What is the purpose of MCB900 ?

I was confused that if I use Philip P89LPC932, how many "hardware" development tools are necessary?
The EPM900 (IDE software is included and upgrade to 8k extension)can use as ICE and programmer.What is the purpose of MCB900 ? is it redundant if I already have EPM900?
When I load application to MCU by EPM900, additional programming adapter is needed?
thanks!

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