The Input Port Monitoring Configuration screen provides information on MTIE alarm limits, frequency alarm limits, and error count thresholds, error count thresholds, and Historical Data.
Note: Historical Data summary panel will not be displayed for legacy devices (below SSU 2000 6.3).
The fields are described in the table below.
Click Edit to change the input port Monitoring Configuration fields.
Field / Section |
Description |
MTIE Alarm Limits |
|
Level 1 Alarm |
MTIE Error limit 1 |
Level 1 Clear |
MTIE Clear limit 1 |
Level 2 Alarm |
MTIE Error limit 2 |
Level 2 Clear |
MTIE Clear limit 2 |
T10 |
MTIE 10-second period |
T100 |
MTIE 100-second period |
T1K |
MTIE 1,000-second period |
T10K |
MTIE 10,000-second period |
T100K |
MTIE 100,000-second period |
Mask Definition |
Displays the selected MTIE Mask Definition |
Frequency Alarm Limits |
|
Thresholds |
Sets frequency TAU, default is 400, range is 10-1000 |
Error A |
Max 10,000,000 ps/s |
Clear A |
Max 10,000,000 ps/s |
Error B |
Max 10,000,000 ps/s |
Clear B |
Max 10,000,000 ps/s |
Frequency Error |
|
Tau A |
10 - 1000 seconds |
Tau B |
10 - 1000 seconds |
Error Count Thresholds |
|
Error Limit |
Sets the number of seconds before an alarm condition is raised |
Clear Limit |
Sets the number of seconds before an alarm is cleared |
LOS |
Loss of Signal - Generic term which is used specifically in different signal domains. Ranges are from 0 to 100 seconds. |
AIS |
Alarm Indication Signaling - A code transmitted downstream in a digital network that shows that an upstream failure has been detected and alarmed. Ranges are from 0 to 100 seconds. |
OOF |
Out Of Frame - occurs when the framer chip cannot determine framing. Ranges are from 1 to 10,000 seconds. |
BPV |
Bipolar Violation - The presence of two consecutive "one" bits of the same polarity on the T carrier line. Ranges are from 1 to 10,000 seconds. |
CRC |
Cyclic Redundancy Checking - A process used to check the integrity of a block of data. Ranges are from 1 to 10,000 seconds. |