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Created Sep 24, 2016 10:29:47

FAQ-xDSL Link Features of NE05E&08E
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