Nortel Networks OPTera Metro 3500 - Manual (Page 314)

3-86 Hardware feature descriptions
OPTera Metro 3500 Multiservice Platform NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
DS1 mapper
(NTN430AA, BA)
Two types of DS1 mappers are available: the DS1 mapper (NTN430AA) and
the DS1 enhanced mapper (NTN430BA). The DS1 enhanced mapper
(NTN430BA) is able to request and collect DS1 far-end performance
monitoring information.
Both of these DS1 mappers support 12 DS1 circuits.
Equipping rules
The DS1 mapper can be installed in slots 3 through 10. See Table 3-3 on page
3-6 for operational temperature ranges.
Note 1: Slot 3 is reserved for the protection DS1 mapper. Slots 4-10 are
for working DS1 mappers.
Note 2: If there is a 1-28 DS1 I/O module installed, and if slots 5 and 6 are
not equipped with DS1 mappers, you may not install DS3x3, DS3x12,
DS3x12e, DS3VTx12, EC-1x12, 2x100BT-P2P, or 4x100BT circuit packs
in slots 5 or 6 (there is not enough room for slot 5 or slot 6’s I/O modules).
Note 3: If there is a 29-56 DS1 I/O module installed, and if slots 7 and 8
are not equipped with DS1 mappers, you may not install DS3x3, DS3x12,
DS3x12e, DS3VTx12, EC-1x12, 2x100BT-P2P, or 4x100BT circuit packs
in slots 7 and 8 (there is not enough room for slot 7 or slot 8’s I/O modules).
Note 4: If there is a 29-84 DS1 I/O module installed, and if slots 7 through
10 are not equipped with DS1 mappers, you may not install DS3x3,
DS3x12, DS3x12e, DS3VTx12, EC-1x12, 2x100BT-P2P, or 4x100BT
circuit packs in slots 7 through 10 (there is not enough room for slot 7
through slot 10’s I/O modules).
Note 5: DS1 mapper is not supported on OPTera Metro 3500 shelves
equipped with STX-192 circuit packs in slots 13 and 14.
In a shelf with 84 DS1 services terminating on DS1 mappers in slots 3 through
10, connectivity is demonstrated in
Table 3-11 .