16E1 fiber multiplexer can multiplex 8E1 signals fiber,Distance up to 120Km,Supporting 1+1 fiber protection,dual fiber or WDM
4E1 fiber multiplexer can multiplex 4E1 signals fiber,Distance up to 120Km,Supporting 1+1 fiber protection,dual fiber or WDM
8E1 fiber multiplexer can multiplex 8E1 signals fiber,Distance up to 120Km,Supporting 1+1 fiber protection,dual fiber or WDM