IBM 5280 User's Setup Manual page 78

5.1 Repeat this procedure for the remaining data station cables. The
remaining socket numbers may be combinations of 1, 1/2, 2, 2/3,
or 3.
6. The auxiliary diskette drive cables attach to the IBM 5288. The
IBM 5288 diskette drive sockets are color coded yellow and
numbered 5 through 13 .
•••• 11 . . .
111111111111111111 "'"
7. If you do not have a diskette drive cable(s) to attach to the IBM
5288, go to step 8. If you do, read and do the following three
steps before connecting the cable.
a. Find a cable with a yellow label. Read the identification label. For
example, if you find a cable with the following label, this cable connects
to socket 8 on the IBM 5288.
Aux Data Sta XXXX
Location Unit~
Socket on Prog Unit
!!.
Device Address 5000
From an IBM 5281 or 5282
To Socket 8 on the IBM 5288
User's Setup Procedures 71