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ATLAS 800 Series System Manual
Quad E1/PRA Option Module
Test
Test
Write security: 4; Read security: 5
These options initiate different types of tests and display test results.
Prt
Displays the port number.
Loc LB
Causes loopback on near-end (local) port (see Figure 3). The following options
are available:
Options
Description
None
No loopback active
Line
Metallic loopback
Pattern
Test pattern to be transmitted out the port. The following options are available:
Options
Description
All ones
Framed ones
All zeros
Framed zeros
QRSS
Pseudo-random pattern with suppression of excess zeros
QRSS Results
Test pattern results that indicate sync and errors of received data pattern.
Clr
Clears test results on QRSS RESULTS field.
Inj
Injects errors into transmitted test pattern. Return receipt of the errors is
displayed in the QRSS RESULTS field.
E1/PRA
NI CSU
Line Loopback
Figure 10. E1/PRA Network Loopback Test Diagram
61200780L1-1D
© 2004 ADTRAN, Inc.
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