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Design and implementation of the operation and maintenance software for a new GSM transcoder - page 10 / 26

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© NOKIA10 paavo.markkola@nokia.com18.10.2005

Nokia Transcoders (3), TCSM3i

Consist of only one plug-in unit, TR3E/A

Motherboard is based on the TRCO plug-in unit

Daughter board consist of 6 (ANSI) or 7 (ETSI) DSPs.

DSPs have six cores each capable of handling three traffic channels

Does not support half rate

ET16 plug-in units provide PCM lines for several TCSM3i units

External clocks provide synchronization

TCSM3i cartridge holds 16 TR3E/A units and six cartridges can be equipped to TCSM3i cabinet

TCSM3i

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