Lucent Technologies Release 7 Tone-Clock Circuit Pack LEDs, Maintenance/Test Circuit Pack LEDs

DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4 June 1999
LED Interpretation
7-13Tone-Clock Circuit Pack LEDs
7
.
Figure 7-4. TN1654 DS1CONV Circuit Pack
Tone-Clock Circuit Pack LEDs
The Tone-Clock circuit packs have the stand ard red, green and yel low LEDs. The
red LED has the traditional meaning. The yellow and g reen LEDs flash in specific
patterns to indicate th e status of the circuit pac k. The standby status app lies only
to systems with a duplication option.
Maintenance/Test Circuit Pack LEDs
The TN771D Maintenance/Test circuit pack has the standard red, green, and
yellow LEDs. The red and green LEDs have the traditional meaning , where red
indicates an alarm c ondition, and green ind icates testing in p rogress.
The yellow LED can be off or on continuously or flash ing, depending on the mode
of operation of the TN771D and whether or not it has detec ted errors. The yellow
LED is on steady when the TN771D’s analog test port or digital test ports are
being used to test trunks or lin e circuits. The yellow LED is also used to indic ate
INSET
0015_0RBP 052396