Cisco CRS-1 - Carrier Routing System Router

CHAPTER
3-1
Cisco CRS-1 Carrier Routing System SIP and SPA Hardware Installation Guide
OL-17439-01
3
Overview: Cisco CRS-1 Shared Port Adapters
This chapter describes the shared port adapters (SPAs) that are supported on the Cisco CRS-1 router and
contains the following sections:
• SPA Summary, page 3-1
• Bandwidth Oversubscription, page 3-2
• 1-Port and 3-Port Clear Channel OC-3 ATM SPA Overview, page 3-4
• 1-Port Clear Channel OC-12 ATM SPA Overview, page 3-7
• 4-Port OC-3c/STM-1 POS SPA Overview, page 3-10
• 8-Port OC-12c/STM-4 Multirate POS SPA Overview, page 3-14
• 2-Port and 4-Port OC-48c/STM-16 POS/RPR SPA Overview, page 3-19
• 1-Port OC-192c/STM-64 POS/RPR XFP SPA Overview, page 3-22
• 1-Port OC-192c/STM-64 POS/RPR VSR Optics SPA Overview, page 3-26
• 5-Port Gigabit Ethernet SPA Overview, page 3-28
• 8-Port Gigabit Ethernet SPA Overview, page 3-32
• 10-Port Gigabit Ethernet SPA Overview, page 3-36
• 1-Port 10-Gigabit Ethernet SPA Overview, page 3-39
• 2-Port and 4-Port Clear Channel T3/E3 SPA Overview, page 3-43
SPA Summary
Table 3-1 shows summary descriptions of the SPAs that are supported on the Cisco CRS-1 router.
Ta b l e 3-1 SPA Summary
SPA SPA Part Number
Number
of Ports
Minimum Cisco
IOS XR Software
Minimum
H
ardware
Revision
1-Port Clear Channel OC-3 ATM SPA SPA-1XOC3-ATM-V2 1 Release 3.8.0 1.0
3-Port Clear Channel OC-3 ATM SPA SPA-3XOC3-ATM-V2 3 Release 3.7.0 1.0
1-Port Clear Channel OC-12 ATM SPA SPA-1XOC12-ATM-V2 1 Release 3.7.0 1.0
4-Port OC-3c/STM-1 POS SPA SPA-4XOC3-POS 4 Release 3.2 1.0