Northern Telecom Nortel CS 1000 Call Processor Dual Core Memory Card Cartridge 250 GB Catalog Number : NTDW57KA This Nortel NT Processor Module is in good working condition. Ships as presented in pictures. Seagate Momentus 7200.4 S/W Ver. 07.50.17 Replacement = NTDW08AAE6 PN : 9HV142-300 FW: 002SDM1 HDD Avaya CS 1000 30 Day Return Policy. If you have questions or need more photos, contact us today! L5034