Command:
AT&T0< CR> (ends the test)
Test result:
012 (12 errors were found during the test)
Result code:
OK
4.3 Remote Digital Loopback
Fig. 4-3 Data Path for Remote Digital Loopback
The remote digital loopback test cheeks the integrity of the local computer or terminal, the
local modem, the telephone line, and the remote modem, During the test message
is sent from the local computer through the local modem to the remote
modem and looped through the remote digital loop inside the remote modem back to
an internal error counter as shown in Figure 4-3.
During this test, data is not transmitted to the remote computer or terminal. If
characters are looped correctly, the local computer or terminal, the local modem,
4 - TESTING
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