
CHAPTER
1-1
OC12 Packet Over SONET Line Card Installation and Configuration
OL-3437-01
1
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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