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Cisco 888 4-wire SHDSL problem

Greetings,

I installed Cisco 888 4-wire SHDSL. Then suddenly the interfaces stopped working. I had to remove them and set them up again. And for short time they worked. But same thing kept happening.

When I put the config below into the router. This error syslog keeps spamming over and over.

DSL 0 GSI DSP initialization failed for line 0: status 0xFF

!

controller DSL 0

mode atm

line-mode 4-wire enhanced

dsl-mode shdsl symmetric annex B

line-rate 4608

!

I can not find any information about this error. I only have 2-wire SHDSL test line. But the customer has 4-wire bonded SHDSL.

The same thing happend to 3 other routers. Cisco 888. All with same firmware and out of the box.

The IOS is

c880data-universalk9-mz.152-4.M4.bin

I tried downgrading and upgrading. Same thing.

Anyone had the same issue?

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