Installation guide

4–10 Installing an SF200 Storage Array with a VAX 6000 Series System
3. Ensure that the DSSI ID numbers of each magazine tape subsystem
installed in the array are set to 0 and that the TMSCP switch is
enabled (down). Refer to the magazine tape subsystem documentation
for the procedure to access the DSSI controller module.
4. At the rear of the SF200 storage array:
a. Verify that the correct variation of the 881 power controller exists
to meet the power supplied to the installation site.
881–A
881–B
120 Vac, 60 Hz
240 Vac, 50 Hz
b. Ensure that all ac power cords going to the 881 from devices
installed in the storage array are correctly seated in the 881
power controller.
c. Ensure that the ac breaker is off (Figure 4–3).
d. Ensure that the bus switch of the 881 is in the on (down) position
(Figure 4–3). Ensure that the BUS/OFF/ON switch is in the down
position.
CAUTION
Make sure that all ac power switches on each SF72 storage
enclosure and magazine tape subsystem are in the off position.