1
Scope
2 References
3 Terms and Definitions
4 Abbreviations
5 Conventions
5.1 PDH specific transmission layer
names
6 Supervision Processes and
Management Information flows
6.1 Trail Termination Point Mode and Port Mode
6.2 Defects
6.2.1 Continuity Supervision
6.2.2 Connectivity Supervision
6.2.3 Signal quality supervision
6.2.4 Payload type supervision
6.2.5 Alignment supervision
6.2.6 Maintenance signal supervision
6.2.7 Protocol supervision
6.3 Consequent actions
6.4 Defect correlations
6.5 One second window for performance monitoring
7 Information flow (XXX_MI) across
the XXX_MP reference points
8 Generic processes
8.1 Line coding and scrambling
processes
8.2 Alignment Processes
8.2.1
Pqe (q=4, 31, 22) frame alignment
8.2.2 P32 frame alignment
8.2.3 P21e frame alignment
8.2.4 P12s frame and multiframe alignment
8.2.5 Pqs
(q=4, 31) frame alignment
8.2.6 Lower order VC-1, VC-2 multiframe alignment
8.2.7 Tandem connection multiframe alignment
8.3 Signal quality supervision
processes
8.4 BIP compensation processes
9 PDH Physical Layer (Eq) (q=4,
31, 32, 22, 21, 12, 11)
9.1 Eq Section Layer Functions (q=4, 32, 31, 22, 21, 12, 11)
9.1.1 Eq Connection functions (N/A)
9.1.2 Eq
Trail Termination functions (q=4,31,22,12)
9.1.3 Eq
Adaptation functions (q=4, 32, 31,
22, 21, 12, 11)
10 PDH 2048 kbit/s hierarchy (Pqe)
path layer functions (q=4, 31, 22)
10.1 Pqe connection functions
10.2 Pqe trail termination functions Pqe_TT
and Pqem_TT (q=4, 31, 22)
10.2.1 Pqe trail termination source
Pqe_TT_So
10.2.2 Pqe trail termination sink Pqe_TT_Sk
10.2.3 Pqe layer non-intrusive
monitoring function Pqem_TT_Sk
10.3 Pqe adaptation
functions (q=4, 31, 22)
10.3.1 Pqe
to Pyx adaptation source Pqe/Pyx_A_So
((q,y) = (4,31), (31,22), (22,12))
10.3.2 Pqe
to Pyx Adaptation Sink Pqe/Pyx_A_Sk
((q,y) = (4,31), (31,22), (22,12))
10.3.3 Pqe to Pye adaptation source Pqe/Pye_A_So ((q,y) = (4,31), (31,22))
10.3.4 Pqe
to Pye adaptation sink Pqe/Pye_A_Sk
((q,y) = (4,31), (31,22))
10.3.5 P4e to P31s adaptation source
P4e/P31s_A_So
10.3.6 P4e
to P31s adaptation sink P4e/P31s_A_Sk
10.3.7 P22e to P12s adaptation source
P22e/P12s_A_So
10.3.8 P22e to P12s adaptation sink
P22e/P12s_A_Sk
10.4 Pqe PDH equipment clock adaptation source Pqe_PEC (q=4, 31, 22)
11 Pqs path layer functions (q=4,
31)
11.1 Pqs connection functions
11.2 Pqs trail termination functions Pqs_TT and Pqsm_TT
11.2.1 Pqs trail termination source Pqs_TT_So
11.2.2 Pqs trail termination sink
Pqs_TT_Sk
11.2.3 Pqs non-intrusive monitoring
function Pqsm_TT_Sk
11.3 Pqs adaptation functions
11.3.1 P31s layer to VC‑12, VC‑11 layer
compound adaptation source function P31s/SX_A_So
11.3.2 P31s layer to VC‑12, VC‑11
layer compound adaptation sink function P31s/SX_A_Sk
11.3.3 P4s layer to VC‑3, VC‑2, VC‑12,
and VC‑11 layer compound adaptation source function P4s/SX-TUG3_A_So
11.3.4 P4s layer to VC‑3, VC‑2, VC‑12,
and VC‑11 layer compound adaptation sink function P4s/SX-TUG3_A_Sk
