Ch06 2

Figure 6-14

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

DB-37 and DB-9 Connectors

RS-423: Unbalanced Mode

Figure 6-15

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

RS-422: Balanced Mode

Figure 6-16

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

Canceling NoiseFigure 6-17

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

DB-15 Connector

Figure 6-18

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

Figure 6-19

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

Modem

Bandwidth for Telephone LineFigure 6-20

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

Baud Rate for Half-Duplex ASK

Figure 6-21

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

Baud Rate for Full-Duplex ASK

Figure 6-22

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

Baud Rate for Half-Duplex FSK

Figure 6-23

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

Baud Rate for Full-Duplex FSK

Figure 6-24

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

Bell Modems

Figure 6-25

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

Bell Modems

Figure 6-25-continued

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

ITU ModemsFigure 6-26

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

ITU ModemsFigure 6-26-continued

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

V.22bis 16-QAM ConstellationFigure 6-27

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

V.32 ConstellationFigure 6-28

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

V.33 ConstellationFigure 6-29

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