DS1 and E1 Input Port Monitoring Configuration


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.