Oc-48 Tdm Bus - Cisco ASR 5000 series Product Overview

ASR 5000 Hardware Platform Overview

OC-48 TDM Bus

The system also hosts a dual OC-48 TDM bus consisting of 128 independent TDM paths each consisting of 512 DS0
channels. This bus supports voice services on the system. Higher speed TDM traffic requirements are addressed using
the system's data fabric.
SPIO Cross-Connect Bus
To provide redundancy between Switch Processor I/O (SPIO) cards, the system possesses a physical interconnect
between the ports on the SPIOs. This cross-connect allows management traffic or alarm outputs to be migrated from an
active SPIO experiencing a failure to the redundant SPIO.
While it is recommended that an SPIO is installed directly behind its corresponding SMC, this bus allows either SMC to
utilize either SPIO.
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