The Cisco 7606-S chassis accommodates a broad selection of line cards supporting numerous applications, including:
-SPAs and SIPs (Cisco 7600 Series SPA Interface Processor-200 [SIP-200], SIP-400, and SIP-600):
– Channelized T1/E1, Channelized T3, and Channelized OC-3/STM-1.
– OC-3/STM-1, OC-12/STM-4, OC-48/STM-16 Packet over SONET/SDH (PoS), and OC-192/STM-64 PoS.
– OC-3/STM-1 ATM, OC-12/STM-4 ATM, and OC-48/STM-16 ATM.
– Fast Ethernet, Gigabit Ethernet, and 10 Gigabit Ethernet.

-Enhanced FlexWAN module: Supporting Cisco 7200 and 7500 WAN Port Adapters from DS-0 to OC-3 for channelized and ATM interfaces and also Fast Ethernet port adapters.
-High-density Ethernet services modules: 10/100 Mbps, Gigabit Ethernet, and 10-Gigabit Ethernet.
-Services modules: IP Security (IPsec), firewall, distributed denial of service, intrusion detection systems, network analysis, and content switching commonly used, for example, in the Cisco Mobile Exchange solution.
-Supervisor engine support:
– Cisco Route Switch Processor 720 (RSP720-3C-GE and RSP720-3CXL-GE).
– Cisco Route Switch Processor 720-10GE (RSP720-3C-10GE and RSP720-3CXL-10GE).
– Cisco Catalyst 6500 Supervisor Engine 32 (WS-SUP32-GE-3B and WS-SUP32-10GE-3B).
– Cisco Catalyst 6500 Supervisor Engine 720 (WS-SUP720-3B and WS-SUP720-3BXL).
Understanding the need to use rack space efficiently, Cisco designed this router to be a compact 12.25 inches tall (7 rack units [RUs]), with single-side connection management for both interface and power terminations. This setup allows placement of up to six Cisco 7606-S units per standard 7-foot rack.