Power Supply (P/Ns 80005B And 80005C); Pc Card With Software (P/N 80052-V**.**.**); Blank Pc Card (P/N 85880); Ds2000 Pcbs - NEC DS1000 Product Description

Section 2: Components

Power Supply (P/Ns 80005B and 80005C)

PC Card with Software (P/N 80052-V**.**.**)

Blank PC Card (P/N 85880)

DS2000 PCBs

Expanded Memory CPU Central Processing Unit PCB (P/N 80025B)
10 N Section 2: Components
The power supply provides the various DC voltages required to power the sys-
tem's PCBs. The 4-Slot Cabinet requires a single power supply. The 8-Slot Cabi-
net requires up to 3 power supplies, depending on system configuration.
Make a note of the following...
You can mix P/Ns 80005B and 80005C in the same system.
G
In an 8-Slot Cabinet, you must have a power supply for every 2 16DSTU
G
PCBs installed.
G If the system uses UltraMail or UltraMail 2000, you must install only
power supply P/N 80005C.
Be sure to review DS2000 System Configuration on page 22 for help on deciding how many power
supplies your 8-Slot Cabinet requires.
The PC Card with Software allows you to easily upgrade your sys-
tem's software without removing system PCBs or powering down
your system. Just insert the PC Card, flip a switch, and reboot your
system with the latest software enhancements fully installed. You
cannot use PC Card with Software P/N 80052-V**.**.** to store
system databases.
Use the Blank PC Card to store up to 16 system databases. Unlike
the PC Card with Software above, the Blank PC Card does not con-
tain system software. You cannot use it to field-upgrade your system's software.
Note that version 02.**.** databases are not compatible with version 03.**.** databases.
The CPU PCB is the system's control center. It provides the system's central pro-
cessing, stored program, and memory for the customer's site-specific data. Every
system requires a CPU PCB. In addition, it also provides:
G PC Card interface
G Conference circuits, DTMF receivers and DTMF generators
G External music input
G External Paging output
External relay
G
Real Time Clock
G
G Battery for short term (14 day) backup of the customer's site-specific data
G Diagnostic and status LEDs
DS1000/2000 Product Description