To: Edgar Castro

From: Jon Hagen

Date: Feb. 15, 2002

Subject: Additional spares for the Vertex Pointing System

To complete our inventory of spare parts for the Vertex system before these parts become unavailable, I suggest we purchase the following from Siemens:

Item 1

1 ea. Expansion Crate 6ES5 187-5UA11

Item 2

2 ea. Memory card with flash 6ES5 374-2KG21

Item 3

CPLINK Software package for CP581 (not in Catalog ST50 1998) Can't find on web.