Nokia DNT2Mi sp/mp Operating Instructions Manual page 52

Equipment tests
Power up test
Self test
Line interface test
Network test loop
ITU-T X.150 loop 2
Data coming from the line is
looped back to the line.
Dedicated port tests
Local test loop
ITU-T X.150 loop 3
Data coming from the DTE is
looped back to the DTE.
Network test loop
ITU-T X.150 loop 2
Data coming from the line is
looped back to the line.
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Data Network Terminal Single-port and Multiport Operating Instructions
The following tests are available for testing a DNT2Mi terminal:
Table 14. Tests available for DNT2Mi
Front Q1
panel management
Equipment Self test (5,4)
self test
Line DL Loop to line (DL)
test
Port LL test Loop to DTE (LL)
(5,2,#,3)
Port DL Loop to line (DL)
test (5,2,#,2)
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Automatic Note
control
After power is
switched on
See Figure "Network
test loop (all ports)"
after this table.
V.xx Circuit 141 Automatic control can
or X.21 loop 3 be disabled by setting
command circuit 141 in the 'Not in
use' state.
See Figure "Local test
loop in a port" after this
table.
See Figure "Network
test loop (single-port)"
after this table.
DN01145897
Issue 2-0 en