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Dataradio T-96H Technical Manual

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The entire contents of this manual and the Radio Service Software
described in this manual are copyright 1998 by
Copyright
Inc.
DATARADIO
August 1998
part no.: 120 10504-001
T-96H
Radio Modem
Technical Manual
version 0.01
PRELIMINARY
Inc.
DATARADIO

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Summary of Contents for Dataradio T-96H

  • Page 1 T-96H Radio Modem Technical Manual version 0.01 PRELIMINARY The entire contents of this manual and the Radio Service Software described in this manual are copyright 1998 by Inc. DATARADIO Copyright Inc. DATARADIO August 1998 part no.: 120 10504-001...

  • Page 2: Table Of Contents

    1.11.1 Basic Network ............................. 4 1.11.2 Network Using T-Base ........................5 1.11.3 Network Using T-Base Repeater......................5 1.11.4 Network Using T-96H for Online Diagnostics..................6 FEATURES AND OPERATION ........................7 1.1 O ................................ 7 VERVIEW 2.1 I ............................7 NTENDED UDIENCE 2.2 F...
  • Page 3 4.2 TRANSMIT DATA ............................14 4.3 RECEIVE DATA............................15 4.4 SYNTHESIZER PROGRAMMING......................15 4.5 POWER SUPPLIES ............................15 4.6 MISCELLANEOUS FUNCTIONS ....................... 15 SPECIFICATIONS ............................17 INDEX..................................19 1 - B ............................4 IGURE ASIC ETWORK 2 - N ..........................5 IGURE ETWORK SING...
  • Page 4 What's New in Version 0.01 • First version of the T-96H technical manual based on the latest T- 96S technical manual ver 2.01. History Version 0.01: • Preliminary version.
  • Page 5 T-96S Telemetry Radiomodem. The T-Base is made up of 2 or DATARADIO 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.

  • Page 6: Product Overview

    1. PRODUCT OVERVIEW Physical Description This document provides the information required for the selection, installation, op- The T-96H consists of a logic PCB (which eration and maintenance of the DATARADIO includes the modem circuitry) and a sepa- T-96H radiomodem. rate radio module. The two boards plug di-...

  • Page 7: Catalog Numbers

    Customer Service Department Catalog Numbers 299 Johnson Avenue, P.O. Box 1733 A T-96H may be identified from its catalog Waseca, MN 56093-0833 number. Technical support hours: Monday to Friday 9:00 AM to 5:00 PM, Central Time,. CATALOG NUMBERS Format is TH[radio][band][channel spacing]0...

  • Page 8: Diagnostics And Remote Commands

    T96H Online biguity in Online Diagnostics reports. Diagnostics Monitor program (ONDMON). The T-96H has the following diagnostic and Either the T96HRSS or OFLNDIAG may be command features: used to check the value of the Short ID.

  • Page 9: Offline Diagnostics

    (T96S models only) 1.11 Network Configuration The T-96H is designed to replace wire lines in SCADA, telemetry and control applications. The RS-232 serial port allows direct connection to PLCs (Programmable Logic Controllers) or RTUs (Remote Terminal Units). Several network configurations are described in the sections that fol- low.

  • Page 10: Network Using T-Base

    Figure 3 - Using a T-Base Repeater This configuration has the following characteristics: • • Master station and all remotes must be The RTS/CTS delays for each T-96H in half duplex. the system must be extended as shown in section 2.5.1 •...

  • Page 11: Network Using T-96H For Online Diagnostics

    1.11.4 Network Using T-96H for Online Diagnostics T96H PC for online diagnostics T96H T96H Master T96H Figure 4 - Network with Monitoring Site This configuration has the following characteristics: • Master station may be half duplex or Online diagnostics are accumulated in the simplex.

  • Page 12: Features And Operation

    D A T A T E L E M E T R Y TX Data CS 2 Test RSSI 2.2.1 LED Indicators Audio The T-96H has three LED indicators as B+ Power B+ Power shown described: Figure 5 - Data I/O Connector Pinout Indicates Description...

