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CHAPTER

1-1

OC12 Packet Over SONET Line Card Installation and Configuration

OL-3437-01

Overview

This chapter describes the OC12 POS line cards and contains the following sections:

• Line Card Overview, page 1-1

• SONET/SDH Overview, page 1-3

• Features, page 1-4

• Interface Specifications, page 1-4

• OC12 POS Line Card Optical Fiber Specifications, page 1-5

• LEDs, page 1-6

• Cables and Connectors, page 1-8

• Encapsulation Method Support, page 1-9

• Using Statistics to Estimate Link Loss and Power Budget, page 1-9

• Slot Locations on the Cisco 7304 Router, page 1-10

• Identifying Interface Addresses, page 1-10

Line Card Overview

The OC12 POS line cards provide the Cisco 7304 router with single or dual 622.080-Mbps POS

interfaces on a single card. You must use the appropriate optical fiber cables to connect the OC12 POS

line card with an external OC-12 network. (See the “OC12 POS Line Card Optical Fiber Specifications”

section on page 1-5 and the “Cables and Connectors” section on page 1-8 for more information on

optical fiber cables.)

Six models of the OC12 POS line card are available:

• 7300-1OC12POS-MM—Multimode (See Figure 1-1.)

• 7300-1OC12POS-SMI—Single-mode, intermediate reach (See Figure 1-2.)

• 7300-1OC12POS-SML—Single-mode, long reach (See Figure 1-3.)

• 7300-2OC12POS-MM—Multimode (See Figure 1-4.)

• 7300-2OC12POS-SMI—Single-mode, intermediate reach (See Figure 1-5.)

• 7300-2OC12POS-SML—Single-mode, long reach (See Figure 1-6.)

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Cisco 7300-6T3 Spezifikationen Seite 13