IBM 3745 130, Maintenance Information Procedures

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3745 FRU Exchange Procedure
4. For the SMUX location, refer to Figure 4-52.
Refer to Figure 4-53 and do the following:
5. Remove the serial link cable (if installed) from
the SMUX (this cable is absent on SMUXB
when SMUXA and the flat cable
.2/
are
present).
6. Remove the flat cable
.2/
(if installed) which
connects the two SMUXs, (if two LIC boards
type 2 are present in the machine). This
cable may be absent in spite of the presence
of the two boards.
7. Unfasten the thumb screw holding the SMUX
cassette to the board.
8. Remove the SMUX cassette.
LI
C
LI
C
LI
C
LI
C
LI
C
LI
C
LI
C
LI
C
A B C D
E F G H J K
Figure 4-52. SMUX Location
Figure 4-53. SMUX Link and Cable
4-42
3745 Models 130 to 17A: MIP