EXFO FTB-8100 Series Transport Blazer for FTB-200 - Manual (Page 482)

Glossary
470 FTB-8100 Series Transport Blazer
SDH - Higher-Order Path Overhead (HP-POH)
C2: Path Signal Label
C2 specifies the mapping type in the VC-N.
C2 (Hex.) Description
00 Unequipped or supervisory-unequipped
01 Reserved (Equipped - Non-Specific)
02 TUG Structure
03 Locked TU-n
04 Asynchronous Mapping of 34M/45M in C-3
05 Experimental Mapping
12 Asynchronous Mapping of 140M in C-4
13 ATM Mapping
14 MAN DQDB
15 FDDI [3]-[11] Mapping
16 Mapping of HDLC/PPP
17 Reserved (SDL self-synch scrambler)
18 Mapping of HDLC/LAPS
19 Reserved (SDL set-reset scrambler)
1A Mapping of 10 Gbps Ethernet (IEEE 802.3)
1B GFP
1C Mapping 10 Gbps FC
20 Asynchronous Mapping of ODUk
CF Reserved (obsolete HDLC/PPP framed)
FE Test Signal, ITU-T 0.181 specific mapping
FF VC-AIS (TCM)