... ; 2)Interface Connector:16 E1, 1 10/100M network, 1 RS232 console; Description:NC-AD300D is designed and manufactured by NiceComm ... -AD300D is a cost effective, powerful, reliable and stable signaling converter.Specification:·Signalling support: SS7, PRI, Q.SIG, R2, V5.2 ... ;·Interface Connector: 16 E1(T1), 1 10/100M network, 1 RS232 console;·Link: 16 SS7 links, 16 PRI;·Switching Volume: 2048 ...