ADTRAN 1200305L1 system manual Modules FXO-4/8 Config RX Gain, Modules FXO-4/8 Config TX Gain

Section 4, User Interface Guide ATLAS 550 System Manual

Option Module.

MODULES (FXO-4/8) > CONFIG > RX GAIN

Write security: 3; Read security: 5

Adjusts the (+)Gain and (-)Attenuation of the relative signal received by the FXO port (Digital-to-Analog). The range includes 0 (loudest), -3, and -6dB(softest).

MODULES (FXO-4/8) > CONFIG > TX GAIN

Write security: 3; Read security: 5

Adjusts the (+)Gain and (-)Attenuation of a digital signal transmitted by the FXO into the digital PCM stream. The range includes +3 (loudest), 0, -3, and -6 dB (softest).

When the digital signal is connected through the PSTN, a setting of -3 dB should be used.

MODULES (FXO-4/8) > CONFIG > 2W IMPEDANCE

Read security: 5

2-wire input impedance is set to 600 Ω +2.16 µF. This is a read-only field.

MODULES (FXO-4/8) > CONFIG > CODING SCHEME

Read security: 5

Displays the current PCM coding scheme. Currently only µ-LAWis supported.

MODULES MENU (OCTAL E&M OPTION MODULE)

The ATLAS 550 system controller automatically detects the presence of the Octal E&M Option Module when it is installed in the system (listed as E&M-8). To see the menus for the Octal E&M 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 Octal E&M Option Module Quick Start Guide for a menu tree containing a complete listing of menus.

MODULES (E&M-8) > INFO > PART NUMBER

Read security: 5

Displays the part number of the module.

MODULES (E&M-8) > INFO > SERIAL NUMBER

Read security: 5

Displays the serial number of the module.

158 © 2002 ADTRAN, Inc. 61200305L1-1F