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SIP and SPA Compatibility
Shared Port Adapters
General characteristics of a SPA include:
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Figure 1-1
Figure 1-1
Front of SIP
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SIP and SPA Compatibility
Table 1-1
them.
Cisco 10000 Series Router SIP and SPA Hardware Installation Guide
1-2
A SPA is a modular type of port adapter that inserts into a subslot of a compatible SIP carrier card
to provide network connectivity and increased interface port density. A SIP can hold one or more
SPAs, depending on the SIP type and the SPA size.
SPAs are available in the following sizes:
Half-height—Inserts into one SIP subslot.
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Full-height—Inserts into two horizontally aligned SIP subslots. The Cisco 10000 SIP-600
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supports two full-height SPAs, specified as SPA 0 and SPA 1.
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Full-height, double-wide—Occupies four standard, half-height SIP subslots.
shows the slot orientation for the SPAs.
Vertical Chassis Slot Orientation for SPA Subslots
Vertical slot orientation
Each SPA provides a certain number of connectors, or ports, that are the interfaces to one or more
networks. These interfaces can be individually configured using the Cisco IOS command-line
interface (CLI).
To maintain cooling integrity, either a blank filler plate (SPA-BLANK=) or a functional SPA must
reside in each subslot of a SIP during normal operation. Blank filler plates are available in
half-height form only.
SPAs support online insertion and removal (OIR). They can be inserted or removed independently
from the SIP. The SIP also supports OIR with SPAs inserted in their subslots.
shows the SPAs that are supported on the Cisco 10000 series router and the SIPs that support
Chapter 1
SIP and SPA Product Overview
OL-13838-02
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