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T1/E1 DACS Administrators' Reference Guide
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Near End Line Statistics—History...
tistics for the previous 15-minute interval. For more information about this page, refer to "Near End Line
Statistics—History" on page 128.
Near End Line Statistics—Totals...
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statistics of errors that occurred during the previous 24-hour period. For more information about this page,
refer to "Near End Line Statistics—Totals" on page 130.
Far End Line Statistics—Current...
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tistics for the current 15-minute interval. For more information about this page, refer to "Far End Line Sta-
tistics—Current" on page 131.
Far End Line Statistics—History...
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tistics for the previous 15-minute interval. For more information about this page, refer to "Far End Line
Statistics—History" on page 132.
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Far End Line Statistics—Totals...
end statistics of errors that occurred during the previous 24-hour period. For more information about this
page, refer to "Far End Line Statistics—Totals" on page 134.
T1/E1 Link Activity main window
The
T1/E1 Link Activity
Line Status
•
—Shows the configuration of the T1/E1 Interface and service provided on each user time slot.
Near End Line Statistics
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Far End Line Statistics
•
used by devices that support the facility data link (FDL)
Link (dsx1LineIndex)
This object identifies a DS1 Interface on a managed device. If there is an ifEntry directly associated with this
DS1 interface, it must have the same value as ifIndex. Otherwise, the value exceeds ifNumber, and is assigned a
unique identifier by following this rule: inside interfaces (equipment side) with even numbers and outside
interfaces (network side) with odd numbers.
Type (dsx1LineType)
This variable indicates the type of DS1 line using the circuit. The circuit type determines the bits-per-second
rate that the circuit can carry and how it interprets error statistics. The values are as follows:
•
dsx1ESF—Extended Superframe DS1
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dsx1D4—AT&T D4 format DS1
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dsx1E1—Based on CCITT/ITU G.704 without CRC
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dsx1E1-CRC—Based on CCITT/ITU G.704 with CRC
Circuit ID (dsx1CircuitIdentifier)
This is the transmission vendor's circuit identifier. Knowing the circuit ID can be helpful during
troubleshooting.
T1/E1 Link Activity main window
link—clicking on this link takes you to the page that displays line sta-
link—clicking on this link takes you to the page that displays the total
link—clicking on this link takes you to the page that displays far-end sta-
link—clicking on this link takes you to the page that displays far-end sta-
link—clicking on this link takes you to the page that displays the total far-
window has three main sections that display the following T1/E1 parameters:
—Show error statistics collected from the near-end of the T1/E1 line.
—Show statistics collected from the far-end T1/E1 line. Far End Line Statistics can be
17 • T1/E1 Link
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