Fast Ethernet Port Adapters
The Cisco Fast Ethernet family of Port Adapters for Cisco 7200 and 7500 routers provide one and two port connectivity optimized for the specific requirements of campus and enterprise backbones, data centers and Token-Ring ISL network topologies.

Mix-Enabled T1/E1 Port Adapter
The MIX-Enabled T1/E1 Port Adapter family offers single-width port adapters that incorporate two, four and eight ports configurable for either T1 or E1 connection that can be configured as voice, data, or both, depending on the application requirements.

Channel Port Adapter
The Cisco family of channel port adapters allow connection of the Cisco 7200 and 7500 routers to IBM or IBM-compatible mainframes.

Dynamic Packet Transport
Dynamic Packet Transport (DPT) is a technology that offers the reliability and restorability typically associated with SONET/SDH transport without adding unnecessary overhead to IP traffic.

Enhanced Digital Voice Port Adapter
The enhanced digital voice port adapter family for the Cisco 7000 series routers provides large scale voice termination to private branch exchanges (PBXs) and the Public Switched Telephone Network (PSTN).

ATM Port Adapter
The ATM Port Adapters for Cisco 7200 and 7500 routers provide high-bandwidth, high-performance, and standards-based ATM connectivity for a wide range of Enterprise LAN/MAN, Enterprise WAN and Service Provider applications.

Compression Service Adapter
The Cisco Systems Compression Service Adapter (CSA) performs hardware-assisted high performance compression for Cisco Internetwork Operating System (Cisco IOSŪ) compression services.

Encryption Service Adapter
The ESA performs high performance hardware-assisted encryption for Cisco 7500 and Cisco 7200 Series routers.

Gigabit Ethernet Port Adapter
The Gigabit Ethernet port adapter offers an additional choice of high-speed LAN connection to the Cisco 7200VXR.

HSSI Adapter
Cisco Systems' High-Speed Serial Interface (HSSI) port adapters enables network administrators to leverage their investments in Cisco 7500, 7200, and Route Switch Processor (RSP) 7000 routers.

Cisco Integrated Service Adapter
The ISA/M provides high performance, hardware assisted tunneling and encryption services suitable for high-capacity VPN applications for the Cisco 7100 and 7200 series routers.

ISDN Port Adapter
The ISDN port adapters for the Cisco 7200 and 7500 Series routers provide network administrators with flexible solutions that encompass a broad range of organizational networking needs.

Multichannel Port Adapter
Cisco Systems' new family of multichannel port adapters heralds a new era for cost-effective and flexible WAN connectivity.

Packet over SONET Port Adapters
The Packet over Synchronous Optical Network (SONET)/Synchronous Digital Hierarchy (SDH) Port Adapter is a single port, single-wide OC3c/STM1 POS Port Adapter (POS PA).

Serial Port Adapters
Cisco Systems' four- and eight-port serial port adapters provide network administrators with flexible options for a broad range of port density requirements.

Token Ring Port Adapters
Cisco Systems Token Ring port adapter for Cisco 7200 and 7500 series routers provides flexible WAN connectivity to Token Ring based LAN infrastructures with half/full duplex connectivity and speeds of 4/16 Mbps.