User Manual

Definitions

The following terms are used throughout this document.

Item Definition

Bit dribble Extraneous bits delivered at the end of a data transmission. Equivalent to a

“squelch tail” in voice systems.

DCE Data Communications Equipment. This designation defines the direction (input

or output) of the various RS-232C interface signals. Modems are always wired as

DCE. See also DTE.

DTE Data Terminal Equipment. This designation defines the direction (input or out-

put) of the various RS-232C interface signals. Most telemetry and SCADA

equipment, as well as PCs, are wired as DTE. See also DCE.

HDX Half Duplex. A unit which uses separate transmit and receive frequencies, but

which may not transmit and receive simultaneously.

OFLNDIAG Offline Diagnostics software. This software allows local (T-96S only) and re-

mote diagnostics (T-96S and RNET 9600S).

ONDMON Online Diagnostics Monitor software. This software allows online diagnostics

monitoring of T-96S/DL3276 and RNET 9600S.

PLC Programmable Logic Controller. An intelligent device that can make decisions,

gather and report information, and control other devices.

RS-232 Industry–standard interface for low speed data transfer (EIA-RS-232E).

RSS Radio Service Software. This software allows configuration and testing of the

T-96S (T96RSS).

RTS Request To Send. An RS-232C signal used by most SCADA equipment to initi-

ate a data transmission.

RTU Remote Terminal Unit. A SCADA device used to gather information or control

other devices.

SCADA Supervisory Control And Data Acquisition. A general term referring to systems

that gather data and/or perform control operations.

Simplex A unit which uses the same frequency for transmit and receive.

Transparent A transparent unit transmits all data without regard to special characters, etc.

T-96S The

DATARADIO

T-96S Telemetry Radiomodem. The T-Base is made up of 2 or

3 modified T-96S units.

DL-3276 The Johnson Data Telemetry (JDT) version of the T96S.

T-96H Enhence version of the T-96S capable of 19200 b/s in full channel radio and

9600 b/s in half channel radio models.