Nortel Passport 8672ATME Using Manual page 152

152 Chapter 7 Web Management
Table 56 Port page items (continued)
Field
Framing Mode
Clock Source
Line Speed
Loop Back Mode
Mac Address
209195-B
Description
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.
Sets the framing clock source for the port to:
• loopTimed means clocking is derived from SONET line.
• freeRunning means clocking is derived from on-board clock.
Note that if you have two connected
Module
s, you must set both to freeRunning or one to freeRunning
and one to loopTimed; do not set both to loopTimed.
155 MBS or 622 MBS
Sets the loopback mode to:
• off
• internal
• external
The MAC address assigned to this VLAN (used in IP and IPX
routed circuits when there is no appropriate destination MAC to
use).
Passport 8672ATME