2-4
Cisco XR 12000 Series Router SIP and SPA Hardware Installation Guide
OL-17438-04
Chapter 2 Overview: Cisco XR 12000 Series Router Shared Port Adapters
Bandwidth Oversubscription
Table 2-2 SPA Bandwidth Capacity
SPA Per-Port Bandwidth
Number
of Ports Total Bandwidth
2-Port Channelized T3 SPA 44.736 Mbps 2 89.47 Mbps
4-Port Channelized T3 SPA 44.736 Mbps 4 178.94 Mbps
2-Port Clear Channel T3/E3 SPA 44.736 Mbps (T3)
34.368 Mbps (E3)
2 89.47 Mbps (T3)
68.74 Mbps (E3)
4-Port Clear Channel T3/E3 SPA 44.736 Mbps (T3)
34.368 Mbps (E3)
4 178.94 Mbps (T3)
137.47 Mbps (E3)
8-Port Channelized T1/E1 SPA 1.544 Mbps (T1)
2.048 Mbps (E1)
8 12.35 Mbps (T1)
16.38 Mbps (E1)
1-Port 10-Gigabit Ethernet SPA 10 Gbps 1 10 Gbps
5-Port Gigabit Ethernet SPA 1 Gbps 5 5 Gbps
10-Port Gigabit Ethernet SPA 1 Gbps 10 10 Gbps
1-Port Channelized STM-1/OC-3 SPA 155.52 Mbps 1 155.52 Mbps
1-Port Channelized STM-4/OC-12 SPA 622.08 Mbps 1 622.08 Mbps
1-Port Channelized STM-16/OC-48 SPA 2.488 Gbps 1 2.488 Gbps
1-Port OC-192/STM-64 POS SPA 9.953 Gbps 1 9.953 Gbps
4-Port OC-3/STM-1 POS SPA 155.52 Mbps 4 622.08 Mbps
8-Port OC-3 STM-1/OC-12 STM-4 POS SPA 155.52 Mbps or
622.08 Mbps
85 Gbps
1
1. Total bandwidth value assumes eight OC-12/STM-4 optics modules.
1-Port OC-12/STM-4 POS SPA 622.08 Mbps 1 622.08 Mbps
1-Port OC-48/STM-16 POS SPA 2.488 Gbps 1 2.488 Gbps
4-Port OC-48/STM-16 POS/RPR SPA 2.488 Gbps 4 10 Gbps
2-Port OC48-POS/RPR SPA 2.488 Gbps 2 4.976 Gbps
1-Port Clear Channel OC-3 ATM SPA 155.52 Mbps 1 155.52 Mbps
3-Port Clear Channel OC-3 ATM SPA 155.52 Mbps 3 466.56 Mbps
1-Port Clear Channel OC-12 ATM SPA 622.08 Mbps 1 622.08 Mbps
2-Port Channelized T3/E3 ATM CEoP SPA 44.210 Mbps
34.010 Mbps
2 88.42 Mbps
68.02 Mbps
24-Port Channelized T1/E1/J1 ATM CEoP
SPA
1.544 Mbps
2.048 Mbps
24 37.056 Mbps
49.152 Mbps
1-Port Channelized OC-3 ATM CEoP SPA 155.52 Mbps 1 155.52 Mbps
1-Port 10-Gigabit Ethernet DWDM SPA 10 Gbps 1 10 Gbps
1-Port 10-Gigabit Ethernet WAN PHY SPA 10 Gbps 1 10 Gbps
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