Nortel Networks 8672ATME manual Editing circuit parameters

60Chapter 4 Managing the Passport 8672ATME Module with Device Manager

Table 8 ATM tab fields (continued)

Item	Description
FramingMode	Sets the framing for the port to:
	• sonet (Synchronous Optical Network), the standard format used in
		North America.
	• sdh (Synchronous Digital Hierarchy), the standard format used
		worldwide except in North America.
ClockSource	Sets the clock source for the port to:
	• loopTimed, which means clocking is derived from the SONET line.
	• freeRunning, which means clocking is derived from the on-board
		clock.
	Note: If you have two connected Passport 8672ATME Modules, you
	must set both to freeRunning or one to freeRunning and one to
	loopTimed; do not set both to loopTimed.
LoopBackMode	Sets the loopback mode to:
	•	off
	•	internal
	•	external
MacAddress	MAC address assigned to a particular interface.

Editing circuit parameters

To view and configure ATM PVC parameters:

1On the device view, highlight a port.

2From the Device Manager menu bar, choose Edit > Port.

The Port dialog box opens with the Interface tab displayed (Figure 12).

3Click the ATM PVC tab.

The ATM PVC tab opens (Figure 17).

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