Epson ActionNote 880C User Manual - Fax/Data Modem - Page 66
Remote Digital Loopback with Self-Test, first make sure that the modem
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4.4 Remote Digital Loopback with Self-Test The remote digital loopback with self-test checks the integrity of the local modem, telephone line, and the remote modem. In this test the modem activates an internal test pattern generator. A test data stream is sent over the telephone line to the remote modem and looped through a remote digital loop to an internal error counter in the local modem as shown in Figure 4-4. Fig. 4-4 Remote Digital Loopback with Self-test To perform the remote digital loopback with self-test, first make sure that the modem is on-line to the remote modem. The modem can be either in the originating mode or in the answer mode. Example - The test timer is set and the test is performed with no errors 4 - TESTING 59
4.4 Remote Digital Loopback with Self-Test
The remote digital loopback with self-test checks the integrity of the local modem,
telephone line, and the remote modem. In this test the modem activates an internal
test pattern generator. A test data stream is sent over the telephone line to the remote
modem and looped through a remote digital loop to an internal error counter in the
local modem as shown in Figure 4-4.
Fig. 4-4 Remote Digital Loopback with Self-test
To perform the remote digital loopback with self-test, first make sure that the modem
is on-line to the remote modem. The modem can be either in the originating mode or
in the answer mode.
Example - The test timer is set and the test is performed with no errors
4 - TESTING
59