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Figure 14-2 Remote Node vs. Remote Control Installations

Figure 14-3 Protocol Issues of Remote Control & Remote Node Links

Figure 14-4 Token Authentication Physical Topology

Figure 14-5 Physical Topology: Alternative Access Points

Figure 14-6 Communications Server Components

Figure 14-7 Communications Servers vs. Remote Node Servers

Figure 14-9 Dialing Out from the LAN

Figure 14-14 Client/Agent/Server Architecture Support Mobile-Aware Applications

Figure 14-15 Mobile Middleware

Figure 14-18 Two- Way Messaging Protocols LSM and TDP

Figure 14-19 Data Transmission over the Circuit-Switched Analog Cellular Network

Figure 14-20 Basic Elements of PCS

Figure 14-21 Maximizing Minimum Bandwidth: TDMA & CDMA

Figure 14-22 Data Transmission over a Digital Cellular Network