... support:SS7, PRI, Q.SIG, R2, V5.2; 2)Interface Connector:16 E1, 1 10/100M network, 1 ... through E1(T1), with its embedded ARM9 CPU and Linux operation system. NC-AD300D is a cost effective, ... signalling between SS7, ISDN PRI, Q.SIG, V5.2, R2;·Multi router, inter-office management, Intelligent route ... Convert Between SS7, ISDN PRI, V5.2, R2, Q.931;Figure 2 Multi-Router ConnectionFigure 3 Call Back ...