NEC NEAX 2000 IPS - Page 131

CHAPTER 2 INSTALLATION
– 115 – NWA-008841-001 Rev.5.0
90ch2001.fm
STEP3: Connect the PWR CNT CA-E or PWR CNT CA-D, and POWER OUTPUT CABLE
(–48 V, E) as shown below.
Cable Connection between PZ-PW121/PZ-PW126/PZ-PW122 and BWB
NOTE: When the PN-4LLC card is used for OPS in North America, Ferrite Core must be attached
to the POWER OUTPUT CABLE (–48 V, E) between the PZ-PW122 card and the PWR0C
connector on BWB of the PIM, as shown below.
PWR CNT CA-E (FOR PIM0)
PWR CNT CA-D (FOR PIM1 TO PIM7)
PWR0B
PWR1
PZ-PW121
/PZ-PW126
BWB (BACK WIRING BOARD)
PIM
PWR0C
PWR0A
POWER OUTPUT CABLE (+90 V, CR, E)
PZ-PW122
POWER OUTPUT CABLE (+5 V, -27 V, E)
POWER OUTPUT CABLE (-48 V, E)
CARD SLOT AREA
LTC CONNECTOR AREA
CN103
NOTE
PWR0C
FERRITE CORE
PZ-PW122
GRAY
RED
YELLOW
POWER CABLE CONNECTION