Cisco IE-3000-8TC Administration Guide - Page 320

Connection Settings 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) Setting Description 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 Clock Select Internal or External for the clock source. The default value in External. Coverage (ms) 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 Echo Cancellation The default value is 64. Note This option is available only if the echo cancellation is enabled. Select whether to enable or disable the echo cancellation. The default value is Enable. Framing Select the multiframe format of the span from one of the following: • Cyclic Redundancy Check 4 (CRC4) • Non Cyclic Redundancy Check 4 (NonCRC) Line Coding Select the line coding from one of the following: • High Density Bi-polar 3 (HDB3) • Alternate mark inversion (AMI) Administration Guide for Cisco Business Edition 3000, Release 8.6(4) 300 OL-27022-01