... serviceNetwork+ Guide to Networks, 4e 32SONET (continued)Figure 7- 1 9: SONET connectivityNetwork+ Guide to Networks, 4e 25T-Carrier Connectivity (continued)Figure 7- 1 3: A T-carrier connection ... specificationsNetwork+ Guide to Networks, 4e 20ISDN (continued)Figure 7- 1 1: A Primary Rate Interface (PRI) linkFigure 7- 1 0: A Basic Rate Interface (BRI) linkNetwork+ Guide to Networks, 4e 18X.25 and ... connectionNetwork+ Guide to Networks, 4e 7 WAN Topologies (continued)Figure 7- 2 : A bus topology WANNetwork+ Guide to Networks, 4e 42Remote Connectivity: Dial-up Networking•Dialing directly...