Blue Alarm - Vodavi STARPLUS STSe Operation Manual

2-300
Features and Operation
2. Enter a 0 or 1 on the dial pad to enable/disable this feature.
[0] = Disabled
[1] = Enabled
3. Press the HOLD button to save the entry. A confirmation tone sounds and the display
updates.
DEFAULT ... Carrier Loss Alarm is enabled on all T-1 trunks.

Blue Alarm

Description
The Blue Alarm signal is an unframed all ones signal. It is transmitted by a remote device
(usually a CSU) and when received, indicates a transmission failure upstream of that device
toward the local end. The AIS alarm signal is also known as the keep alive signal in that it
prevents the T-1 circuit repeaters from malfunctioning when transmit from the remote end is
lost.
Programming Steps
1. Press the BLUE ALARM flexible button (FLASH 47, Button #2). Button #2 and Button #11
LEDs are lit steady. The following message displays:
2. Enter a 0 or 1 on the dial pad to enable/disable this feature.
[0] = Disabled
[1] = Enabled
3. Press HOLD to save the entry. A confirmation tone sounds and the display updates.
4. Continue programming the Blue Alarm parameters using the steps provided earlier in
this section for Clearing the alarm, Minor alarm, Major alarm, Time Period, and Attendant
display.
DEFAULT ... Blue Alarm is enabled for all T-1 Trunks.
STARPLUS STSe - Programming & Operations Manual
B LU E A L AR M
E N AB LE D
T-1 Alarm Programming
0-1
August 2005