Vinod,
It can be a circuit problem. Have the telco to check it and
verify that no-crc4 is the correct framing option. Note that
upstream they don't have a switch but a TDM MUX.
/pab
At 12:02 PM 2/16/01 +0530, Vinod Anthony Joseph Cherunni wrote:
>Hi,
>
>Thanks a lot, I think I have been a little confusing. Actually
>the scenario is such - I have been trying to configure a Cisco
>7513 with a PA-MC-8E1 adapter connected with a Channelized E1
>Data circuit (It does not use R2 / PRI Signalling). The idea is
>to offer fractional data services for customers. So typically I
>would have multiple E1 streams connected to downstream
>customers, & few E1 streams connected to my own upstream
>providers using the whole E1 circuit, without any channelizing.
>Its a mix & match. My config is as follows -
>
>controller E1 1/0
>framing NO-CRC4
>linecode hdb3
>clock source line primary
>channel-group 0 timeslots 1
>channel-group 1 timeslots 2-15 17-18
>
>interface Serial1/0:0
>description *** Link to customer xyz 64 Kbps ***
>ip address <address>
>
>interface Serial1/0:1
>description *** Link to Upstream provider 1 Mbps ***
>ip address <address>
>
>The E1 controller seem to show the status as up. But the Telco
>providers are telling me that the switch is showing that the
>line is indicating synchronization errors.
>
>Please advise on what could be done.
>
>With warm regards,
>Vinod.
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