11.3.5 P4s layer to VC‑2, VC‑12, and
VC‑11 layer compound adaptation source function P4s/SX-TUG2_A_So
11.3.6 P4s layer to VC‑2, VC‑12, and
VC‑11 layer compound adaptation sink function P4s/SX-TUG2_A_Sk
11.3.7 Pqs layer to P0s layer adaptation
source Pqs/P0s_A_So
11.3.8 Pqs layer to P0s layer adaptation sink Pqs/P0s_A_Sk
11.3.9 Pqs to V0x adaptation source Pqs/V0x_A_So
11.3.10 Pqs to V0x adaptation sink Pqs/V0x_A_Sk
11.3.11 Pqs to DCC adaptation source Pqs/DCC_A_So
11.3.12 Pqs to DCC adaptation sink Pqs/DCC_A_Sk
11.3.13 Pqs to SD adaptation source Pqs/SD_A_So
11.3.14 Pqs to SD adaptation sink Pqs/SD_A_Sk
11.3.15 Pqs to ATM VP compound adaptation
source Pqs/Avp_A_So
11.3.16 Pqs to ATM VP compound adaptation
sink Pqs/Avp_A_Sk
11.3.17 Pqs Layer Clock adaptation source
Pqs-LC_A_So
11.4 Pqs layer trail protection
functions
11.5 Pqs tandem connection sublayer functions
11.5.1 Pqs tandem connection trail termination functions PqsD_TT
and PqsDm_TT
11.5.2 Pqs tandem connection adaptation functions
12 P12s path layer functions
12.1 P12s connection functions
12.2 P12s trail termination functions
12.2.1 P12s trail termination source P12s_TT_So
12.2.2 P12s trail termination sink P12s_TT_Sk
12.3 P12s adaptation functions
12.3.1 P12s to P0‑31c adaptation source
P12s/P0‑31c_A_So
12.3.2 P12s to P0‑31c adaptation sink
P12s/P0‑31c_A_Sk
12.3.3 P12s to SD adaptation source P12s/SD_A_So
12.3.4 P12s to SD adaptation sink
P12s/SD_A_Sk
12.3.5 P12s to ATM VP compound adaptation source P12s/Avp_A_So
12.3.6 P12s to ATM VP compound adaptation sink P12s/Avp_A_Sk
12.3.7 P12s Layer Clock adaptation source P12s-LC_A_So
12.3.8 P12s Layer to P0 layer compound adaptation source function
P12s/P0X_A_So
12.3.9 P12s layer to P0X layer compound adaptation sink function P12s/P0X_A_Sk
12.3.10 P12s layer to V3-SM layer adaptation source function P12s/P0X_A_So
12.3.11 P12s layer to V3-SM layer adaptation source function P12s/P0X_A_Sk
12.4 P12s layer monitoring functions
12.4.1 P12s layer non-intrusive monitoring function P12sm_TT_Sk
13 P4a path layer functions
14 P32e path layer functions
14.1 P32e path layer connection function (P32e_C)
14.2 P32e trail termination functions P32e_TT and P32em_TT
14.2.1
P32e trail termination source P32e_TT_So
14.2.2 P32e trail termination sink P32e_TT_Sk
14.2.3 P32e trail non-intrusive monitoring function P32em_TT_Sk
14.2.4 P32e path layer adaptation functions
15 P21e Path Layer Functions
16 P11s path layer functions
17 P0 path layer functions
17.1 P0 connection functions
17.1.1 P0 Trail Connection Function (P0_C)
17.2 P0 trail termination functionsAppendix I – Example of
representations of PDH multiplexer equipment
Appendix II – Relationship between TU‑3/2/12/11
address, and location of columns within
a P4s TUG-3 structured payload
Appendix III – Relationship between TU‑2/12/11 address, and location of
columns within a P4s TUG-2 structured payload