The Cisco® 7304 2-Port OC-3/STM-1 ATM Line Card (Figure 1) is a versatile, high-performance line card that is well suited for a variety of applications. These applications include high-speed WAN uplinks in customer premises equipment (CPE) deployments, high-speed enterprise backbones, and high-speed uplinks for deploying the Cisco 7304 Router as a medium-density, medium-speed, edge-aggregation router in Tier 2 and 3 service provider points of presence (POPs).
Developed for customers that need a combination of performance and deployment flexibility, the Cisco 7304 Router meets current and future requirements for a midrange router. The Cisco 7304 Router delivers high-performance forwarding and hardware-accelerated services in a compact four-rack-unit (4-RU), four-interface slot form factor.
Cisco 7304 2-Port OC-3 ATM Line Card
Powerful and flexible, the Cisco 7304 Router provides multiprotocol support, interface granularity, and high-availability features in a platform that is ideal for deployment in various applications such as high-end enterprise routing, medium-speed and medium-density leased-line aggregation in service provider Tier 2 and 3 POPs, and service provider-managed CPE deployments. Providing WAN connectivity at speeds ranging from DS3 through OC-48/STM-16, and LAN connectivity at speeds up to Gigabit Ethernet (using two 1000 Ethernet ports built into the Cisco NSE-100 route processor), the Cisco 7304 Router supports a wide range of concurrently running applications and lives up to the high standards of the Cisco 7000 Series of midrange routers.
Table 1 lists the features and benefits of the Cisco 7304 2-Port OC-3 ATM Line Card.
Table 1. Features and Benefits
Two ports of OC-3 ATM per line card
Enables connectivity options for both enterprise and service provider customers
Up to 155.52 Mbps per port
Provides high-performance routing and connectivity
Online Insertion and Removal (OIR)
Allows for insertion of the card without rebooting the router
Multiprotocol Encapsulation over ATM Adaptation Layer (AAL)5 and classical IP over ATM
Allows flexibility to choose the protocol that best suits customers' needs
2048 virtual circuits per port
Offers high scalability to meet the needs of service providers
• Full-duplex ATM interface
• Unspecified bit rate (UBR) and non-real-time variable bit rate (VBR-nrt) service classes
Table 6 provides ordering information for the Cisco 7304 2-Port OC-3 ATM Line Card.
Table 6. Ordering Information
2-port OC-3 ATM line card for Cisco 7304 Router, MM
2-port OC-3 ATM line card for Cisco 7304 Router, MM, spare
2-port OC-3 ATM line card for Cisco 7304 Router, SM-IR
2-port OC-3 ATM line card for Cisco 7304 Router, SM-IR, spare
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