CONTENTS

Amendment 1����
1)���� Clause 2� References�������
2)���� Clause 3� Definitions��������
3)���� Clause 4� Abbreviations���
4)���� New clause 5.4� Traffic control facilities in ONU for upstream������
5)���� Clause 7.4.2 and elsewhere in the Recommendation���������
6)���� Clause 8� GTC TC frame
7)���� Clause 8.1.3.6� BWmap fields�����
8)���� Clause 8.1.3.6.1� Allocation ID field��������
9)���� Clause 8.1.3.6.2� Flags field��������
10)���� Clause 8.1.3.6.3� StartTime field
11)���� Clause 8.1.3.6.4� StopTime field
12)���� Clause 8.1.4.1� ATM partition���
13)���� Clause 8.1.4.2� GEM partition���
14)���� Clause 8.2� Upstream frame structure����
15)���� Clause 8.2.2.1� BIP field�����������
16)���� Clause 8.3.2� Mapping of GEM frames into GTC payload���������
17)���� Clause 8.4� Dynamic bandwidth allocation signalling and configuration����
18)���� Clause 8.4.2.1� Definitions of the message����������
19)���� Clause 9.2.1� Downstream message definition����
20)���� Clause 9.2.2� Upstream message definition���������
21)���� Clause 9.2.3.1� Upstream_Overhead message���
22)���� Clause 9.2.3.2� Serial_Number_Mask message�
23)���� Clause 9.2.3.10� Assign_Alloc-ID message�������
24)���� Clause 9.2.3.19� Key_Switching_Time message
25)���� New clause 9.2.3.20� Extended_burst_length message���
26)���� Clause 10� Activation method����
27)���� Figure 11-1����
28)���� Clause 11.1.1� Items detected at OLT���
29)���� Clause 11.1.2� Items detected at ONU��
30)���� Clause 12.2� Encryption systems
31)���� Clause 12.3� Key exchange and switch-over������
32)���� Clause 13.2.1.2� Shorter last codeword�
33)���� Clause 13.2.3.1� D/S FEC indication bit
34)���� Clause 13.3.1.1� Parity bytes�����
35)���� Clause 13.3.1.2� Shorter last codeword�
36)���� Clause 13.3.1.3� ONU transmission size
37)���� Clause 13.3.3.1� U/S FEC indication bit
38)���� Clause 13.3.3.2� U/S FEC on/off detection behaviour at OLT����
39)���� Clause 13.4� ONU activation transmissions��������
40)���� Appendix IV����