Справочник Пользователя для SonicWALL 5.8.1

Line Build Out is available with T1. The options are: 0.0 dB, -7.5 dB, -15 dB, -22.5 dB.

CRC is configured with an enable/disable check-box. When T1 is selected, the check-box is 
labeled CRC6, when E1 is selected the check-box is labeled CRC4.

You can also choose to enable multicast. 

When finished with configuration, click OK.

The T1/E1 module interface will be added to the pool of available WAN interfaces

This module allows you to perform a physical bypass of the firewall when the interface is 
bridged to another interface with LAN bypass capability. This allows network traffic to continue 
flowing if an unrecoverable firewall error occurs.

Click on the Edit 

 icon in the Configure column for the Interface of the expansion module 

you want to configure. The Edit Interface window is displayed. The Bypass option is only 
displayed if an interface capable of performing the bridge is present. 

The window shows the LAN interface, and has a checkbox “Engage Physical ByPass on 
Malfunction” to enable the physical bypass feature. This is only displayed when the interface 
is bridged to another interface capable of performing the LAN bypass. Enabling this checkbox 
means that the packets between the bridged pairs will not fail, even if the firmware or NSA 
appliance fails. 

If the checkbox is not enabled, the ports will behave like normal Ethernet ports.

Click OK to configure the interface.