User guide

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Cisco Transport Manager Release 9.2 GateWay/CORBA User Guide and Programmer Manual

OL-20937-01

Chapter 2 NE- and CTM-Specific Details

2.1.13 MGX 8880/8850/8830

See the Release Notes for Cisco Transport Manager Release 9.2 for the MGX software releases that

CTM R9.2 supports.

2.1.13.1 Racks

The MGX 8880/8850/8830 is a single-rack NE.

2.1.13.2 Shelves

Each MGX 8880/8850/8830 NE has one shelf per rack.

2.1.13.3 Slots

The MGX 8880/8850 is a single-shelf NE with 32 slots. Slots 7 and 8 are reserved for the controller

(PXM45 or PXM1E) front card. Slots 15/31 and 16/32 are reserved for the short reach (SR) ME front

cards.

The MGX 8830 is a single-shelf NE with 14 slots. Slots 1 and 2 are reserved for the controller (PXM1E)

front card. Slots 13/14 are reserved for SRME front cards.

2.1.13.4 Subslots

The MGX 8880/8850/8830 slot is divided into subslots or bays. The full-height cards (AXSM, VXSM,

PXM, RPM, and PXM1E) have two subslots; the half-height cards (VISM, MPSM, and SRME) have one

subslot. The subslots contain the back card for the corresponding front card.

2.1.13.5 PTPs

All PTPs are bidirectional for MGX 8880/8850/8830 NEs. PTPs do not support the service state attribute

but do support the layer rate attribute.

2.1.14 MDS 9000

The MDS 9000 is a passive storage NE that does not contain any equipment. CTM reports PTPs for the

MDS 9000 only if a topological link originates from or terminates on the MDS 9000. There are no alarms

reported for the MDS 9000.

2.1.15 Unmanaged NEs

Unmanaged NEs are other vendor MEs in CTM. There is no equipment for these NEs. CTM reports PTPs

for unmanaged NEs only if a topological link originates from or terminates on the unmanaged NE. There

are no alarms reported for unmanaged NEs.