PM5364 pmc-sierra, PM5364 Datasheet - Page 178

• Manufacturer Part Number: PM5364
• Description: Tupp 2488 Assp Telecom Standard
• Manufacturer: pmc-sierra

Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2011334, Issue 7
TUG
Figure 37 illustrates a placement of tributaries in TUG3. This figure shows a single TUG3
which is interleaved in the received STM-4 frame. This figure shows the first TUG3 containing
TUG2s that are multiplexed into the VC4. For the remaining two TUG3s, the path overhead
column (POH) contains fixed stuff bytes. For simplicity, the VC4 is shown to begin
immediately after the J0 byte. This example shows a snapshot of the second frame of the
tributary multiframe when the V2 bytes are present. All seven TUG2s in the TUG3 are
configured to carry TU12s.
Figure 37 SDH TUG3 Containing TUG2s Configured for TU12
TU3
The placement of tributaries in TU3 is illustrated in Figure 38. This figure shows a single TUG3
which is interleaved in the received STM-4 frame. The first TUG3 that is multiplexed into the
VC4 virtual container is shown. For simplicity, the VC4 is shown to immediately follow the C1
byte, and the VC3 is shown to immediately follow the TU3 H1 byte. The H1, H2, and H3 bytes
in SPE column 2 form the TU3 offset pointer, while those in row 4 form the AU4 offset pointer.
ROW 1
2
3
4
5
6
7
8
9
D10
A1
B1
D1
H1
B2
D4
D7
Z1
TRANSPORT
OVERHEAD
D11
A2
E1
D2
H2
K1
D5
D8
Z2
First of 4 columns occupied
by TU12 #1 of TUG2 #1
(column set is 4, 25, 46, 67)
D12
C1
D3
H3
K2
D6
D9
E2
F1
POH
B3
C2
G1
H4
J1
F2
Z3
Z4
Z5
TU12 #1 of TUG2 #2
(column set is 5, 26, 47, 68)
SPE
COL
NPI
NPI
R
R
R
R
R
R
R
2
R
R
R
R
R
R
R
R
R
3
4
V2
V
T
S
P
E
5
V2
TUPP™ 2488 ASSP Telecom Standard Product Data Sheet
V2
6
V2
7
TU12 #2 of TUG2 #1
(column set is 11, 32, 53, 74)
V2
8
V2
9
V2
10
TU12 #3 of TUG2 #7
(column set is 24, 45, 66, 87)
V2
11
TU12 #1 of TUG2 #1
12
V2
• • • •
V2
24
25
Released
Last of 3 columns
occupied by TU12 #3 of
TUG2 #7
• • • •
87
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