  • Page 13: Interface Port

    DATARADIO DTE. DCD. Data Carrier Detect. Asserted by Important Note: The T96H RSS kit, used the T-96H when a data signal is being to configure the T-96H, includes a special received. setup cable, p/n 730 03266-001. Do not use this cable to connect a user application.

  • Page 14: Channel Selection

    1. The DTE starts a data transfer by as- after the last stop bit of the last charac- serting RTS. CTS is returned after the ter has been given to the T-96H. CTS transmitter has been keyed and a modem will be dropped when the last character synchronization preamble sent.

  • Page 15: Rts/Cts Timing

    3. In the idle mode, i.e. no transmission or 2.5.1 RTS/CTS Timing reception, RX Data will be held in the The T-96H asserts CTS after RTS has been idle (i.e. “marking”) condition. asserted and a sufficient time has elapsed to 4.

  • Page 16: Adjustments And Maintenance

    50 ohm cable. • A 486 PC (or better) to run the T96HRSS. 2. Connect the T-96H to a suitable power sup- • ply and adjust the supply voltage to 13.3 Normal radio shop tools. volts.
  • Page 17 Table 5: Tests and Adjustments full channel units (25 KHz & 30 Khz models) STEP ACTION EXPECTED MEASURE IF NOT? RESULTS at WITH 25° ° ° ° C Output Power 5 watts Service monitor Check T96HRSS maximum set to read power output setting: must +10%, -20% Press PTT Channel x...
  • Page 18 Table 6: Tests and Adjustments half channel units (12.5 kHz & 15 Khz models) STEP ACTION EXPECTED MEASURE IF NOT? RESULTS at WITH 25° ° ° ° C 5 watts Service monitor Check T96RSS maximum Output Power set to read power output setting: must +10%, -20% Press PTT Channel x...

  • Page 19: Opening The Unit

    3.4.4 Opening the Unit 4. Loader/Modem Board Circuit Description 1. Remove the two retaining nuts from the data I/O connector, and the nut and GENERAL washer from the antenna connector. The Loader/Modem board, Part No. 03280-xxx, is a plug-in circuit board. 2.

  • Page 20: Receive Data

    (U12), operates in DRCMSK mode at verter U2, the filter cut-off frequency, 4800, 9600 and 19200 bits/sec. It incor- the serial port handshake lines, and the porates a 7-bit hardware scrambler and LED indicators via Q1-3. uses Differential (NRZI) encoding in Three channel select inputs, ESD pro- DRCMSK mode to minimize data pat- tected by D1,2,3, in parallel with the on-...
  • Page 21 E-Pot RADIO MODULE Slicer Level Controlled CPLD by CPU' TX_EN RESET Modem Line E-Pot Logic U7C,D,B Gates W.DOG U10B DIGITAL MODEM SIO 2 DE15 U10D U10C RSSI DRIVER SIO 1 RCVR RS232 CONTROL BUS SYNTHESIZER DIAGNOSTICS TEMPERATURE LEDS U13, 5.0V VOLTAGES TX SUPPLY U14,F1...

  • Page 22: Specifications

    5. Specifications GENERAL 900 MHz Frequency 132 - 174 MHz 403 - 512 MHz 928 - 960 MHz Channel spacing 15 or 30 kHz 12.5 or 25 kHz 12.5 or 25 kHz Operating temperature -30°C to +60°C Supply voltage 10 - 16 VDC (applied through the interface connector) RX Current at 13.3 VDC 120 mA 125 mA...
  • Page 23 MODEM OPERATION Interface EIA RS-232C Operation Simplex/half duplex Data rates 4800 b/s 9600 b/s 19200 b/s Modulation type DRCMSK DRCMSK DRCMSK RTS/CTS delay 30 ms (Online diagnostics OFF) Bit error rate better than 1 x 10 at 1.0 µV at 9600 b/s Protocol Transparent to the user DISPLAY and CONTROLS...

  • Page 24: Index

    INDEX addressing half channel units adjustments equipment required location of controls ID number maintenance intervals LED indicators bit dribble networks channel selection commands compatibility operation configuration performance verification diagnostics offline online 3, 6 RS-232 signal description RS-232 signal levels RTS/CTS timing extended delay extended turnoff specifications...

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