NEC UNIVERGE NEAX 2000 IPS Reference Manual page 37

U
NIVERGE 2000 IPS SYSTEM POWER SUPPLY
NEAX
AC/DC Power Supply
The AC/DC Power Card is mounted in the left side of each PIM. The AC/DC Power card provides
power to all circuit cards, which reside in the PIM. AC power requirements are as follows:
Input Voltage: 90 to 132 Vrms or 180 to 264 Vrms (selectable by switch) 50/60 Hz
Name Code
PZ-PW121
DC/DC Power Unit
The DC/DC Power Unit is mounted under the AC/DC Power Card and generates -48 V power for the
circuit cards that need such power
Name Code
PZ-PW122
Battery Backup
Internal Short-term option
For customers requiring battery backup, short-term and/or long-term options are available. Two 3.4AH
batteries are required per PIM, and installed inside of each PIM. Backup time is approx. 30 minutes
when PHS (Wireless PS) is not accommodated and approx. 10 minutes when PHS (Wireless PS) is
accommodated in the system.
Name Code
PWR CA-A
BATT CA INT
External Long-term option
Two 24AH batteries are required per each 2 PIM's, and installed inside of Battery Module in a stack
basis. Backup time is approx. 3 hours when PHS (Wireless PS) is not accommodated and approx. 2
hours when PHS (Wireless PS) is accommodated in the system. The batteries are varied depending
on the requested backup time. The battery shall be locally provided
Name Code
PWR CA-A
BATT CA EXT
UNIVERGE 2000 IPS Request For Proposal (RFP) Reference Guide
NEAX
Issue 6
AC/DC Power Card
Qty
1 per PIM AC/DC Power Supply Input:100 V/200 V
Output:+5 V,-27 V,+90V, CR
.
DC/DC (-48V) Power Card
Qty
1 per PIM DC/DC Power Supply, Input: -27 V, Output: -48 V
Internal Battery Option
Qty
1 per (2) PIM's DC Power Cable (-27v input)
1 per PIM Internal Battery Cable
External Battery Option
Qty
(No. of PIM) –1= up to 4PIM
(No. of PIM) –2= 5 to 8PIM
1/Stack
Chapter 2 System Architecture
Remarks
Remarks
Remarks
.
Remarks
DC Power Cable (-27v input)
External Battery Cable
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