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ADC Digivance User Manual

Indoor coverage splution single board remote interface unit (800 or 1900 mhz)
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Download this manual See also: Operation & Installation Manual
ADCP-75-114
Issue 2C
January 2002
™
Digivance
Indoor Coverage Solution
Single Band Remote Interface Unit
(800 or 1900 MHz) User Manual
DRAFT
1188201 Rev A

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Summary of Contents for ADC Digivance

  • Page 1 ADCP-75-114 Issue 2C January 2002 ™ Digivance Indoor Coverage Solution Single Band Remote Interface Unit (800 or 1900 MHz) User Manual DRAFT 1188201 Rev A...
  • Page 2 ADCP-75-114 Issue 2C January 2002 ™ Digivance Indoor Coverage Solution Single Band Remote Interface Unit (800 and 1900 MHz) User Manual 1188201 Rev A...
  • Page 3 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 4: Table Of Contents

    Turn-Up Unit and Verify Operation............16 Forward Path Level Adjustment .............17 Reverse Path Level Adjustment .............18 MAINTENANCE ..............20 Tools and Materials .............20 Fault Detection and Alarm Reporting ..........20 Fan Replacement...............21 CUSTOMER INFORMATION AND ASSISTANCE ..........24 Page iii  2002, ADC Telecommunications, Inc.
  • Page 5 ADCP-75-114 • Issue 2C • January 2002 • Preface This page intentionally blank Page iv  2002, ADC Telecommunications, Inc.

  • Page 6: About This Manual

    This publication provides a description of the Digivance ICS Remote Interface Unit (RIU) plus instructions for installing the RIU. An overview of the Digivance ICS and a complete description of the Digital Host Unit (DHU), Digital Remote Unit (DRU) and the Digital Expansion Unit (DEU) are provided in the Digivance ICS System Installation and Operation Manual (See Related Publications section).

  • Page 7: General Safety Precautions

    Electrostatic Discharge Federal Communications Commission Industry Canada Indoor Coverage Solution Local Interface Unit Network Operations Center Remote Interface Unit Radio Frequency Underwriters Laboratories Volts Volts Alternating Current Volts Direct Current WECO Western Electric Company Page vi  2002, ADC Telecommunications, Inc.

  • Page 8: Description

    1.1 Primary Functions and Components The RIU, shown in Figure 1, serves as the interfacing unit between a remote BTS and the Digivance DHU. The RIU provides the following basic functions: • RF interface to the BTS (through donor antenna) and DHU •...

  • Page 9: Mounting

    RIU to a flat vertical surface. The RIU should be oriented with the front panel facing upward when wall-mounted. The fasteners must be provided by the installer in wall-mount applications. Page 2 © 2002, ADC Telecommunications, Inc.

  • Page 10: Fault Detection And Alarm Reporting

    RIU for air intake and exhaust. An alarm is provided that indicates if a high temperature condition (>58º C/136º F) occurs. The fan may be field-replaced if it fails. Page 3 © 2002, ADC Telecommunications, Inc.

  • Page 11: User Interface

    Section 3 for a detailed description) MINOR MAJOR Screw-type terminal Used for connecting the RIU to an external connector (14–26 alarm system. Includes normally open (NO), AWG) normally closed (NC), and common (COM) wiring connections. Page 4 © 2002, ADC Telecommunications, Inc.

  • Page 12: Specifications

    –20 dBm composite maximum to With proper input signal and Digivance ICS input attenuation setting Input level –29 dBm composite maximum To drive Digivance ICS DHU VSWR 1.5:1 or better, both ports RF Reverse Path 800 MHz unit 824 to 849 MHz...

  • Page 13: Installation

    2 INSTALLATION This section provides the installation procedures for the RIU. Installation of the various Digivance ICS units may proceed separately from the installation of the RIU. 2.1 Tools and Materials The following tools are required in order to complete the procedures in this section: •...

