Cisco Catalyst 3000, Administration Manual

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Connection Type: E1 R2
The following table describes the settings on the Add PSTN Connection > Connection Settings page when
your chosen Connection Type is Cisco Digital Access E1 R2 For Brazil, Cisco Digital Access E1 R2 For
Mexico, or Cisco Digital Access E1 R2 For Saudi Arabia.
Table 70: Connection Settings for E1 R2 (only)
Description Setting
Show Advanced Settings/Hide Advanced Settings
The E1 R2 connection settings described in the table below are enabled in the country pack and some of
the options may not be available for the country pack that is installed on your server.
Interface Settings
Select Internal or External for the clock source.
The default value in External.
Clock
If an issue occurs with the echo cancellation, select
a value to address the issue. Choose one of the
following values:
• 24
• 32
• 48
• 64
• 128
The default value is 64.
This option is available only if the echo
cancellation is enabled.
Note
Coverage (ms)
Select whether to enable or disable the echo
cancellation.
The default value is Enable.
Echo Cancellation
Select the multiframe format of the span from one of
the following:
• Cyclic Redundancy Check 4 (CRC4)
• Non Cyclic Redundancy Check 4 (NonCRC)
Framing
Select the line coding from one of the following:
• High Density Bi-polar 3 (HDB3)
• Alternate mark inversion (AMI)
Line Coding
Administration Guide for Cisco Business Edition 3000, Release 8.6(4)
300 OL-27022-01
Connection Settings