Parts of the Dial-up PPP Link

See the following figure.

Figure 15–2 Basic Analog Dial-up PPP Link

The configuration for Location 1, the dial-out side of the link, is composed of the following elements:

• Dial-out machine, typically a personal computer or workstation in an individual's home.

• Serial interface on the dial-out machine. /dev/cua/a or /dev/cua/b is the standard serial interface for outgoing calls on machines that run Solaris software.

• Asynchronous modem or ISDN terminal adapter (TA) that is connected to a telephone jack.

• Telephone lines and services of a telephone company.

The configuration for Location 2, the dial-in side of the link, is composed of the following elements:

• Telephone jack or similar connector, which is connected to the telephone network

• Asynchronous modem or ISDN TA

• Serial interface on the dial-in server, either ttya or ttyb for incoming calls

• Dial-in server, which is connected to a network, such as a corporate intranet, or, in the instance of an ISP, the global Internet