HP 98568A Installation Instruction page 281

HP 7974A Tape Drive
• If there are two other disk or tape drives (besides this HP 797 4A)
already connected to the interface, press the UNITS button until 3
appears in the display, unless address 3 has been used elsewhere. If it
has, choose any unused address.
d. Press the Enter button to assign the new address.
e. Press the ADDRESS button to exit the address select mode.
4. Connect the Tape Drive to Your Computer.
a. Find the HP-IB cable provided with the tape drive.
b. Connect one end of the HP-IB cable to the HP-IB socket on the inside
of the cabinet at the top. Tighten the thumb screws to secure the
connection.
c. Connect the other end of the HP-IB cable to the interface.
Note
If the interface already has several cables connected to it,
connect your HP 7974A cable to one of the other devices on the
interface.
5. Record the Address.
Make a note that address 0 (or the alternate address you chose in an earlier
step of this installation procedure) has been used and is no longer available
on the interface you selected. Use the "Address Record" form on the
Chapter 6, "Mass Storage" tab for this purpose.
Adding Mass Storage Devices 6-55