NEC NEAX 2000 IPS Installation Manual page 142

• Power Routing
NOTE 1: PN-4LCD/4LCF/4LCL/4LCW card provides +80 V on-board power supply (+80 VOBP).
NOTE 2: PN-2DLCB/PN-2DLCN, PN-2LDTA, PN-2ODTA/2ODTB card provides –48 V on-board pow-
er supply (–48 VOBP).
TO PIM2
AC CORD-B
INSTALLATION
CABLE
PZ-PW135
+5 V
-27 V
CR
DC IN
-48 V
PZ-PW135
+5 V
-27 V
CR
DC IN
-48 V
– 126 –
CHAPTER 2 INSTALLATION
SUPPLY VOLTAGE CHECK AND HEAT RUN TEST
NOTE 1
+5 V
+80 V
+80 VOBP
-27 V
-5 V
CR
NOTE 2
-5 V
+5 V
-48 V
-48 VOBP
-27 V
CR
TERMINAL
BLOCKS
PIM1
PIM0
BASE
NWA-008841-001 Rev.5.0
90ch2001.fm