Chapter 19

SONET/SDH

• Synchronous Transport Signals

• Physical Configuration

• The SONET Frame

• Multiplexing STS Frames

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Figure 19-1

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

SONET System

Figure 19-2

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

SONET Layers

Figure 19-3

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Device-Layer Relationship

Figure 19-4

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Data Encapsulation

Figure 19-5

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

STS-1 Frame

Figure 19-6

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

STS-1 Overhead

Figure 19-7

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Section Overhead

Figure 19-8

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Line Overhead

Figure 19-9

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Payload Pointers

Figure 19-10

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Path Overhead

Figure 19-11

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Virtual Tributaries

Figure 19-12

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

VT Types

Figure 19-13

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

STS-n

Figure 19-14

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

STS Multiplexing

Figure 19-15

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

ATM in an STS-3 Envelope