Instruction manual

61200780L1-1C © 2004 ADTRAN, Inc. 168
ATLAS 800 Series System Manual NxT1 HSSI Option Module
T1 Menus
T1 Menus
Read Security: 5
The following T1 Menus provide information about the four T1 interfaces located on the NxT1 HSSI
Option Module. These menus are available only when
T1 ENABLE is enabled.
Alarm Status Read security: 5
Displays the current T1 alarm status.
Performance Write security: 3; Read security: 5
The performance fields (either current, previous 15-minute total, or 24-hour
total) provide status on key performance measures as specified in ANSI T1.403
and AT&T TR54016 for the T1/PRI port. All fields except CLR are read-only.
The monitored parameters include the following:
Submenus Description
Prt
Indicates the port number.
Alarms
Read security: 5
Displays an alarm condition on the ATLAS 550 unit. Press <Enter> to access
this menu item. Descriptions of the alarms follow:
LOS Indicates a loss of signal detected on port interface.
Red Indicates inability to frame data received on the port.
Alternately referred to as Out of Frame (OOF).
Yellow
Receiving remote alarm (RAI) on port.T1 ENABLE.
Blue
Receiving unframed all ones from the port Alarm Indicator
Signal (AIS).
DS0 Alarm Displays per-DS0 alarm status; that is, at least one DS0 channel
is in alarm if an asterisk (*) appears. These alarms usually
indicate the failure to receive the protocol that has been
configured for the DS0.
Rx Level
(Receive Level) Indicates the strength of the signal (in dB) received on the port.
Status Description
Prt
Displays the port number
CLR
Clears performance information for the selected port
ES
Errored Second (ES) is a second with one or more error events OR one or more
Out Of Frame events OR one or more Controlled Slips
BES
Bursty Errored Second (BES) is a second with more than one, but less than 320
error events