1.TCP, UDP network protocol; 2. Serial port-RJ45 converter 3. Suit for LAN, VPN etc 4 ... VPN etc. Intranet data transmintion; Support point-to-point , Point–to–Multipoint, Multipoint-to-Multipoint Communication Mode; Through internal communication portocol, ... tool Reliable, flexible, easy to use and management3. Specifications Interface 10M/100M Ethernet interface Serial data interface • Type: TTL ...