IBM RT User's Setup Manual page 16

Section 2, "Connecting Devices to the IBM RT PC System Unit"
contains drawings and reference material to help you connect
IBM-supported devices to the system units. The section shows the
adapters, ports, connectors, and cables needed to connect each
device.
The book shows every possible setup situation for IBM-supported
devices. Select the instructions for the devices you need to connect
to the system unit. This section helps you do task 6 on page 1-6.
Section 3, "Testing the System" contains the steps for testing the
hardware setup. This section helps you do task 7 on page 1-7.
A Reader's Comment Form and Book Evaluation Form are
provided at the back of this book. Use the Reader's Comment
Form at any time to give IBM information that may improve the
book. After you become familiar with the book, use the Book
Evaluation Form to give IBM specific feedback about the book.
What You Need
You can unpack, set up, connect devices, test the hardware, and
install the operating system programs using the check list, the
other information in this book, other referenced documentation,
and two flat-bladed screwdrivers (small and medium).
You also need sufficient floor space in which to work, sturdy desks
or tables on which to set up the devices, and grounded electrical
outlets for most of the devices.
To begin the setup, go to task 1 in Section 1 of this book.
xvi User Setup Guide