I-21/19/05 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
About Trunk Conditioning
Beta Draft Confidential
The LPort configuration parameters enable trunk conditioning, only if a buffer
underflow or overflow situation occurs on the receiving end from ATM network.
Table I-1 lists the range of value and default values for trunk conditioning parameters.
Structured Service With NxDS0 Bundle
In the structured service case, when loss of signal (LOS), Out-of-Frame (OOF) alarm,
or alarm indication signal (AIS) is detected in the downstream signal, trunk
conditioning is carried out per DS0 bundle in the downstream direction and a remote
alarm identification (RAI) is sent in the upstream direction.
Table I-1. Trunk Conditioning Recommended Tx and Rx Values
Field Value Default
Tx Conditioning Data 0 to 0xFF 0x7F
Tx Conditioning Signal 0 to 0xF 0
Tx Conditioning Mode 1 (None)
2 (Data and Signaling)
3 (Data)
4 (Signaling)
2 (Data and Signaling)
default
Tx Force Conditioning Mode 1 (None)
2 (Data and Signaling)
3 (Data)
4 (Signaling)
1 (None) default
Rx Conditioning Data 0 to 0xFF 0x7F
Rx Conditioning Signal 0 to 0xF 0
Rx Conditioning Mode 1 (None)
2 (Data and Signaling)
3 (Data)
4 (Signalling)
1 (None) default
Rx Force Conditioning Mode 1 (None)
2 (Data and Signaling)
3 (Data)
4 (Signaling)
1 (None) default
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