SWITCH HSPS2 CBL50FTEMC This cable assembly has two applications. 1. This cable assembly is required to link the 3600 EMC Switching Shelves (90-0662-04/05) equipped with EMC PMX Switching Card (90-0640-04) to EMC Peripheral Shelves (90-0010-13/14) equipped with EMC PMX Switching Interface Cards (90-0639-05), rear panel connection. 2. This cable assembly is required to link the 3600 Switching Shelves (90-0662-04/05) equipped with EMC PMX Switching Card (90-0640-04) to High Speed Peripheral Shelf-2 (90-0652-02) equipped with E-3/Dual E-3 Interface Card (90-1224-01,90-1224-02), rear panel connection. MD Effectivity Date=March-01-2000 as per PDN#1288A.