IBM Serial I/O 128P Expandable Subsystem Hardware Installation Manual
2-2
Host Power “Y”
Cable
The Host Power “Y” Cable is included with all 128 port Expandable
Adapters. This cable provides power from the host power supply for
Modules connected to the second Expansion Bus. Connect the host
power “Y” cable as described below:
•
If necessary, remove all power from the computer. (Turn
power switch OFF and unplug main power cord.)
•
If necessary, remove (or lift up) the host computer system
chassis cover.
•
Locate a power supply cable connected to a component (e.g.
floppy disk drive) in your host computer system. If possible,
select the component nearest the location of the power
connector on the adapter.
•
Remove the host power supply cable connector plug from the
selected host computer system component power connector
socket.
•
Connect the removed host power supply cable connector plug
to a mating connector socket on the host power “Y” cable
supplied by IBM.
•
Connect the host power “Y” cable connector plug to the host
computer system component where the power supply cable
connector plug was removed.
•
Connect the other host power “Y” cable connector plug to the
power connector socket on the 128-port Adapter.
•
Replace the chassis cover (or close) and restore power to the
host computer system.
