![]() In order to assure high quality communications over links with intermittent or noisy performance, such as Wireless, the IP Protector Option for Redundant Packet Path connections with Constant or Switch Over Criteria.Management interface on LAN port 2 when LAN port 1 is connected to a VPN tunnel.The dual Ethernet interfaces provide for: Tube SER RS232 models ship with dual 10/100BaseT Ethernet LAN ports.The Serial to Packet conversion only occurs when HDLC frames are active.Īll IP In Layer 2 operating mode HDLC Data frames, such as those used by Wide Area Networking protocols PPP and Frame Relay or proprietary Data Links, are transported within IP packets as HDLC over IP. Additionally the latency is controlled by setting the Tube Bytes per packet. The encapsulation supports block mode transfers to minimize the bandwidth required. The size of the Tube bit buffer is configurable to accommodate the peak amount of jitter.Īsynchronous characters from the RS232 interface with 5 to 8 data bits, baud rates from 1.2 to 38.4 kilobits, 1 or 2 stop bits that are with or without parity are efficiently encapsulated into IP packets. A configured number of incoming packets are buffered in order to compensate for the packet delivery jitter introduced by the network. Isochronous serial protocols, such as Conitel, are transported synchronously to maintain message alignment. The size and frequency of the IP packets can be set with data bit rates from 75 bits to 256 kilobits per second. In Layer 1 operating mode every bit is encapsulated into an IP packet. ![]() This facilitates the interconnection of Serial Data over IP between Serial Bulk Encryptors (KIV7/OMNI), Data Terminals, Data Acquisition Systems, WAN Routers and Bridges, SCADA RTUs. ![]() Synchronous, Asynchronous, Isochronous or HDLC serial data is encapsulated into IP packets.
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