Are ADSL/VDSL/G.SDHSL interfaces CPE interfaces or CO interfaces

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The ADSL/VDSL/G.SHDSL interfaces of the AR router are all customer premises equipment (CPE) interfaces.

Other related questions:
Do ADSL/VDSL/G.SHDSL interfaces on AR routers function as CPE or central office
ADSL/VDSL/G.SHDSL interfaces of AR routers function as customer premises equipment (CPE).

Common interconnection problems of ADSL and VDSL interfaces
Problem description: The ADSL/VDSL interface cannot be activated. Handling process: 1. Investigate the cables connected to the AR xDSL interface, and notify the operator to check the cables. 2. If the AR card is equipped with only one ADSL/VDSL interface, confirm with the operator whether bonding is configured on the DSLAM on the peer end. 3. Separate the xDSL cables from electromagnetic interference sources and keep the line far away from the electromagnetic interference sources. 4. If the problem is not resolved after the preceding steps, contact Huawei post-sales engineers to determine whether it is an IOP interconnection problem. Note: After the preceding steps, the most common interconnection problems of ADSL/VDSL interfaces can be resolved or filtered out. Root causes: 1. Cables connected to the ADSL/VDSL interface do not work normally. 2. The configurations of ADSL/VDSL interfaces on the AR router and DSLAM are not consistent. 3. Electromagnetic interference sources, such as motors, transformers, and generators, are located in the route of the xDSL cable. 4. xDSL interconnection problems occur.

Do ADSL and VDSL interfaces of the AR use the same chip
Both ADSL and VDSL interfaces of the AR use Broadcom chips, but they use different DSL chipsets. -A VDSL interface can be used as an ADSL interface. In this case, the interface can only work in the Annex A/M mode. -An ADSL interface cannot be used as a VDSL interface.

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