NEC 2000 IPS manual Battery Backup, Name Code Qty Remarks

Chapter 2 System Architecture

UNIVERGE 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	DC Power Cable (-27v input)
	(No. of PIM) –2= 5 to 8PIM
BATT CA EXT	1/Stack	External Battery Cable

UNIVERGE NEAX 2000 IPS Request For Proposal (RFP) Reference Guide	Page 2-7
Issue 6