Sts-1 I/O Numbers - Nortel SONET AccessNode Manual

Table 2-3 lists the DS3 circuit pack groups for the TBM shelf functions. It also
shows the association between mappers in the lower level of the shelf, and
input/output cards in the upper level.
Table 2-3
TBM DS3 mapper, group, and I/O numbers
Shelf Group or
function I/O slot
FCOT Group
FCOT_BLSR
I/O slots
TN_BLSR
Note 1: * This group is available for FCOT_BLSR shelves that have no DS1s provisioned.
Note 2: The feeder occupies slots 9 and 10. If an OPC is installed, it occupies slots 5 through 8.
Note 3: The symbol "P" in slot 1 denotes a protection mapper; the symbol "S" in slot 2 denotes a
protection switch card.
Note 4: The symbol "g1" is a group of modules that include a working DS3 mapper circuit pack and its
corresponding DS3 input circuit pack and DS3 output circuit pack.

STS-1 I/O numbers

Table 2-4 lists the STS-1 circuit pack groups for the TBM shelf functions. It
also shows the association between mappers in the lower level of the shelf, and
input/output cards in the upper level.
Table 2-4
TBM STS-1 mapper, group, and I/O numbers
Shelf Group or
function I/O slot
TN_BLSR Group
I/O slots
Note 1: The feeder occupies slots 9 and 10. If an OPC is installed, it occupies slots 5 through 8.
Note 2: The symbol "P" in slot 3 denotes a protection mapper; the symbol "S" in slot 2 denotes a
protection switch card.
1 2 3 4 5 6
P S — —
— —
— —
— —
1 2 3 4 5 6
S P —
— —
— —
— —
AccessNode Site Testing Procedures 323-3001-221 Issue 2.0
DS3 tests, STS-1 tests, and optical in-bay tests 2-5
Mapper slot
7 8 9 10 11 12 13 14 15 16 17 18 19
g1 — g2* — g3 — g4 — —
38
39
40
Mapper slot
7 8 9 10 11 12 13 14 15 16 17 18 19
g1 —
38
39
40
42* 46 50
43* 47 51
44* 48 52
g2 — g3 — g4 — —
42 46 50
43 47 51
44 48 52