NEC UNIVERGE NEAX 2000 IPS, Руководство по настройке

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NEAX 2000 IPS Configuration Guide
Page 54
NDA-24347, Issue 1
Battery Backup Chapter 5 System Power Supply
Battery Backup
For customers requiring battery backup, short-term and/or long-term options are
available.
Short-term Option
Two 3.4AH batteries are required per PIM, and installed inside each PIM. Backup
time is approximately 30 minutes when PHS is not accommodated and approximately
ten minutes when PHS is accommodated in the system.
Long-term Option
Two 24AH batteries are required per each two PIMs, and installed inside the Battery
Module in each stack. Backup time is approximately three hours when PHS is not
accommodated and approximately two hours when PHS is accommodated in the
system.
The batteries vary depending on the requested backup time.
The battery is provided locally.
Power Failure Transfer (PFT)
PZ-8PFTB
Figure 5-1 PZ-8PFTB Installation
Table 5-3 PZ-8PFTB
ABBR.
NAME
CODE
PART
NUMBER
QTY REMARKS
PFT PZ-8PFTB 150119
1
per PIM
8-line PFT Card
PFT 1 CONNECTOR
CHAMP CONNECTOR ATTACHED TO PZ-8PFTB
25-PAIR CABLE
TO MDF
PFT 0 CONNECTOR
PZ-8PFTB