ADTRAN 1200305L1 system manual Modules E1/PRA-1 Test Pattern, Modules E1/PRA-1 Test Qrss Results

Section 4, User Interface Guide ATLAS 550 System Manual

E1/PRA

NI CSU

Line Loopback

Figure 10. E1/PRA Network Loopback Test Diagram

MODULES (E1/PRA-1) > TEST > PATTERN

Write security: 4; Read security: 5

Test pattern to be transmitted out the port. The following options are available:

ALL ONES	Framed ones
ALL ZEROS	Framed zeros
QRSS	Pseudo-random pattern with suppression of excess zeros

MODULES (E1/PRA-1) > TEST > QRSS RESULTS

Write security: 4; Read security: 5

Test pattern results that indicate sync and errors of received data pattern.

MODULES (E1/PRA-1) > TEST > CLR

Write security: 4; Read security: 5

Clears test results on QRSS RESULTS field.

MODULES (E1/PRA-1) > TEST > INJ

Write security: 4; Read security: 5

Injects errors into transmitted test pattern. Return receipt of the errors is displayed in the QRSS RESULTS field.

MODULES MENU (MODEM MANAGEMENT NETWORK MODULE)

The ATLAS 550 system controller automatically detects the presence of the Modem Management Network Module when it is installed in the system (listed as MODMMGMT). To see the menus for the Modem Management Network 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 Modem Management Network Module Quick Start Guide for a menu tree containing a complete listing of menus.

116 © 2002 ADTRAN, Inc. 61200305L1-1F