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ADC RF Worx SignalOn Series User Manual

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ADCP-61-825
Issue 2
December 2004
®
™
RF Worx
SignalOn
Series
Forward Path Amplifier Products
User Manual
1306704 Rev A

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  • Page 1 ADCP-61-825 Issue 2 December 2004 ® ™ RF Worx SignalOn Series Forward Path Amplifier Products User Manual 1306704 Rev A...

  • Page 2: Adcp

    DISCLAIMER OF LIABILITY Contents herein are current as of the date of publication. ADC reserves the right to change the contents without prior notice. In no event shall ADC be liable for any damages resulting from loss of data, loss of use, or loss of profits and ADC further disclaims any and all liability for indirect, incidental, special, consequential or other similar damages.

  • Page 3: Table Of Contents

    Gain Adjustment ............24 Page iii © 2004, ADC Telecommunications, Inc.
  • Page 4 CUSTOMER INFORMATION AND ASSISTANCE........... 30 Page iv © 2004, ADC Telecommunications, Inc.

  • Page 5: About This Manual

    UL 60950, EN 1950, and CSA 22.2 No. 0.7. FCC COMPLIANCE STATEMENT The RF Worx SignalOn Forward Path Amplifier product line has been certified to comply with the requirements for class A computing devices per part 15 of the FCC regulations. Page v © 2004, ADC Telecommunications, Inc.

  • Page 6: Standards

    The acronyms and abbreviations used in this manual are detailed in the following list: American Wire Gauge ANSI American National Standards Institute CATV Cable TV Customer Premise Equipment Customer Interface Federal Communications Commission Ground Make-Before-Break Monitor Network Interface Device Receive Transistor-Transistor Logic Transmit Page vi © 2004, ADC Telecommunications, Inc.

  • Page 7: General

    +24VDC power from the integral power connector located at the top-rear of the amplifier module. A front and rear view of the Forward Path Amplifier is shown in Figure Page 1 © 2004, ADC Telecommunications, Inc.

  • Page 8: Chassis

    3. Optional extender brackets are available for 23-inch rack installation. When the power option is installed the chassis may be connected directly to +24VDC office power. If AC or –48VDC is required, optional power supply modules may be installed in the Page 2 © 2004, ADC Telecommunications, Inc.
  • Page 9 Note: When installing chassis with amplifiers and power supplies, provisions must be made allowing for sufficient airflow. See Section 3.1, Cooling Considerations for installation recommendations. 19861-A Figure 2. 2RU 8-Position Chassis 19701-A Figure 3. 5RU 20-Position Chassis with Door Installed Page 3 © 2004, ADC Telecommunications, Inc.

  • Page 10: Power Supply

    Connections are made via a screw terminal connector on the rear panel. In the case of power supply fan failure, replacement fan kits are available from ADC. One AC/DC or DC/DC power supply can power up to 9 amplifiers. In the 5RU chassis, an option to power eight amplifiers with redundant load-sharing power supplies is available.

  • Page 11: Functional Description

    (50 to 1000 MHz). Figure 6 shows a circuit block diagram for the Forward Path Amplifiers. Recessed push buttons located on the front panel are used to increment or decrement the signal without signal interruptions. Page 5 © 2004, ADC Telecommunications, Inc.

  • Page 12: Power Supplies

    Series chassis. Some of these are: • Chassis should only be installed in restricted access areas (dedicated equipment rooms, equipment closets, cabinets, etc.) in accordance with Articles 110-16, 110-17, and 110-18 of the National Electrical Code, ANSI/NFPA 70. Page 6 © 2004, ADC Telecommunications, Inc.

  • Page 13: Cooling Considerations

    5RU Considerations • ADC does not recommend daisy-chaining 5RU chassis together. • A fully loaded passive chassis may terminate up to two-hundred cables. Consideration should be given to the number of chassis installed in a rack to prevent cable congestion.

  • Page 14: See Figure

    CHASSIS 1 TEN RACK SPACES ONE RACK SPACE CHASSIS 3 CHASSIS 2 ONE RACK SPACE FAN PACK ONE RACK SPACE CHASSIS 4 CHASSIS 3 19255-A Figure 8. Recommended Fully Loaded 5RU Chassis Spacing Page 8 © 2004, ADC Telecommunications, Inc.

  • Page 15: Installation

    4. Install power supply strip/kit following the installation drawing provided. Power strip/kit is affixed to the rear of the chassis. 12-24 x 0.5 IN. SCREWS (4 PLACES) 20060-A Figure 9. Installing 2RU Chassis in Rack Page 9 © 2004, ADC Telecommunications, Inc.

  • Page 16: Connect Chassis Ground

    This procedure establishes a ground connection between the chassis and the frame ground connection. A frame ground termination (#8 screw) is provided on the back of the 2RU chassis, for a frame ground connection. See Figure Page 10 © 2004, ADC Telecommunications, Inc.
  • Page 17 2. To assure proper operation the Frame Ground stud should be connected to a good earth ground through the local grounding system. Page 11 © 2004, ADC Telecommunications, Inc.

  • Page 18: Installing Forward Path Amplifier

    RF Worx SignalOn Series chassis. 1. Make sure the ADC logo (or any other front panel lettering) is readable. Align the power connector at the top of the module with the power connector in the chassis. Slide the plug- in module into its designated location in the chassis.

