Page 851 - 5G Basics - Core Network Aspects

Transport aspects 2

Table 11-48.6 – L2 link state transition response (FTU-R to FTU-O)

Length
Name Byte Content
(Bytes)
L2.1-Entry-Confirm Variable 2 8016 (Note 1)

3 Segmentation Code (SC)

4 One byte for Q for the downstream

5 One byte for KFEC for the downstream

6 One byte for RFEC for the downstream (Note
4)
7 [0000 aaaa]
aaaa = downstream configuration change
count (SCCC) (Note 2)

Variable Data subcarrier parameter block for all
downstream subcarriers requested in L2.1-
Entry-Request.
A variable number of bytes describing the
subcarrier parameter field for each
subcarrier (Note 3)

L2.1-Entry-Reject 3 2 8116 (Note 1)
3 One byte for reason code with the following
valid values:
0116 – busy
0216 – invalid parameters
0316 – wait for RPA
L2.2-Entry- Variable 2 8216 (Note 1)
Confirm
3 Segmentation Code (SC)
4 One byte for Q for the downstream
5 One byte for KFEC for the downstream
6 One byte for RFEC for the downstream (Note
4)
7 [0000 aaaa]
aaaa = downstream configuration change
count (SCCC) (Note 2)
Variable Data subcarrier parameter block for all
downstream subcarriers requested in L2.2-
Entry-Request.
A variable number of bytes describing the
subcarrier parameter field for each
subcarrier (Note 3)
L2.2-Entry-Reject 3 2 8316 (Note 1)
3 One byte for reason code with the following
valid values:
0116 – busy
0216 – invalid parameters

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