ocr: Figure 1. The Old Way In this configuration, the 56Kbps line connects to the DSU/CSU. The DSUICSU uses a V.35 connection to attach to the adapter in the router. From there, the traffic Is routed from the LEC, through the POP, to the IXC, another POP, to the LEC and finally, to the other site. V.35 cable 56Kbps circuit owned by LocalTelephone Co. (LEC) 4 à - - - - - - - - 56Kops OSU/CSU Server with Long-aistance Newport LAN2LAN/Mega Systems Point-of-Presence: (POP) two-port router card 56Kbps circuit owned by Local-distance Carrier (IXC) 56Kops DSU/CSU V.35 a Point-of-Presence Long-distance (PO ...
