16Dstu Digital Station Pcb (P/Ns 80021 And 80021A) - NEC DS1000 Product Description

Section 2: Components

16DSTU Digital Station PCB (P/Ns 80021 and 80021A)

12 Section 2: Components
Make a note of the following...
You can install either an A series or non-A series CPU in a 4-Slot Cabinet.
If you install a non-A CPU (P/N 80025) in a 4 Slot Cabinet, the system automatically loads a
unique 16 trunk x 32 digital station database. Turn to Hardware Configuration for DS2000 4
Slot Cabinet with Universal Slot Software on page 21 for more.
If you install an A CPU (P/N 80025A) in a 4 Slot Cabinet, the system automatically loads the
same database as that used in the 8 Slot Cabinet. Again, turn to Hardware Configuration for
DS2000 4 Slot Cabinet with Universal Slot Software on page 21 for more.
You must install an A series CPU in an 8-Slot Cabinet. Read Hardware Configuration for
DS2000 8 Slot Cabinet with Universal Slot Software on page 22 for more on the default data-
base automatically loaded into the 8-Slot Cabinet.
When connecting a music source, an External Paging system, or a device controlled by the
CPU relay, make sure the connected device is compatible with the CPU input and output spec-
ifications. Review you system's Hardware Manual for more.
CPU P/Ns 80025 and 80025A at a glance —
Music Inputs . . . . . . . . . . . . . . . . . . . . . . . .1
Relay Contacts. . . . . . . . . . . . . . . . . . . . 1 set
You must install an A series CPU (P/N 80025A) in an 8-Slot Cabinet.
Each 16DSTU PCB connects 16 digital extensions (i.e., keysets) and/or Digital
Door Boxes. You can also connect 2-OPX Modules. The 16DSTU has a Mode
Switch (for taking the PCB out of service). It also has a status LED that indicates
proper PCB operation — as well as a port activity LED that flashes faster as traf-
fic on the PCB increases. You can install up to 2 16DSTU PCBs in a 4-Slot Cabi-
net. You can install up to 6 16DSTU PCBs in an 8-Slot Cabinet. See DS2000
System Configuration on page 18 for more.
Make a note of the following...
When connecting 2-OPX Modules, always observe the System Load Factor.
See page 19 for more.
You must install a separate power supply for every 2 16DSTU PCBs installed.
In all systems, you must install a 16DSTU PCB in the first universal slot.
In Fixed Slot systems, you can only install 16DSTU PCBs in the first 2 universal slots.
In Universal Slot systems, you can install 16DSTU PCBs in any universal slot.
You can install either A or non-A series 16DSTU PCBs in 4-Slot Cabinets.
You must install A series 16DSTU PCBs in 8-Slot Cabinets.
16DSTU PCB P/Ns 80021 and 80021A at a glance —
Digital station ports. . . . . . . . . . . . . . . . . .16
4-Slot Universal . . . . . . . Any universal slot
You must install A series 16DSTUs (P/N 80021A) in an 8-Slot Cabinet.
Page Outputs . . . . . . . . . . . . . . . . . . . . . . . 1
DTMF Receivers and Generators. . . . . Yes
4-Slot Fixed . . . . . . . Universal slots 1 and 2
8-Slot Universal . . . . . . . Any universal slot
DS1000/2000 Product Description