1)Interface Connector:8 E1(T1), 1 10/100M network, 1 RS232 console; 2)Convert any signalling between SS7, ISDN ... .SIG,R2, V5.2;·Interface Connector: 8E1,1 10/100M network, 1 RS232 console;·Link: 8 SS7 links, 8 PRI;·Switching ... , 256 meeting channels, 256 DTMF channels, FSK inspection and delivery;Function:·Convert any signalling between SS7, ISDN PRI, Q.SIG,V5 ...