... equipment through E1(T1), with its embedded ARM9 CPU and Linux operation system. NC-AD300D is a cost effective, powerful, reliable ... , FSK inspection and delivery; Function:·Convert any signalling between SS7, ISDN PRI, Q.SIG, V5.2, R2;·Multi router, inter-office ... : Application as follow shows:Figure 1 Signalling Convert Between SS7, ISDN PRI, V5.2, R2, Q.931; Figure 2 Multi-Router ...