
Site Manager WAN Line Services Parameters
117021-A Rev. A A-27
Parameter: Primary Clock
Path: MCT1 CLOCK Connector > Edit Slot x DS1/E1 Clock Parameters
Default: Port 1 Ext Loop
Options: Internal
| Port 1 Ext Loop | Port 2 Ext Loop | Auxiliary Ext
Function: Identifies the primary source of the timing signals.
Instructions: Select Internal to use the clock chip on the link or net module.
Select Port 1 Ext Loop to use the signal coming from Port 1.
Select Port 2 Ext Loop to use the signal coming from Port 2 (Dual MCT1 only).
Select Auxiliary Ext to use an external source via BNC connectors.
MIB Object ID: 1.3.6.1.4.1.18.3.4.9.1.1.4
Parameter: Secondary Clock
Path: MCT1 CLOCK Connector > Edit Slot x DS1/E1 Clock Parameters
Default: Internal
Options: Internal
| Port 1 Ext Loop | Port 2 Ext Loop | Auxiliary Ext
Function: Identifies the secondary source of the timing signals. The router uses the
secondary clock only when the primary clock becomes unavailable.
Instructions: Select Internal to use the clock chip on the link or net module.
Select Port 1 Ext Loop to use the signal coming from Port 1.
Select Port 2 Ext Loop to use the signal coming from Port 2 (Dual MCT1 only).
Select Auxiliary Ext to use an external source via BNC connectors.
MIB Object ID: 1.3.6.1.4.1.18.3.4.9.1.1.5
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