Labels:text | screenshot | diagram | number | line | parallel | font | plan OCR: ATM BACKBONE WITH EDGE ROUTERS, CENTRALIZED ROUTE SERVER Layer 2 and 3 edge router PC users on shared Ethernet or Token Ring loyer 2 and 3 edge router Workstation user's on dedicated Ethernet ATM to other campus Layer 2 and 3 PC users buildings edge router on shared Ethernet or Token Ring Layer 2 and 3 To WAN X edge router Servers Route server ATM switch FIGURE 3: Edge routers, at the network periphery, handle media interconnection and switching between workgroup LANs and connect them to the AIM backbone.