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/ Tests
Modular ICS 7.1 Installer Guide
N0130943 02
The continuity loopback test shorts the tip and ring pair of the
receive signal path with the transmit signal path. This test
allows you to check the metallic continuity of the external
wiring.
Tests initiated from Norstar
You can start and stop Loopback tests in
Maintenance
programming under the heading
Loopback tests
. You can
also push a button on the DTI faceplate to start and stop the
continuity test.
You can run DTE and DS30 Loopback tests to verify the SDI
data transfer capabilities. Under the
Hardware
heading,
ensure that the
Type
setting for data module is
SDI
before
choosing the Loopback test you will run.
Tests initiated by the central office
If the internal CSU is administered on line loopback and
payload loopback tests can also be invoked and stopped by the
central office. In order to be able to run a payload loopback
test, the DTI must be configured for extended superframe
format.
Содержание Modular ICS 7.1
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Страница 46: ...46 How to use this document Modular ICS 7 1 Installer Guide N0130943 02...
Страница 72: ...72 Welcome to ISDN Modular ICS 7 1 Installer Guide N0130943 02...
Страница 102: ...102 Remote system access Modular ICS 7 1 Installer Guide N0130943 02...
Страница 108: ...108 Controlling system access Modular ICS 7 1 Installer Guide N0130943 02...
Страница 192: ...192 ETSI MCDN and Network features Modular ICS 7 1 Installer Guide N0130943 02...
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Страница 582: ...582 Link Status Modular ICS 7 1 Installer Guide N0130943 02...
Страница 586: ...586 Usage Metrics Modular ICS 7 1 Installer Guide N0130943 02...