Assign Dns; Loop Dn; Clock Src - Nortel Modular ICS 6.0 Installer's Manual

476 / Hardware

Assign DNs

1. Press ≠ and enter the ISDN DN you wish to
assign to this loop, or press SCAN to move through a list of
DNs already assigned to the loop.
The display shows:
• Availabl, Assigned — assigned to this loop
• *Lpnnn* — assigned as the default DN of
another loop
• Lpnnn — assigned to another loop
2. Press LIST to view the DNs assigned as ISDN DNs.
The default ISDN DN range is 667-696. For information
about changing ISDN DN type, see Changing Companion
DN type on page 425.
3. Press CHANGE to assign the DN to the loop or to remove it.

Loop DN

Press CHANGE to move through the ISDN DNs you have
assigned to the loop.
This will assign the main ISDN DN to the loop.
You can also set Loop DN to None.

Clock Src

Systems with digital interfaces need to synchronize to the
network in order to function. Synchronization is done in a
hierarchical way, where each device/switch obtains the
network clock from the device/or switch above it in the
synchronization hierarchy and passes the network clock to the
device/switch below it in the synchronization hierarchy. The
synchronization levels are referred to as strata.
Modular ICS 6.0 Installer Guide
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