NEAX 2000 IPS Configuration Guide
NDA-24347, Issue 1
Page 53
Chapter 5 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 that are installed 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
Note: One power card (PZ-PW121) is included with each PIM. Therefore, it is not
required to place a separate order for a PZ-PW121 except for spare or
replacement.
DC/DC Power Supply
The DC/DC Power card is mounted under the AC/DC Power card and generates -48 V
power, which is used to power ancillary devices such as Wireless and Analog Caller
ID stations.
Table 5-1 AC/DC Power Card
ABBR.
NAME
CODE
PART
NUMBER
QTY REMARKS
PWR PZ-PW121 151488
1
per PIM
AC/DC Power Supply
• Input: 100 V/200 V
• Output: +5 V,-27 V,+90 V, CR
Table 5-2 DC/DC (-48 V) Power Card
ABBR.
NAME
CODE
PART
NUMBER
QTY REMARKS
PWR PZ-PW122 151487
1
per PIM
DC/DC Power Supply
• Input: -27 V
• Output: -48 V
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