Exhibit 99.1


                            AGREEMENT OF JOINT FILING


         Pursuant to 13d-1(k)(1) promulgated under the Securities Exchange Act
of 1934, as amended, the undersigned persons hereby agree to file with the
Securities and Exchange Commission the Statement on Schedule 13D (the
"Statement") to which this Agreement is attached as an exhibit, and agree that
such Statement, as so filed, is filed on behalf of each of them.

         IN WITNESS WHEREOF, the undersigned have executed this Agreement.

                                    TYCO INTERNATIONAL LTD.


                                    By: /s/ Mark H. Swartz
                                        ----------------------------------------
                                        Name:  Mark H. Swartz
                                        Title:  Executive Vice President and
                                                Chief Financial Officer


                                    TYCO ELECTRONICS CORPORATION


                                    By: /s/ Mark H. Swartz
                                        ----------------------------------------
                                        Name:  Mark H. Swartz
                                        Title:  Vice President


                                    TYCO SIGMA LIMITED


                                    By: /s/ Byron Kalogerou
                                        ----------------------------------------
                                        Name:  Byron Kalogerou
                                        Title:  President


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