7-4 P/N 480-0005-00-15
Chapter 7: System Alarms
Valid Alarms
The following is a list of all alarm descriptions (text that appears in the Alarm Description field) for all possi-
ble alarms the system can generate. In the generated alarm list, the alarm description appears as part of the
Description field.
Table 7-2 List of Valid Alarms
Severity
(appears as
part of severity
field)
Alarm Description
(text appears in desc field)
Definition
Critical Loss of Framing (Red Alarm) Signal is not being transmitted; there is no layer 1 syn-
chronization.
Critical Remote Alarm indication (Yellow
Alarm)
Tenor CMS is receiving a yellow alarm signal from the
network.
Critical Loss of signal A loss of signal (32 consecutive zeros) at least once dur-
ing a 1 second period.
Critical AIS Reception (Blue Alarm) Alarm Indication Signal. An all ones condition used to
alert the Tenor CMS that its incoming signal (or frame)
has been lost.
Critical Layer 2 Down Indicates that Layer 2 protocol is down.
Critical Ethernet Disconnected Ethernet cable has been disconnected from the System
Controller or CPU Card, or Ethernet connectivity has
been lost. No new VoIP calls will be made and existing
PSTN calls will be switched to the PSTN.
Critical Call Handler not registered with Gate-
keeper
The Call Handler process cannot be registered with the
Gatekeeper.
Critical Critical Software Error A software error has occurred that affects the operability
of the complete system.
Critical Tenor CMS Chassis reset The chassis has reset.
Critical Card Temperature out of operating range A card’s temperature has reached the maximum operat-
ing range. The cause may be a fan failure.
Critical Card reset This alarm is viewable upon power up. If this alarm con-
tinues, there may be a problem with the card.
Critical Primary Digital Interface Clock Loss Clock source has been lost for T1 lines. The unit will
automatically switch to the secondary digital interface
clock source.
Critical Secondary Digital Interface Clock Loss All clock sources have been lost, both primary and sec-
ondary. Check the T1 lines for the possible cause.
