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Chapter 3. Operation
61200771L1-1 NxT1 HSSI/V.35 Module User Manual 33
T1 M
ENUS
Read Security: 5
Provides information about the four T1 interfaces located on the NxT1
HSSI Option Module. This menu is only visible when
T1 E
NABLE
is set to
E
NABLED
.
A
LARMS
Read security: 5
Displays an alarm condition on the ATLAS 550 unit. Press <Enter> to
access this menu item.
LOS
Indicates a loss of signal detected on port interface.
R
ED
Indicates inability to frame data received on the port. Alternately
referred to as Out of Frame (OOF).
Y
ELLOW
Receiving remote alarm (RAI) on port.
B
LUE
Receiving unframed all ones from the port Alarm Indicator Signal
(AIS).
DS0 A
LARM
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.
R
X
L
EVEL
(Receive Level) Indicates the strength of the signal (in dB) received
on the port.
P
ERFORMANCE
Write security: 3; Read security: 5
The performance fields (either current, 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
C
LR
are read-
only. The monitored parameters include the following:
P
RT
Displays the port number
C
LR
Clears performance information for the selected port
E
S
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
B
ES
Bursty Errored Second (BES) is a second with more than one, but
less than 320 error events