Alcatel-Lucent 1643 AMS Applications And Planning Manual page 172

Technical Specifications
Overhead bytes
NU
The next table shows the processing of the POH (Path Overhead) of VC-12:
Overhead bytes
V5 (bit 1 to 2)
V5 (bit 3)
V5 (bit 4)
V5 (bit 5 to 7)
V5 (bit 8)
J2
Z6
K4 (bit 1 to 4)
K4 (bit 5 to 6)
The next table shows the processing of the POH of VC-3:
Overhead bytes
J1
B3
C2
G1
F2
F3
H4
K3 (bit 1 to 4)
K3 (bit 5 to 6)
Z5
The next table shows the processing of the POH of VC-4
Overhead bytes
J1
B3
C2
...................................................................................................................................................................................................................................
10-12
Function
National use
Function
VC-12 BIP-2 error checking
REI path (FEBE)
RFI path
Label of VC-12 path
RDI path (FERF)
VC-12 Trace identifier
Connection/monitoring
VC-12 APS path
Reserved
Function
VC3 trace identifier
Path bit error monitoring (BIP-8)
Path signal label
REI/RDI path
User channel
User channel
Multiframe indicator
VC-4 APS path
Reserved
Network control
Function
VC4 trace identifier
BIP-8 path
Path signal label
Alcatel-Lucent - Proprietary
See notice on first page
System specifications
Processing
11111111
Processing
Yes
Yes
Fixed to 0
Yes
Yes
Yes
Fixed to 0
Fixed to 0
Fixed to 0
Processing
Yes
Yes
Yes
Yes
Fixed to 0
Fixed to 0
Fixed to 11111111
Fixed to 0
Fixed to 0
Fixed to 0
Processing
Yes
Yes
Yes
365-312-801R7.2
Issue 3, May 2007