Nokia DNT2Mi sp/mp Front, Automatic, panel, management, control, Equipment tests, Power up test

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	Automatic	Note
	panel		management	control
Equipment tests
Power up test				After power is
				switched on
Self test	Equipment		Self test (5,4)
	self test
Line interface test
Network test loop	Line DL		Loop to line (DL)		See Figure “Network
ITU-T X.150 loop 2	test				test loop (all ports)”
					after this table.
Data coming from the line is
looped back to the line.
Dedicated port tests
Local test loop	Port LL test		Loop to DTE (LL)	V.xx Circuit 141	Automatic control can
ITU-T X.150 loop 3			(5,2,#,3)	or X.21 loop 3	be disabled by setting
				command	circuit 141 in the ‘Not in
Data coming from the DTE is
					use’ state.
looped back to the DTE.
					See Figure “Local test
					loop in a port” after this
					table.
Network test loop	Port DL		Loop to line (DL)		See Figure “Network
ITU-T X.150 loop 2	test		(5,2,#,2)		test loop (single-port)”
					after this table.
Data coming from the line is
looped back to the line.

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