363-206-295
Maintenance Description
Issue 1
December 1997
9-9
DDM-2000 OC-3 and OC-12 Software
Compatibility
9
Table 9-2 lists the software compatibility within a subnetwork for the DDM-2000 OC-3 and
OC-12 Multiplexers. All configurations listed support OI. The table lists all possible software
combinations. Combinations not listed are not supported.
Note
: All NEs in a ring network, which may be part of a larger network, must be running the
same software. In a subnetwork, all NEs must be running compatible software according to
the table.
Table 9-3 lists the dual ring interworking (DRI) software compatibility for the DDM-2000
OC-12 Multiplexer for both EC-1 and OC-3 interfaces. The table lists all possible software
combinations. Combinations not listed are not supported.
See 824-102-144,
Lucent Technologies 2000 Product Family Multi-Vendor Operations
Interworking Guide, for more information on operations interworking.
Table 9-2.
DDM-2000 OC-3 and OC-12 Software Compatibility (Note)
OC-3
Release
OC-12
Release
Interconnection
Method
Notes
13.0
∗
7.0
22-type † or 21G/21G-U/
21D/21D-U ‡, 24G-U § OLIU
Supports OC-3/OC-12 interworking,
0x1 interfaces, and DRI
∗
22-type OLIUs must be used in DDM-2000 OC-3 ring shelves in main and function unit
slots for optical extensions. 21-type OLIUs are used in OC-12.
†
The 22-type OLIUs can only be used in the DDM-2000 OC-3 shelf in place of the 21G/
21G-U OLIU. The 22-type OLIUs cannot be used in the DDM-2000 OC-12 shelf.
‡
The 21D/21D-U OLIU can be used in the DDM-2000 OC-3 shelf in place of the 21G/
21G-U OLIU for short-reach applications. The 21D/21D-U OLIU can be used in the
DDM-2000 OC-12 shelf in place of the 21G/21G-U OLIU for short-reach applications.
§
24G-U in main only (OC-3).
Table 9-3.
DDM-2000 OC-3 Multiplexer DRI Software Compatibility
DDM-2000 OC-3
DDM-2000 OC-12 and FT-2000
Release 13.0
OC-12 Release 7.0 and FT-2000 Releases 8.0