  • Page 14: Unpacking And Inspection

    1. Open the shipping carton and carefully unpack the RIU from the protective packing material. 2. Check the RIU for broken or missing parts. If there are any damages, contact ADC (see Section 5 at the end of this manual) for an RMA (Return Material Authorization) and to reorder if replacement is required.
  • Page 15 Note: Provide a minimum of 3 inches (76 mm) of clearance space on both the left and right sides of the RIU for air intake and exhaust. 16483-B Figure 5. RIU Rack Mount Installation Page 8 © 2002, ADC Telecommunications, Inc.
  • Page 16 Figure 7. Note: Provide a minimum of 3 inches (76 mm) of clearance space on both the left and right sides of the RIU for air intake and exhaust. Page 9 © 2002, ADC Telecommunications, Inc.
  • Page 17 10. Hang the RIU from the fasteners installed in step 9 or position the RIU for installation if using only the mounting brackets. 11. Install and securely tighten all fasteners. BACKER BOARD SUCH AS 3/4-INCH PLYWOOD 16486-B Figure 7. RIU Wall-Mount Installation Page 10 © 2002, ADC Telecommunications, Inc.

  • Page 18: Chassis Ground Connection

    The RF signal connection between the RIU and the donor antenna is supported through a single type N female connector. The single connector is used for connecting the coaxial jumper cable that links the RIU to the donor antenna. Page 11 © 2002, ADC Telecommunications, Inc.
  • Page 19 Note: The procedures for routing the reverse and forward path coaxial cables from the DHU to the RIU and for connecting the cables to the DHU are covered in the Digivance ICS System Installation and Operation Manual (See Related Publications section) which is provided with the DHU.

  • Page 20: External Alarm System Connections

    A category 3 or 5 cable is typically used to connect the RIU to the external alarm system. Use the following procedure to install the alarm wiring and connect it to the RIU: Page 13 © 2002, ADC Telecommunications, Inc.
  • Page 21 (whichever is required by the external alarm system) on the RIU alarm terminal connector as shown in Figure 11. 6. Connect the Major and Minor alarm wire pairs to the appropriate terminals on the external alarm system. 7. Dress and secure cable. Page 14 © 2002, ADC Telecommunications, Inc.

  • Page 22: Ac Power Connection

    5. Dress and secure cable. 6. When the RIU installation is complete, refer to Section 3 of this manual for the unit turn- up and test procedures. Page 15 © 2002, ADC Telecommunications, Inc.

  • Page 23: Operation

    4. Verify that the RIU is connected to the appropriate AC outlet. 5. Place the ON/OFF switch on the RIU in the ON position (press I). 6. Verify that the ALARM LED on the RIU turns green. Page 16 © 2002, ADC Telecommunications, Inc.

  • Page 24: Forward Path Level Adjustment

    –20 dBm signal at the DHU. The RIU provides a forward path signal adjustment range of from +9 dB to +40 dB. Refer to Figure 14 for a description of how the rotary switches work and to Table 4 for the adjustment settings. Page 17 © 2002, ADC Telecommunications, Inc.

  • Page 25: Reverse Path Level Adjustment

    DRU path loss per the system design. Typically, the design objective is for the Digivance system to provide a unity gain. Use the following procedure to adjust the RIU to provide the required reverse path signal level at the antenna: 1.
  • Page 26 ADCP-75-114 • Issue 2C • January 2002 Table 4. RIU Rotary Switch Adjustment Settings REVERSE GAIN SETTINGS FORWARD GAIN SETTINGS 800 MHZ 1900 800/1900 GAIN SETTING SETTING MHZ GAIN SETTING SETTING (+dB) GAIN (+dB) (+dB) Page 19 © 2002, ADC Telecommunications, Inc.

  • Page 27: Maintenance

    When the RIU alarm contacts are connected to an external alarm system, detection of a fault will generate an alarm at the Network Operations Center (NOC). Whenever a problem is reported, refer to Table 5 to isolate and correct the fault. Page 20 © 2002, ADC Telecommunications, Inc.

  • Page 28: Fan Replacement

    AC power source before proceeding to step 4. 4. Remove the four flat-head screws (requires TORX screwdriver with T15 bit) that secure the fan/grill assembly to the side of the enclosure as shown in Figure 15 and save for reuse. Page 21 © 2002, ADC Telecommunications, Inc.
  • Page 29 (side of fan that faces toward back of enclosure when installed) and the arrow on the fan housing faces into the enclosure. 10. Connect the wiring harness connector to the circuit board connectors. 11. Route the wiring harness under the fan. Page 22 © 2002, ADC Telecommunications, Inc.
  • Page 30 13. Reconnect the AC power cord and place the RIU AC power On/Off switch in the ON position (press I). 14. Verify that the fan runs properly following power up. 15. Notify the NOC or alarm monitoring system operator that the system is going back online. Page 23 © 2002, ADC Telecommunications, Inc.

  • Page 31: 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.
  • Page 32 www.adc.com...

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