
6.2 Cabling the Subsystem in Sx300 Storage Array Position
6.2.2.3 Cabling TF3
WARNING
Before performing the following steps, refer to the system documenta-
tion for the correct steps to perform an orderly shutdown of the system
that the Sx300 storage array is connected to.
1. Take the disk ISEs (SF3) off-line before you proceed. To do so, first take
each ISE off-line by pressing the Ready buttons. Then press all the drive
dc power switches to the out position. Last, turn off the ac power at the
rear of the storage enclosure.
CAUTION
Use care not to disturb or damage power cords and DSSI cables that
are already connected to the DSSI I/O panel.
2. Disconnect the 70-inch DSSI cable (part number BC21R–5L) connected to
the rightmost DSSI connector at the rear of the SF3.
3. Connect the 70-inch DSSI cable removed from the SF72 storage enclosure
to the top DSSI connector on the rear of the magazine tape subsystem.
4. Route this DSSI cable on the right side of the cabinet.
5. Connect a 42-inch DSSI cable (part number BC21Q–3F) to the rightmost
DSSI connector at the rear of the SF3 to the bottom DSSI connector at the
rear of the magazine tape subsystem TF3.
6. Route this DSSI cable on the right side of the cabinet.
6.2.2.4 Cabling TF4
WARNING
Before performing the following steps, refer to the system documenta-
tion for the correct steps to perform an orderly shutdown of the system
that the Sx300 storage array is connected to.
CAUTION
Use care not to disturb or damage power cords and DSSI cables that
are already connected to the DSSI I/O panel.
6–22 Installing the Magazine Tape Subsystem in an Sx300 Storage Array
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