ADTRAN Atlas 550 - Manual (Page 90)

Chapter 7. Module Terminal Menus
7-4 ATLAS 550 User Manual 61200305L1-1
I NFO Read security: 5
Displays general information about the T1/PRI network interface module
as follows:
A LARM S TATUS Read security: 5
Displays any active alarms as follows:
DS0 S TATUS Read security: 5
Indicates usage on a DS0 basis for each port as follows.
P ART N UMBER Displays the part number of the T1/PRI network interface.
S ERIAL N UMBER Displays the module’s serial number.
A SSEMBLY
R EVISION
Displays the assembly revision.
P RT Displays the port number. The T1/PRI Network Interface
Module is a single-port device.
A LARMS Displays the alarm type. Table 7-1 describes each alarm type.
Table 7-1. Alarm Types
LOS (Loss of Signal) No signal detected on port interface.
RED (Red Alarm) Not able to frame data received on the port.
Alternately referred to as Out of Frame (OOF).
YELLOW (Yellow Alarm) Remote alarm indicator (RAI) being re-
ceived on port.
B LUE (Blue Alarm) Receiving unframed all ones from the port
alarm indicator signal (AIS).
DS0 A LARM At least one DS0 channel is in alarm.
R X L EVEL (Receive Level) Indicates the strength of the signal re-
ceived on the port.
* Inactive
A Active call on this DS0
D Active D channel DS0
M Maintenance DS0
N Dedicated DS0
O Off-hook detected
R Ringing detected