
Configuring WAN Line Services
A-40 117021-A Rev. A
Parameter: Remote Loopback Detection
Path: Configured MCE1 or MCT1 Connector > MCE1/T1 Logical Lines
Default: Disable
Options: Enable
| Disable
Function: Enables or disables detection of the driver’s own BofL packets, providing you
set the Breath of Life (BofL) Enable/Disable parameter to Enable. If you select
Enable and put the line into loopback mode, the downstream driver will bring
down the interface when it detects its own BofL packets.
Instructions: Select Enable or Disable.
MIB Object ID: 1.3.6.1.4.1.18.3.4.9.6.1.56
Parameter: BERT Mode
Path: Configured QMCT1 or DMCT1 Connector > MCT1 Logical Lines
Default: Disable
Options: Enable
| Disable
Function: Selecting Enable activates BERT mode.
Instructions: To enter BERT mode, select Enable and click on Apply.
You can configure this parameter for QMCT1 link modules and DMCT1 net
modules only.
MIB Object ID: 1.3.6.1.4.1.18.3.4.9.6.1.62
Parameter: BERT Test Pattern
Path: Configured QMCT1 or DMCT1 Connector > MCT1 Logical Lines
Default: Ones
Options: Zeros
| Ones | QRSS | 2e15 | 2e15 Inverted | 2e20 | 2e23 | 2e23 Inverted
Function: Specifies the bit pattern transmitted during BERT diagnostics. When a port is in
BERT mode, it can generate patterns such as all 1s, all 0s, or a QRSS
(quasi-random signal sequence) pattern.
Instructions: Select a test pattern and click on Apply.
You can configure this parameter for QMCT1 link modules and DMCT1 net
modules only.
MIB Object ID: 1.3.6.1.4.1.18.3.4.9.6.1.63
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