Failures Indicated By Status Leds - Northern Telecom DMS-100 Series Installation And Maintenance Manual

0 297-2121-226
0 VINTAGE 05.01
0 Status Indicator Chart
0
0 LED
0
0
0
0 Power
0 (Pwr)
0
0
0
0
0
0
0
0
0
0
0
0
0
0 Under Test
0 (tst)
0
0
0
0
0 DTR
0
0
0
0
0
0
0
0
0
0 Connect
0
0
0
0
0
0
0
0
0 Figure 6.1
0 6-2
State Meaning
off Power is not being supplied to the DU.
flash Power is being supplied but the DU is
not synchronized with the DMS-100
Family switch.
(In a non-switched configuration, the
DU is not connected to another DU).
on Power is being supplied, and the DU is
synchronized with the DMS-100 Family
Switch.
off DU is not being tested.
on Maintenance is in progress.
off DTR is not on, due to the terminal
being off, the DTE cable not being
connected, or the DTR DIP switch not
being asserted.
on DTR lead on the DTE interface is on
or the DTR DIP switch is asserted.
off There is no connection.
flash Data connection setup is in progress.
on Data connection is complete, and the
DU is ready to pass data.

Failures Indicated by Status LEDs