IBM RT User's Setup Manual page 71

Modems and Autocall Units (Continued)
Connecting: Modems
IBM RT PC
Multlprotocol Adapter
16-Pln
Connections
14-Pln
Connection
IBM RTPC
X.21 Modem Cable
Option 6294816
(3
m
long)
15 Pins
~f==========C]
To The Modem
D.[pcora on
Cabling
Reeord
AS07A046
Section 2. Connecting Devices 2-41