STANDARD PRODUCT
PM5365 TEMAP
DATASHEET
PMC-1991148
ISSUE 3
HIGH DENSITY VT/TU MAPPER
AND M13 MULTIPLEXER
Table 16
- Structure for Carrying Multiplexed Links
SBI Column
1
-
6
7
8
-
15 16
17
18
19
268 269 270
Row 1
2
SSS - C1
SSS - SPE1SPE2SPE3SPE1SSSSPE1SPE2SPE3
-
SSS -
-
-
SSS - SPE1SPE2SPE3SPE1SSSSPE1SPE2SPE3
S
S
S
9
-
-
-
-
- SPE1SPE2SPE3SPE1
SPE1SPE2SPE3
90 90 90
1
2
3
3
5
6
6
6
7
SPE Column
The TEMAP when enabled for SBI interconnection will add and drop either 28
T1s, 21 E1s or a DS3 into one of the three Synchronous Payload Envelopes,
SPE1, SPE2 or SPE3. When T1 or E1 tributaries are sourced from the telecom
bus via VT1.5, TU11, VT2 or TU12 mappings, the TEMAP also supports a mix of
transparent virtual tributaries with T1s and E1s. Restriction to this are that only
VT1.5s, TU11s and T1s can be mixed together or VT2s, TU12s and E1s can be
mixed together. Another restriction is that the telecom bus and SBI bus must run
from the same clock with a fixed framing offset, ie. SREFCLK and LREFCLK are
externally connected.
Tributary Numbering
Tributary numbering for T1 and E1 uses the SPE number, followed by the
Tributary number within that SPE and are numbered sequentially. Table 17 and
Table 18 show the T1 and E1 column numbering and relates the tributary
number to the SPE column numbers and overall SBI column structure.
Numbering for DS3 follows the same naming convention even though there is
only one DS3 per SPE. TVT1.5s and TVT2s follow the same numbering
conventions as T1 and E1 tributaries respectively. SBI columns 16-18 are
unused for T1, E1, TVT1.5 and TVT2 tributaries.
Table 17
T1#
– T1/TVT1.5 Tributary Column Numbering
SPE1 Column SPE2 Column SPE3 Column SBI Column
1,1
2,1
3,1
1,2
2,2
SSS
7,35,63
19,103,187
20,104,188
21,105,189
22,106,190
23,107,191
7,35,63
7,35,63
8,36,64
8,36,64
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163
PMC [ PMC-SIERRA, INC ]
