NEC NEAX 2000 IPS Reference Manual page 49

System Power Supply and cooling fan
AC/DC Power Supply
The AC/DC Power Card is mounted in the rear side of each MODULAR CHASSIS. The AC/DC Power
card provides power to all circuit cards, which are resided in the MODULAR CHASSIS.
AC power requirements are as follows:
Input Voltage: 85 to 264VAC, 50/60 Hz (Auto sensing 100V/200V selection)
Description
PZ-PW131
Back-up Power
UPS or battery backup (with external battery) is available for backup power for AC power failure.
In case of battery backup, sealed type battery should be used. The open type battery is not
available because of AC/DC power specifications.
Cooling FAN
The cooling FAN is mounted at the right side of each MODULAR CHASSIS. The FAN should be
replaced every 4 years in order to ensure the cooling system.
Description
109P0624H
7D09 FAN
NEAX2000 IPS Request For Proposal (RFP) Reference Guide
NDA-24349 Issue 4
AC/DC Power Card
Qty
1 per MODULAR CHASSIS
Cooling FAN
Qty
1/MODULAR CHASSIS
Remarks
AC/DC Power Supply
Output:+5 V, 5.5A, -27 V, 3A
Remarks
Chapter 2 System Architecture
Page 2-15