Midplane Architecture - Cisco ASR 5000 Installation Manual

Midplane Architecture

• Mid-mount: In this configuration, the flanges of the mounting brackets are recessed from the front of
The equipment rack or cabinet hardware must not hinder air flow at any of the intake or exhaust vents.
Caution
The ambient environment (conditioned space) must allow the system to function within its specified
operating limits.
Midplane Architecture
The midplane separates the front and rear chassis slots. The connectors on the midplane provide intra-chassis
communications, power connections, and data transport paths between the various installed cards.
The midplane also contains two independent -48 VDC busses (not shown) that distribute redundant power to
each card within the chassis.
Figure 4: Midplane/Switch Fabric Architecture
Table 4: Midplane and Bus Descriptions
Item
1
2
3
4
ASR 5000 Installation Guide
8
the chassis. This method is typically used with 2-post racks. You must remove and re-install the mounting
brackets in the middle of the chassis on both sides.
Description
Slot number 1 (left-most application card slot)
Chassis midplane: provides intra-chassis communications and data transport paths between the
various installed cards
SPIO cross-connect bus
Chassis slot number 16: right-most application card slot
ASR 5000 Hardware Platform Overview