NEC UNIVERGE NEAX 2000 IPS - Manual (Page 37)

Chapter 2 System Architecture
UNIVERGE NEAX 2000 IPS Request For Proposal (RFP) Reference Guide Page 2-7
Issue 6
U NIVERGE NEAX 2000 IPS SYSTEM POWER SUPPLY
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
AC/DC Power Card
Name Code Qty Remarks
PZ-PW121 1 per PIM AC/DC Power Supply Input:100 V/200 V
Output:+5 V,-27 V,+90V, CR
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
.
DC/DC (-48V) Power Card
Name Code Qty Remarks
PZ-PW122 1 per PIM DC/DC Power Supply, Input: -27 V, Output: -48 V
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.
Internal Battery Option
Name Code Qty Remarks
PWR CA-A 1 per (2) PIM’s DC Power Cable (-27v input)
BATT CA INT 1 per PIM Internal Battery Cable
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
.
External Battery Option
Name Code Qty Remarks
PWR CA-A (No. of PIM) –1= up to 4PIM
(No. of PIM) –2= 5 to 8PIM DC Power Cable (-27v input)
BATT CA EXT 1/Stack External Battery Cable