Document 15094 Rev C 11/20/95 15094:C
Page 7
Warning!
The ICA-4L chassis includes a 16th pin (see
Figures A and B) for connection to the system
boards (CPU, SIB, LIB, and so on) which is
not used at this time. NOTE: There is no extra
pin when using a SIB-NET. When connecting
system boards, make sure that the socket header
on the board engages only pins 1–5 on the ICA-
4L as indicated.
The ICA-4L chassis includes an extra pin when
connected to an older power cable (71030).
The extra pin is in front, facing the door of the
cabinet (Figure C). The power cable part num-
ber 75378 has 16 positions which will connect
properly with the ICA-4L. If the newer cable
75378 is used with the older ICA-4 chassis,
there will be an extra 16th socket position on
the cable. This empty cable socket should be
located to the front of the ICA-4 pin header.
There is an extra receptacle when connect-
ing an ICA-4 to the bottom of an ICA-
4L. This receptacle should also be
in the front. Connecting two ICA-
4Ls does not require extra pins or
receptacles. For connection of two
ICA-4L chassis with expansion
power cable (part number 75142)
see Figure 1-3.
}
Can be either an ICA-4 or
ICA-4L.
Must be an ICA-4L.
Figure 1-2: Mounting the ICA-4L and System Boards
Older power cable
(part number 71030)
CAB-2 or CAB-3
Series Backbox
Figure A
Figure B
Figure C
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