Section 4, User Interface Guide ATLAS 550 System Manual
162 © 2002 ADTRAN, Inc. 61200305L1-1F
MODULES (E&M-8) > CONFIG > RX GAIN
Write security: 3; Read security: 5
Adjusts the level of the signal output at the VF interface. The range includes +6 dB (loudest) to -12 dB
(softest).
MODULES (E&M-8) > CONFIG > TX GAIN
Write security: 3; Read security: 5
Adjusts the encoded level of the signal transmitted by the module into the digital PCM stream toward the
network. The range includes +6 dB (loudest) to -12 dB (softest).
MODULES (E&M-8) > CONFIG > CODING SCHEME
Read security: 5
Displays the current PCM coding scheme. Currently only µ-LAW is supported.
MODULES MENU (LEGACY DATA OPTION MODULE)
The ATLAS 550 system controller automatically detects the presence of the Legacy Data Option Module
when they are installed in the system (listed as LEGACY-4). To see the menus for the Legacy Data Option
Module via the terminal menu, use the arrow keys to scroll to the MODULES menu and press <Enter> to
access the module choices. Refer to the Legacy Data Option Module Quick Start Guide for a menu tree
containing a complete listing of menus.
MODULES (LEGACY-4) > INFO > PART NUMBER
Read security: 5
Displays the part number of the module.
MODULES (LEGACY-4) > INFO > SERIAL NUMBER
Read security: 5
Displays the serial number of the module.
MODULES (LEGACY-4) > INFO > ASSEMBLY REVISION
Read security: 5
Displays the assembly revision of the module.
MODULES (LEGACY-4) > INFO > FIRMWARE REVISION
Read security: 5
Displays the current firmware revision of the selected module.
When the digital signal is connected through the PSTN, a setting of -3 dB should be used.