
Parameters
115391-A Rev. A A-53
QMCT1 Port Parameters
In addition to the parameters in the previous section, the Port Parameters window
for the QMCT1 link module includes the following configurable parameters.
Parameter: Loopback Configuration
Path: MCT1 Connector > Edit Logical Lines > Port Details > MCT1 Port
Parameters
Default: No Loopback
Options: No Loopback
| Payload Loopback | Line Loopback
Function: Setting this parameter forces the DS1 interface into loopback. The far-end or
intermediate equipment then performs diagnostics on the network between that
equipment and the DS1 interface.
• Payload Loopback -- The received signal at this interface is looped through
the device. Typically the received signal is looped back for retransmission
after it has passed through the device’s framing function.
• Line Loopback -- The received signal does not go through the framing device
(minimum penetration) but is looped back out.
Instructions: Select the loopback configuration option for testing. After testing, set this
parameter to No Loopback to return the interface to normal operation.
MIB Object ID: 1.3.6.1.4.1.18.3.4.9.4.1.10
Parameter: Send Performance Measurement CR Addr
Path: MCT1 Connector > Edit Logical Lines > Port Details > MCT1 Port
Parameters
Default: Customer Inst
Options: Customer Inst
| Carrier
Function: Specifies the source of performance messages; Customer Inst. indicates that the
customer installation supplies the messages, and Carrier indicates that the
carrier supplies the messages.
You configure this parameter only for QMCT1 link modules.
Instructions: Select the source for outgoing performance messages.
MIB Object ID: 1.3.6.1.4.1.18.3.4.9.3.1.18
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