
Configuring MCE1 and MCT1 Services
117345-B Rev. 00
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Configuring BERT Patterns
To enable BERT diagnostics on a DMCT1 or QMCT1 logical line:
1.
Set BERT mode to Enable.
See the BERT Mode parameter on page A-41
for information.
2.
Set the bit pattern to be transmitted during BERT testing, or keep the
default value of all ones.
When a line is in BERT mode, it generates patterns such as all ones, all zeros,
or a QRSS pattern. Valid test pattern options are as follows:
• Zero
• Ones
• QRSS
• 2e15
• 2e15 Inverted
• 2e20
• 2e23
• 2e23 Inverted
See the BERT Test Pattern parameter on page A-41
for information.
Configuring Fractional Loopback Requests
To configure channel-based loopback testing on a QMCT1 or QMCT1 w/ DS0A
logical line only, set one of the following fractional loopback modes to Enable:
• Accept Fractional Loopback -- Enables the logical line to send ANSI-standard
FT1 loopback codes
See the Accept Fractional Loopback Code parameter on page A-41
for
information.
• Accept Fractional Loopback (Proprietary) -- Enables the logical line to send
SNMP-based logical line loopback codes
See the Fractional Loopback parameter on page A-37
for information.
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