network requirement - pls help

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Jun 25th, 2008
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My customer currently has 3 node network which is to be expanded to 4 nodes, the current equipment is to be replaced and they require the following services:

Gbit Ethernet to all sites

62 E1 TDN circuits

The system need to be able to be upgradable to 4 x GBit Ethernet and 120 E1 TDM circuits minimum.

There are space restrictions, the unit needs to be no more than approx 8U. The fibre connections they currently have are dual mode, but I think we may need to go to single mode in order to get to the required capacity!

I was thinking about the Cisco ONS15454, let me know what you think.

Thanks and Regards,


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