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1000BASE-CX-Full-duplex operation over copper wire.

The IEEE 802.3z specification includes the following three physical layer protocols: The term Ethernet is commonly used for all LANs that generally conform to Ethernet specifications, including Gigabit Ethernet under IEEE 802.3z, which is well suited to applications in which a local communication medium must carry sporadic, occasionally heavy traffic at high peak data rates. This section provides an overview of the IEEE 802.3z specification and Gigabit Ethernet. Note The PA-GE assembly is a field-replaceable unit (FRU). Cisco 7200 VXR and Cisco uBR7246 VXR routers, when deployed as WAN aggregation routers, can be integrated into a Gigabit Ethernet campus backbone using the PA-GE. The PA-GE does not offer wire rate performance on Cisco 7200 VXR or Cisco uBR7246 VXR routers but does offer performance throughput suitable to WAN aggregation applications. Note The PA-GE offers an additional choice of high-speed LAN connection to Cisco 7200 VXR and Cisco uBR7246 VXR routers. The GE interface on a PA-GE operates in full-duplex mode.

The PA-GE (see Figure 1-1) is a single-port port adapter that, when combined with the appropriate optical fiber cable and a Gigabit Interface Converter (GBIC), provides one Gigabit Ethernet (GE) interface that is compliant with the IEEE 802.3z specification.

Identifying Interface Addresses Port Adapter Overview.

This chapter describes the PA-GE port adapter and contains the following sections:

Cisco 7304 PCI Port Adapter Carrier Card Interface Addresses.

Cisco uBR7246VXR Router Interface Addresses.

Cisco 7200 VXR Routers Interface Addresses.

Cisco 7100 Series Routers Interface Addresses.

Cisco 7304 PCI Port Adapter Carrier Card Slot Numbering.

Cisco 7100 Series Routers Slot Numbering.

Port Adapter Locations on the Supported Platforms.

Mode Conditioning Patch Cord with a Multimode GBIC-LX and GBIC-LH.

Additional Power Budget and Attenuation References.

Using Statistics to Estimate the Power Budget.

Single-Mode Power Margin Example with Sufficient Power for Transmission.

Multimode Power Margin Example with Sufficient Power for Transmission.

Gigabit Ethernet Link Distance Limitations.

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