Download LOOP-AM MODEL 3440-B Access DCS

Chapter 2 Installation
2.4
Configuration Setting
2.4.1
Software Configuration Setting
There are four system configurations:
· Factory default
·
Current working
·
User stored
·
Link backup
The factory default configurations are not changeable. Each Loop-AM is shipped with all three configurations
set to the factory default configuration.
The current working configuration, which can be saved into nonvolatile memory as a user-stored configuration,
can be changed at any time. When the system is reset, the previous configuration will be retrieved as the
current working configuration.
The user-stored configuration can be retrieved at any time. User can retrieve the user-stored configuration to
overwrite the current working configuration. Please refer to the section of Store/ Retrieve Configuration for
the detail operation.
The link backup configuration are the 1:1 and 1+1 protection schemes which only available in single E1/T1,
FOM(mini slot) and 1FOMA (single slot) cards. This occurs when the system is set up so that a backup line (or
lines in the case of 1:n) will be switched into service if the working line fails. Please refer to the section of Link
Backup Function for the detail operation.
2.4.2
Replacement of Plug-in Card
When a plug-in card is removed and replaced with a card of a different type, default configuration is
assigned to the new card. The user must set the configuration for each change of card type. If the same
type card is inserted, depending on card type.
19