 Use the 16DSTU to add up to 16 NEC phones such as the 22 button LCD, the 4 line NEC Cordless, or the 34 Button Super LCD display phone to name a few. $349.99 |  Use the 8ASTU to connect eight analog devices such as fax machines, modems, or single line telephones to your NEC DS2000. $399.99 |
 Use the 4ASTU to connect four analog devices such as fax machines, modems, or single line telephones to your NEC DS2000. $299.99 |  Provides 24 conventional, DID, and/or E&M trunks. Does not include PRI capabilities. Requires NEC 80025B Expanded Memory CPU. Requires System Software 03.xx.xx or higher. Maximum 2 per system. IN STOCK NOW - LIMITED QUANTITY! $999.99 |
 Use the 4ATRU to add four loop start trunks to your NEC DS2000 phone system. When installing in an 8 slot KSU, be sure to consider power load and other limitations. Please call us with questions. $299.99 |  Use the 8ATRU to add eight loop start trunks to your NEC DS2000 phone system. When installing in an 8 slot KSU, be sure to consider power load and other limitations. Please call us with questions. $499.99 |
 The NEC DS2000 Central Processing Unit (CPU) card controls is the phone system through execution of, and interpretation of program instructions. $479.99 |  Use to increase power available for when adding more station or trunk cards. The 4 slot KSU only takes 1 card. If multiple power supplies are required in an 8 slot system, they must all be "A" version, "B" version, or all "C" version. $109.99 |
 Use this card to make a backup of your NEC DS2000 system program - or save some money and use the free PC Administrator program. $109.99 |  This 4MB linear card quickly upgrades the system software on the NEC DS2000 to the most current version. Useful if you are working on a lot of systems, otherwise we suggest saving some money and using your laptop to perform upgrades for free. Regular price: $109.99 Sale price: $69.99 |
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