Avaya BCM 4.0 Networking Guía de configuración Pagina 113

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Chapter 6 Configuring resources — media bay modules 113
BCM 4.0 Networking Configuration Guide
The PSTN setting requires analog access lines (AAL) that have analog network loss treatment and
digital signaling. On an AAL(D) network, the CO administers the dB loss.
The loss plan follows the Draft TIA-464-C loss plan. The ISDN loss plan uses a send loudness
rating (SLR) of 8 dB and a receive loudness rating (RLR) of 2 dB. The PSTN loss plan uses an
SLR of 11 dB and an RLR of -3 dB. If you choose the wrong setting, the voice signal can be too
loud or too soft.
Internal CSU
Internal CSU allows you to turn the internal T1 channel service unit on or off. The channel service
unit gathers performance statistics for your T1 lines or PRI with public interface. Contact your
service provider for the correct settings.
You can view the performance statistics for your T1 lines in Maintenance under the CSU stats
heading. Before you set the internal CSU to off, you must ensure there is an external CSU
connected to your T1 lines.
E1 parameters (region-specific)
The E1 Parameters command appears for modules that have been configured as PRI in an E1
region. The CRC4 setting is the only selection in the E1 Parameters menu. CRC4 checking is
enabled at the other end.
CRC (Cyclic Redundancy Checking) is a way for the CO to detect errors on the E1 link, not all CO
providers use it.
The BCM must use the same setting as the CO
.
1 Click Configuration > Resources > Telephony Resources.
2 Click the E1 bus.
The details panel for the E1 bus appear.
3 Enable or disable the CRC4 parameter.
Note: You must disable the DTM before you can change this setting.
See “Disabling/enabling a single module” on page 120 for details.
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