CHAPTER
2-1
Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide
OL-17438-04
2
Overview: Cisco XR 12000 Series Router Shared
Port Adapters
Revised: December 2012, OL-17438-04
This chapter describes the shared port adapters (SPAs) that are supported on the Cisco XR 12000 Series
Router and contains the following sections:
• SPA Summary, page 2-2
• Bandwidth Oversubscription, page 2-3
• 2-Port and 4-Port T3/E3 Serial SPA Overview, page 2-5
• 2-Port and 4-Port Channelized T3 to DS0 SPA Overview, page 2-7
• 8-Port Channelized T1/E1 SPA Overview, page 2-9
• 8 Port FastEthernet SPA Overview, page 2-11
• 1 Port 10-Gigabit Ethernet SPA Overview, page 2-13
• 2-Port Gigabit Ethernet SPA Overview, page 2-17
• 5-Port Gigabit Ethernet SPA Overview, page 2-22
• 10-Port Gigabit Ethernet SPA Overview, page 2-26
• 1-Port Channelized STM-1/OC-3 SPA Overview, page 2-30
• 1-Port Channelized STM-4/OC-12 SPA Overview, page 2-32
• 1-Port OC-192/STM-64 POS SPA Overview, page 2-38
• 1-Port OC-192/STM-64 POS SPA Overview, page 2-38
• 1-Port OC-192 STM-64 POS RPR XFP SPA Overview, page 2-41
• 4-Port OC-3/STM-1 POS SPA Overview, page 2-45
• 8-Port OC-3 STM-1/OC-12 STM-4 POS SPA Overview, page 2-50
• 1-Port OC-12/STM-4 POS SPA Overview, page 2-55
• 1-Port OC-48/STM-16 POS SPA Overview, page 2-58
• 2-Port and 4-Port OC-48/STM-16 POS SPA Overview, page 2-61
• 2-Port OC-48 POS RPR SPA Overview, page 2-65
• Cisco XR12000 IPSec VPN SPA Overview, page 2-67
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