Remote Communication Protocol

Remote communications protocol is the means by which a hardware communications device produces information.

Remote communications protocol allows computers to talk to one another over a network or through an Internet server. This protocol allows several channels to simultaneously carry email, presentation data, serial device communication, licensing and encrypted applications.

Networks Supported

In addition to providing more than 64,000 channels for transmission, remote communications protocol is based on the T-120 family of protocol standards. It supports many different network topologies, including ISDN and POTS, in addition to LAN structures such as IPX, NetBIOS and TCP/IP.

Bus Communication

Data transmission occurs in one of two devices --- either serial or CAN (controller area network). Serial transmission occurs when data rates are low or occur over long distances. CAN is a multi-bus standard in which 8 data bytes per frame may be transferred at a rate of up to 1 Mbit per second.

ASCII and RTU Modes

Bytes in remote communications protocol are either sent as ASCII characters or RTU mode. The former breaks down information as bytes that form a hexadecimal number. RTU sends information in a binary format where each character has one start bit, eight data bits, one even, odd or no parity bit, and one or two stop bits.

References

• Microsoft: Understanding the Remote Desktop Protocol
• ABB.com: Remote Communication Protocol for 1MRS 755017
• National Instruments: Exploring Remote Communication Methods

Resources

• Applied Systems Engineering Inc.: SPT-PC RTU/IED SCADA Communication Gateway
• Edaboard.com: Remote Communications