NEC DS2000 Hardware Manual page 13

Description
CPU PCB
16DSTU PCB
4ASTU PCB
8ASTU PCB
4ATRU PCB
8ATRU PCB
T1 PCB
UltraMail PCB (FMS)
UltraMail 2000 PCB (VMS)
Telephones (Keysets and SLTs)
110-Button DSS Console
24-Button DSS Console
2-OPX Module
Item 1: Load Type Totals
(Cannot exceed Item 2: Power Supply Capacity.)
If you have one power supply installed, the capacity is:
If you have two power supplies installed, the capacity is:
If you have three power supplies installed, the capacity is:
Notes:
• A 4 slot cabinet can only have 1 power supply.
• An 8 slot cabinet can have up to 3 power supplies. You cannot have more than two 16DSTU PCBs per power sup-
ply, regardless of System Load Factor calculations.
• Exceeding the allowed Load Type Total (Item 1) will cause the system's power supplies to automatically shut down
and/or cause erratic system operation.
• Total DSS Consoles installed cannot exceed 4.
• In a 4 slot cabinet, the total of all station, trunk, and UltraMail ports cannot exceed 64.
• In an 8 slot cabinet, the total of all station, trunk, and UltraMail ports cannot exceed 112.
DS2000 Hardware Manual
System Preparation and Configuration
DS2000 System Load Factor Calculations
Qty
5 VDC
Load
1 6
3
3
5
4
8
8
19
0
0
0
0
0
Item 2: Power Supply Capacity
Load Type
Total Load
6 0
20
5
8
0
0
0
0
5
0
2
1
3
5 VDC = 40 40 VDC = 48
5 VDC = 80 40 VDC = 80
5 VDC = 120 40 VDC = 120
Section 1: Installing the Cabinet N 1-7
1
40 VDC
Total
0