38 8000 Series Reference Manual
Serial PPP Menu > Echo Test
This echo test is used for verifying connectivity via Point-to-Point Protocol.
For the Modem Cradle, its physical connectivity can be verified in System Menu > Tests >
Echo Test > IR or MODEM.
Serial PPP Menu > 3. Echo Test
Enter the IP address of a server with which a PPP connection is desired. Then, it will try to
connect to the server.
Note: After the “PPP via IR” connection is established properly, run the utility “Echo
Test” on your computer (TCP/IP – Server), and then, start this test on your mobile
computer.