Motorola McIAS 1610 Series, System Manual, Page: 61 / 114

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2.7 McTi-24/McTi-30 Board LED Descriptions
LED LED LED
LOCATION COLOR NAME DESCRIPTION WHEN LIT
T1 Board (McTi-24) Red RA Received red alarm. Indicates that
McIAS is unable to synchronize to
the signal received from the switch.
May indicate a loss of signal or an
unframed signal (e.g. AIS/Blue
Alarm).
Yellow RY Yellow alarm signal received from
the switch.
Green NORM Indicates normal operation.
Green Activity As calls are received,
indicates line activity. Blinking will
accelerate as the number of calls
increases. If all lines are idle, will
pulse at a rate of 2 seconds on, 2
seconds off.
E1 Board (McTi-30) Red MR McIAS unable to synchronize to
Multi-frame level.
Yellow MY McIAS receiving Multi-frame yellow
alarm from switch.
Red FR Indicates that McIAS is unable to
synchronize to the signal received
from the switch. May indicate a loss
of signal or an unframed signal (e.g.
AIS/Blue Alarm).
Yellow FY McIAS receiving a yellow alarm
signal from the switch.
Red LOC McIAS receiving no signal from the
switch.
Yellow AIS Indicates that the switch is
receiving no signal from McIAS.
Table 2-8
McTi-24 / McTi-30 LED Indicator Functions