C H A P T E R
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Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide
OL-17438-04
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Overview: Cisco XR 12000 Series Router Shared
Port Adapters
This chapter describes the shared port adapters (SPAs) that are supported on the Cisco XR 12000 Series
Router and contains the following sections:
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Bandwidth Oversubscription, page 2-3
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2-Port and 4-Port T3/E3 Serial SPA Overview, page 2-5
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2-Port and 4-Port Channelized T3 to DS0 SPA Overview, page 2-6
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8-Port Channelized T1/E1 SPA Overview, page 2-8
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8 Port FastEthernet SPA Overview, page 2-10
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1 Port 10-Gigabit Ethernet SPA Overview, page 2-13
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2-Port Gigabit Ethernet SPA Overview, page 2-16
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5-Port Gigabit Ethernet SPA Overview, page 2-21
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10-Port Gigabit Ethernet SPA Overview, page 2-25
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1-Port Channelized STM-1/OC-3 SPA Overview, page 2-29
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1-Port Channelized STM-4/OC-12 SPA Overview, page 2-31
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1-Port OC-192/STM-64 POS SPA Overview, page 2-37
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1-Port OC-192/STM-64 POS SPA Overview, page 2-37
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1-Port OC-192 STM-64 POS RPR XFP SPA Overview, page 2-40
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4-Port OC-3/STM-1 POS SPA Overview, page 2-44
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8-Port OC-3 STM-1/OC-12 STM-4 POS SPA Overview, page 2-49
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1-Port OC-12/STM-4 POS SPA Overview, page 2-54
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1-Port OC-48/STM-16 POS SPA Overview, page 2-57
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2-Port and 4-Port OC-48/STM-16 POS SPA Overview, page 2-60
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2-Port OC-48 POS RPR SPA Overview, page 2-64
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Cisco XR12000 IPSec VPN SPA Overview, page 2-66
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1-Port and 3-Port Clear Channel OC-3 ATM SPA Overview, page 2-68
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1-Port Clear Channel OC-12 ATM SPA Overview, page 2-70
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