  • Page 19: Installing Power Supply Modules In 5Ru Chassis

    If routing RF cables to the left, power supplies should be installed in chassis slots (17/18 and 19/20). 2. Make sure the ADC logo (or any other front panel lettering) is readable. Align the power connector at the top of the power supply with the power connector in the chassis. Slide the power supply into its designated location in the chassis.
  • Page 20 RIGHT AND LEFT Figure 15. Power Supply Location 5RU Chassis 3. Secure power supply using the two captive retaining screws. See Figure -48 VDC POWER SUPPLY 19237-A Figure 16. Power Supply Module Installation (5RU Chassis) Page 14 © 2004, ADC Telecommunications, Inc.

  • Page 21: Installing Power Supply Modules In 2Ru Chassis

    2. Make sure the ADC logo (or any other front panel lettering) is readable. Align the power connector at the top of the power supply with the power connector in the chassis. Slide the power supply into its designated location in the chassis.

  • Page 22: Install 5Ru Chassis Door

    Slide designation card into plastic hinges mounted on the back of the door, see Figure Designation card should be visible from the front of the chassis when door is open. Flip designation card over before closing door, cable designations are now visible when door is closed. Page 16 © 2004, ADC Telecommunications, Inc.

  • Page 23: Alarm Connections

    20. When using +24VDC customer supplied power there are no alarm contact points. See Table 1 for alarm terminal defaults. Note: Alarm circuit contacts are in the alarm state when there is no power to the chassis. Page 17 © 2004, ADC Telecommunications, Inc.

  • Page 24: Power Connections

    4.9.2 DC Power Connections Caution: When connecting the equipment to the power sources, check the equipment nameplate rating to avoid overloading circuits which may cause damage to over-current protection devices and supply wiring. Page 18 © 2004, ADC Telecommunications, Inc.
  • Page 25 4.9.2.2 CONNECT +24VDC POWER RF Worx SignalOn Series chassis may be powered by connecting +24VDC directly to the power strip installed on the rear of the chassis. A four position terminal block is provided for connecting the power wires. See...
  • Page 26 6. Terminate other end of power supply wires with the appropriate terminals for the fuse panel. 7. Secure wires to the appropriate power supply terminal location. 8. Install fuses in the fuse holder. 20063-A Figure 21. +24VDC Terminal Block Location (2RU Chassis) Page 20 © 2004, ADC Telecommunications, Inc.

  • Page 27: Cable Management

    If passive RF Worx SignalOn modules are installed with RF Worx SignalOn Forward Path Amplifiers additional cabling considerations must be observed based on the number of passive modules installed and the cabling needs. Page 21 © 2004, ADC Telecommunications, Inc.

  • Page 28: 5Ru 20-Position Chassis Cabling

    OUT the side access slots, then back through another access slot at the same level as the second port. Cabling from one chassis to another should also be routed through the side access slots. 4. Install cable retainer bars on each side of the chassis. Page 22 © 2004, ADC Telecommunications, Inc.

  • Page 29: General Considerations

    Insert and tighten the screws removed earlier. Holes are provided in the cable management bracket for cable ties. See Figure Page 23 © 2004, ADC Telecommunications, Inc.

  • Page 30: Operating Instructions

    Note: Gain and Tilt settings are stored in the amplifier and are not lost if a power failure occurs. Page 24 © 2004, ADC Telecommunications, Inc.

  • Page 31: Tilt Adjustment

    DC OUT FAIL Green Operating properly. No DC power output to the chassis backplane. POWER IN FAIL Green Operating properly. No input power present. 24V TST PT +24VDC measured between + and – jacks. Page 25 © 2004, ADC Telecommunications, Inc.

  • Page 32: Maintenance

    Figure 26. –48 VDC Power Supply 7 MAINTENANCE Maintenance requirements for the ADC RF Worx SignalOn Series amplifiers and chassis covered in this manual are minimal, consisting merely of periodic cleaning. Note: There are no customer serviceable parts in the amplifiers in this system; return all failed amplifiers to ADC for service or repair.
  • Page 33 8. Verify that fan operates properly. Re-tie any cables moved away from rear of the power supply module. For any other repairs, contact ADC field service at the telephone numbers listed in the Section 9, Customer Information and Assistance, of this manual.

  • Page 34: Specifications

    Fuse Size 7.5 Amps (Fully loaded chassis/9 Amplifiers) –48VDC +24VDC Power Source Input Current 7.6 A maximum (Fully loaded chassis/10 Amplifiers) At +24VDC nominal Fuse Size 10 Amps (Fully loaded chassis/10 Amplifiers) +24VDC Page 28 © 2004, ADC Telecommunications, Inc.
  • Page 35 * – Measured with 110 channel loading and optimum RF input level at full gain and no tilt. ** – Specifications are typical worst-case numbers across the given frequency range, unless otherwise noted. All specifications subject to change without notice. Page 29 © 2004, ADC Telecommunications, Inc.

  • Page 36: Customer Information And Assistance

    Contents herein are current as of the date of publication. ADC reserves the right to change the contents without prior notice. In no event shall ADC be liable for any damages resulting from loss of data, loss of use, or loss of profits and ADC further disclaims any and all liability for indirect, incidental, special, consequential or other similar damages.

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