Seven Wire Connection - IBM SuperSerial SST128P Hardware Installation Manual

Seven Wire
For full modem control signals to a terminal or printer.
Connection
Figure 5-5. Cable for a Terminal or Printer Using DTR Flow Control
Modem
For full modem control signals to a modem.
Connection
Figure 5-6. Pinouts for a Modem Cable
5-4 IBM Serial I/O 128P Expandable Subsystem Hardware Installation Manual