363-208-010, Appendix 1
NJ00675A-2 Dual Power Feed Unit Installation Procedure
Issue 1
November 1998
1-7
ground cable in order to refasten the same and the DPFU ground lug.
Lugs should be positioned in an overlapping manner with wires going
in opposite directions.
Power Wiring
!
CAUTION:
This instruction assumes that the DPFU is being installed, with the equip-
ment it will work with, at the time of initial installation. Consequently, there
will be no voltage appearing at the DPFU or the equipment unless specifi-
cally requested via these instructions.
Step 4:
Remove plastic cover over terminal strip (TB1).
Step 5:
Remove all four (4) SAN-0 1/2 amp fuses from the front panel fuse-
holders.
Step 6:
Locate the NE00675-31 G1 cable. This cable is approximately 18”
long and terminates in connector J117 on one end and in four 10
gauge lugs on the other. Connect these lugs, using the cable identifi-
cation provided on the leads to the four screw terminals on the barrier
terminal strip (TB1) designated OUT for -48A, Rtn A, -48B and Rtn B.
Verify that the terminal strip screws are tightly fastened.
Step 7:
Dress the J117 end of the cable over to and into the vertical duct on
the right side, as viewed from the front.
Step 8:
Locate NE00675-31 G2 cable. This cable consists of two connectors
on one end (P117A and P117B) and four 10 gauge unterminated
leads at the other designated -48A, Rtn A, -48B and Rtn B. It will be
used between the SLC-2000 Power Interface Unit (PIU) and the J117
connector referenced in Steps 5 and 6 above.
Step 9:
For a RT locate the PIU on the right side of the ARM shelf as viewed
from the front.
Содержание SLC-2000 Access System Central Office Terminal
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