1152700 • Issue 1 • February 2001• Section 2 Operation and Maintenance
Page 3 of 4
Table
SELECTION
DEFAULT
OPTIONS
DEFINITIONS
Transmit Timing Source
Do Not Use for Sync
Enable Signal Degrade
Signal Degrade BER Threshold
Medium Type
Loopback
Towards
System
False
Not Selected
5
SONET
None
System
Received
Selected (True)
Selected
Not Selected
5 through 9
SONET
SDH
None
Terminal
Facility
Uses Primary timing reference.
Uses clock derived from incoming receive fiber (also known as
Outputs DUS (Do not Use for Sync) in the S1 byte of the SONET overhead.
Enables a protection switch of the traffic if the input signal strength drops below tolerable levels set by the user in the BER threshold selection.
Defines the number of bit errors the port can incur before a signal degrade occurs and generates an alarm message and probably protection switch.
Synchronous Optical Network, US standard for transporting data over fiber.
Synchronous Digital Hierarchy, European standard for transporting data over fiber.
No loopback is requested or active.
A loopback has been activated sending the signal back to the terminal side.
A loopback has been activated sending the signal back to the facility side.
Line Coding
Line Type
Transmit Path Trace
NRZ
Card Dependant
User defined
SonetOther sonetShortSingleMode sonetLongSingleMode
Not configurable by user.
Not configurable by user, dependant on card type inserted.
User can define a unique ID to this port for identification purposes on SM cards only.
SELECTION
Table 797-2. ATM Interface Configuration Options
| DEFAULT |
| OPTIONS |
| DEFINITIONS |
|
|
|
|
|
|
|
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Interface Name
Loopback Location Code
<default>
All 1s
Alphanumeric
Alphanumeri c
User defined, up to 20 alphanumeric characters.
Used to loopback the incoming signal and transmit it back to the customer equipment. The code is limited to 16 numeric characters.
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© 2000, ADC Telecommunications, Inc.