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CHAPTER
2-1
Cisco CRS-1 Carrier Routing System SIP and SPA Hardware Installation Guide
OL-7113-05
2
Overview: Cisco CRS-1 SPA Interface Processor
This chapter describes the SPA interface processor (SIP) that is supported on the Cisco CRS-1 router and
contains the following sections:
• SIP Summary, page 2-1
• Cisco CRS-1 SIP-800 Overview, page 2-1
• Identifying Slots and Subslots for SIPs and SPAs, page 2-3
SIP Summary
A SIP is a type of PLIM that provides data interfaces for the routing system through the installed shared
port adapters (SPAs). The SIP mates with its associated modular services card (MSC) through the chassis
midplane. Each available SPA provides different interface types and port densities, as described in
Chapter 3, “Overview: Cisco CRS-1 Shared Port Adapters.”
Table 2-1 shows a summary description of the SIP that is supported on the Cisco CRS-1 router.
Note The Description column indicates the aggregate bandwidth supported by the SIP across all subslots—not
for each SPA subslot.
Cisco CRS-1 SIP-800 Overview
The following sections describe the Cisco CRS-1 SIP-800:
• LEDs, page 2-2
• Physical Specifications, page 2-2
Ta b l e 2-1 SIP Summary
SIP Product Number Description
Maximum
Number of SPAs
Minimum Cisco
IOS
XR Software
Minimum
Hardware
Revision
Cisco CRS-1 SIP-800 CRS1-SIP-800 40-gigabit SPA interface
processor
6 single-height Release 3.2 1.0