C. Configuration Options

Table C-2. Port Configuration Options (4 of 5)

EDL: Disab

Next Enab Disab Prev

Embedded Data Link. Specifies whether Embedded Data Link (EDL) is enabled for a particular port. If EDL is enabled, then 8 kbps of the total bandwidth allocated for this port is not available to the synchronous data port. For example, if the port rate is 256 kbps (4 DS0 channels allocated) and EDL is enabled, then only 248 kbps is available to the port. EDL provides the following: detection of frame synchronization, CRC of the data stream (excluding the 8 kbps EDL), and an in-band data link (4 kbps) between the local and remote units. The 4 kbps in-band data link can be used for performance report messages and as an IP link for SNMP or Telnet sessions.

Enab – Indicates the port’s EDL is enabled.

Disab – Indicates the port’s EDL is disabled.

NOTES:

–If the local DSU/CSU’s EDL is enabled, then the remote DSU/CSU’s EDL must also be enabled.

–EDL is not recommended for networks in which data is examined for routing purposes (e.g., frame relay, x.25).

Err Rate: 10E-4

Next 10E-4 10E-5 10E-6 10E-7 10E-8 10E-9 Prev

Port Excessive Error Rate Threshold. Sets the error rate threshold that determines when an Excessive Error Rate (EER) condition is declared for a particular port. The error rate selected by this configuration option is determined by the ratio of the number of CRC5 errors to the total number of bits received over a set period of time.

10E-4– 10E-4 Threshold. For example, at 1536 kbps, EER is declared if more than 1,535 CRC5 errors are detected in a 10-second period. It is cleared with less than 1,536 errors in ten seconds.

10E-5– 10E-5 Threshold. For example, at 1536 kbps, EER is declared if more than 921 CRC5 errors are detected in a 60-second period. It is cleared with less than 922 errors in sixty seconds.

10E-6– 10E-6 Threshold. For example, at 1536 kbps, EER is declared if more than

92 CRC5 errors are detected in a 60-second period. It is cleared with less than 93 errors in sixty seconds.

10E-7– 10E-7 Threshold. For example, at 1536 kbps, EER is declared if more than

9 CRC5 errors are detected in a 60-second period. It is cleared with less than 10 errors in sixty seconds.

10E-8– 10E-8 Threshold. For example, at 1536 kbps, EER is declared if more than 41 CRC5 errors are detected in three 15-minute intervals. It is cleared with less than 42 errors in three 15-minute intervals.

10E-9– 10E-9 Threshold. For example, at 1536 kbps, EER is declared if more than 4 CRC5 errors are detected in three 15-minute intervals. It is cleared with less than 5 errors in three 15-minute intervals.

NOTE: This configuration option is not available if EDL is disabled.

C-6

March 2001

3160-A2-GB24-10

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Paradyne 3160-A4, and 3165-A4, 3161 manual Table C-2. Port Configuration Options 4, EDL Disab Next Enab Disab Prev
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3160-A4, 3161, and 3165-A4 specifications

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