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 PA-A6-E3, Cisco PA-A6-E3, 1 Port Enhanced ATM E3 Port Adapter (8k VCs)
The PA-A6 is a series of single-width, single-port, ATM port adapters for the Cisco7200 series routers,
Cisco7200 VXR routers, Cisco7201 router, Cisco7301 router, Cisco 7304 PCI Port Adapter Carrier
Card in the Cisco 7304 router, Cisco7401ASR router, Cisco7500 series routers using VIP4-50 and
VIP4-80, and Cisco7600 series routers with FlexWAN module. With advanced ATM features, the
PA-A6 supports broadband aggregation, WAN aggregation, and campus/MAN aggregation.
The PA-A6 includes three hardware versions that support the OC-3/STM-1 standards-based physical
interfaces, as well as E3 and T3 interface modules:
• OC-3/STM-1:
– Multimode—PA-A6-OC3MM
– Single-mode intermediate reach—PA-A6-E3
– Single-mode long reach—PA-A6-OC3SML
• E3—PA-A6-E3
• T3—PA-A6-T3
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