Monitor Lines

To view real-time activity of the ISDN, T1, and E1 lines on the PortMaster, click Monitor==>Lines.

Select a line and use the Reset Counters button to restart incrementing values in PMVision only, not on the PortMaster. Use Restore Counters to restore these counters to their real-time values.

To view Lines simultaneously with other options in the PMVision tree, click New Window.

Device

IP address or name of the selected PortMaster.

Board 

For a PortMaster 4, the number of the slot that the board occupies. 

Line

Line number (line0 through line<n).

Layer 1

Status of Layer 1---up or down.

Layer 2

Status of Layer 2---up or down.

Status

State of the line---up or down.

Receive Level

Signal strength on the line, in decibels.

Blue Alarm

Number of blue alarms sent from the remote end of the connection. Blue indicates unframed all ones (1s) signal.

Yellow Alarm

Number of yellow alarms sent from the local end of the connection. Yellow indicates D4 bit2, D4 12th F-bit, or extended superframe (ESF) mode (framing) signal.

Carrier Loss

Number of interrupts resulting in loss of the carrier signal.

Sync Loss

Number of interrupts resulting in device loss of synchronization signal.

Bipolar Error

Number of bipolar errors---consecutive bipolar violations of the same polarity.

CRC Error 

For T1 lines, the number of errors in the CRC6 code words (ESF framing), or in the Ft framing bit position (D4 framing). For E1 lines, the number of errors in the CRC4 code words (CRC4 framing).

Multiframe Sync Error

Number of multiframe received out of synchronization.