Modem Cable; Table 4-2 Cable Connector Pinout Assignments For The Modem Cable - Silicon Graphics IRIS Indigo Owner's Manual

Modem Cable

Use a full-handshake (includes RTS and CTS) serial cable for a modem with RTS/CTS
flow control. The cable pinout assignments for this cable are shown in Table 4-2.
You can use this cable for all serial devices (even applications that don't need RTS flow
control). If you add a null modem adapter, you can use this modem cable for serial
printers and dumb terminals.You can purchase this cable from Silicon Graphics.
Do not use a standard Macintosh serial cable. It does not have the correct number
Note:
of connectors for full flow control.
Table 4-2 Cable Connector Pinout Assignments for the Modem Cable
Signal Description
DTR
CTS
TXD
GND
RXD
RTS
DCD
GND
If you are attaching a modem with modem signals and RTS/CTS flow control, you
Note:
must use the /dev/ttyf* command devices in the configuration files. For more detailed
information, see the serial man page. To access this man page, place the cursor in the
console window and type
man serial
Pin Number
DIN-8 Connector
(male)
1
2
3
4
5
6
7
8
Pin Number
DB-25 Connector
(male)
20
5
2
7
3
4
8
7
Other Serial Cables
87