Diagnostic tests Crocus CNV
148 Reference manual
11.5.5 Interface tests
For some DTE interfaces it is possible that the application (the DTE) initiates a test on the Crocus CNV
via the interface. The following table gives an overview of which tests are available on which interfaces. It
also gives a short description of the available tests.
Interface Available tests Description
interfaceAl
The activation of the AL test signal (circuit 141) initiates an
analogue loop (loop 3) on the local Crocus CNV, in compliance
with ITU-T recommendation V.54. Refer to Section 11.5.2 -
Analogue loop.
RS530, V35,
V36
interfaceRdl
The activation of the RDL test signal (circuit 140) initiates a digital
loop (loop 2) on the remote Crocus CNV, in compliance with ITU-
T recommendation V.54. Refer to Section 11.5.3 - Remote digital
loop.
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