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Cross Technologies 210-01 CATV Instruction Manual

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INSTRUCTION MANUAL
MODEL 210-01 CATV
RECEIVER
Data, drawings, and other material contained herein are
proprietary to Cross Technologies, Inc., and may not be
reproduced or duplicated in any form without the prior
permission of Cross Technologies, Inc.
When ordering parts from Cross Technologies, Inc., be
sure to include the equipment model number, equipment
serial number, and a description of the part.
First Edition, May 28, 1999
REV B 2/18/00
CROSS TECHNOLOGIES, INC.
6170 SHILOH ROAD
ALPHARETTA, GEORGIA 30005
Phone (770)-886-8005
Toll Free (888)-900-5588
FAX (770)-886-7964
WEB www.crosstechnologies.com
E-MAIL info@crosstechnologies.com

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Summary of Contents for Cross Technologies 210-01 CATV

  • Page 1 INSTRUCTION MANUAL MODEL 210-01 CATV RECEIVER Data, drawings, and other material contained herein are proprietary to Cross Technologies, Inc., and may not be reproduced or duplicated in any form without the prior permission of Cross Technologies, Inc. When ordering parts from Cross Technologies, Inc., be sure to include the equipment model number, equipment serial number, and a description of the part.
  • Page 2 210-01 manual Rev B Page 2 2/18/00...

  • Page 3: Table Of Contents

    INSTRUCTION MANUAL MODEL 210-01 CATV DEMODULATOR TABLE OF CONTENTS PAGE W a r r a n t y ..........3 1 .

  • Page 4: G E N E R A L

    MODEL 210-01 CATV AUDIO/DATA DEMODULATOR SECTION 1 GENERAL 1.1 Equipment Description - The Series 210-01 operates with standard CATV cable systems to provide a paging system by receiving the paging audio signal and a data control signal which determines if the paging message is intended for the location it is programmed for.

  • Page 5: Technical Characteristics

    1.2 Technical Characteristics TABLE 1.0 210-01 CATV AUDIO/DATA DEMODULATOR * Input Characteristics 75 Ω /12 db Input Impedance/RL Frequency Range 55 to 200 MHz (factory set, 177MHz for -01) Input Level -70 TO -30 dBm RF Channel Characteristics Bandwidth 300 kHz total...

  • Page 6: Installation

    2.0 Installation 2.1 Mechanical - The 210-01 is packaged in an aluminum extrusion. The -R option is mounted on a 1 3/4” X 19” panel that can be mounted to a rack using the 4 holes at the ends. It derives +DC from the wall power supply (+12V unregulated).

  • Page 7: Controls And Indicators

    2.2 Controls and Indicators - See Figure 2.2 . 2.3 Input / Output Signals - See Figure 2.3. 210 AUDIO/DATA RECEIVER ROSS ECHNOLOGIES, INC. DS3 - DC Power LED - Lights green when DC power is present ADDRESS DATA CARRIER S1, S2 - Address Select DS2 - Data - DS1 - Carrier -...

  • Page 8: Installation / Operation

    2.4 Installation / Operation - 2.4.1 Installing and Operating the 210-01(Figures 2.1 to 2.3) - 1.) Place the 210-01 where desired. (Attach four rubber feet if desired.) 2.) For the -R rack mount option mount the 1 3/4” panel to a rack using the four end screws on the rack panel.

  • Page 9: Rf Frequency Changes (Replace U10)

    Note, the packet need not be addressed to the particular decoder. 01-96 Address assignment for 210-01, address 01 96 respectively Undefined Audio page forced OFF (switched to external audio ) Audio page forced ON (switched to paging audio ) The microprocessor reads the front panel switches every 1 second , and stores the address or applies the special function described above.

  • Page 10: Circuit Description

    3.0 Circuit Description EXT AUDIO IN CHANNEL CONVERTER AUDIO AUDIO AUDIO DEMOD SWITCH 55 - 300 Q1 -4 U1,3,5,9 MHZ CATV SELECT INPUT SWITCHES DATA DEMOD CODER S1 S2 U3,4,7 FIGURE 3.1 210-01 Block Diagram 3.1 Block Diagram Description - 210-01 (Figure 3.1) - The 50 to 300 MHz input (J1) signal first goes to the CATV tuner A1 which converts the desired input frequency to a 45 MHz IF.

  • Page 11: Command Code Description

    3.2 Command Code Description - The 210-01 demodulates a multiplexed audio channel and data channel. The audio channel delivers a voice paging. The data channel provides addressable control information. The 210-01 utilizes a Microchip 16C63 processor to receive and process control data, and to control the audio switch. 3.2.1 Command Stream - The command stream is provided as an Asynchronous RS232 data channel, running at 9600 baud, with NO parity, 8 bits/character, and 1 stop bit.

  • Page 12: T U N E R L O A

    3.2.3 Tuner Load - The microprocessor programs the tuner, A1. The microprocessor refreshes the tuner approximately every 30 seconds. CROSS TECHNOLOGIES, INC. 6170 SHILOH ROAD ALPHARETTA, GEORGIA 30005 Phone (770)-886-8005 Toll Free (888)-900-5588 FAX (770)-886-7964 WEB www.crosstechnologies.com E-MAIL info@crosstechnologies.com 210-01 manual Rev B Page 12 2/18/00...

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