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ADC RF Wofx User Manual

Dual a/b switch wit automatic switchback
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RF Worx
Dual A/B Switch
with Automatic Switchback

User Manual

S W
IT C
H IN
T H R
G
E S H
O L D
(- R )
A
B
S E L
N O R
E C T
M A
L
C A L
IB R
A T IO
N
S E L
E C T
O P E
R A T
IN G
M A
N U A
S T A
L
F A IL
U R E
T U S
12213-A
ADCP-61-813
Issue 3
February 2005
1318221 Rev A

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  • Page 1: User Manual

    ADCP-61-813 Issue 3 February 2005 ® RF Worx Dual A/B Switch with Automatic Switchback User Manual IT C H IN T H R E S H O L D (- R ) S E L N O R E C T C A L IB R A T IO...

  • Page 2: Revision History

    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

    CUSTOMER INFORMATION AND ASSISTANCE ........... 14 Page iii © 2005, ADC Telecommunications, Inc.
  • Page 4 ADCP-61-813 • Issue 2 • February 2005 • Preface TABLE OF CONTENTS Content Page Blank Page iv © 2005, ADC Telecommunications, Inc.

  • Page 5: About This Manual

    ADCP-61-813 • Issue 2 • February 2005 • Preface ABOUT THIS MANUAL This manual describes the ADC RF Worx Automatic Redundant Switch and associated SWatch switch monitoring software and provides installation, operation, and maintenance instructions. ADMONISHMENTS Important safety admonishments are used throughout this manual to warn of possible hazards to persons or equipment.
  • Page 6 ADCP-61-813 • Issue 2 • February 2005 • Preface Blank Page vi © 2005, ADC Telecommunications, Inc.

  • Page 7: General

    Figure 1. Automatic Redundant Switch (RDS-AS) Graphical User Interface - “SWatch” Switch Monitoring Software (Optional) A SWatch GUI software for the RDS-AS can be purchased separately from ADC Telecommunications. The program provides continuous remote monitoring of the RDS-AS and associated systems. It is designed for Windows 95 systems with a 90 MHz (or faster) Pentium Processor.

  • Page 8: Atypical Configuration

    CATV signals. It should be noted that the RDS-AS will not provide satisfactory results in the above configuration. It is recommended that systems with this configuration use the ADC Split Linked A/B Switch (RDS-SLAB) product.
  • Page 9 Adjusts threshold for the active port CHANNEL A LED When lit, shows A as the active side AMP SELECT toggle switch Selects active channel A or B CHANNEL B LED When lit, shows B as the active side Page 3 © 2005, ADC Telecommunications, Inc.
  • Page 10 Terminal Block Alarm and –48 V battery power DC power connections AC Power Out Receptacles VAC outputs for powering external equipment AC Power Input Receptacle Connects unit to the VAC power supply Page 4 © 2005, ADC Telecommunications, Inc.

  • Page 11: Specifications

    15 seconds of full signal integrity Switch action on power failure Retain Position Calibration data retained for 8 hours, minimum Detection Points RF A input only (both parts) Accuracy 0.25 dB, typical 2 to 7 dB threshold settings Page 5 © 2005, ADC Telecommunications, Inc.

  • Page 12: Installation

    Use the following procedure to install and cable the redundant switch in a 19-inch network rack, or equivalent. Dimensions are shown in Figure 6 Figure 7.44 IN. (18.9 CM) 12.0 IN. (30.5 CM) CABLE MANAGEMENT 17.20 IN. (43.69 CM) 12215-C Figure 6. Top View of RDS-AS Page 6 © 2005, ADC Telecommunications, Inc.
  • Page 13 Figure 8. Installing Redundant Switch in Rack 2. Using AWG 18 (or larger) stranded wire, connect frame ground to the frame ground screw in the lower left corner of the rear panel (See Figure Page 7 © 2005, ADC Telecommunications, Inc.
  • Page 14 UP TO EIGHT UP TO 32 REDUNDANT AMP SWITCHES IN EACH DAISY CHAIN RS-485 BUSES REMOTE TERMINATION SYSTEM MAXIMUM IS 250 MONITOR 8-POSITION MODULAR PLUG RDS TERMINATION 20380-A Figure 10. Daisy Chained RDS-AS Units Page 8 © 2005, ADC Telecommunications, Inc.

  • Page 15: Configuring The Rds-As For 100 To 120 Vac Operation

    3. Remove the fuse module using a small screwdriver or equivalent. 4. Rotate the fuse module 180º so that the text “115V” will show through the power inlet module window when the door is closed. Page 9 © 2005, ADC Telecommunications, Inc.

  • Page 16: Setup And Operation

    Swatch switch monitoring software is established. In rare instances an A or B may show continuously in the display when powering up. This indicates that an internal failure has occurred. Contact ADC (Section 7) for assistance.

  • Page 17: Calibration

    Threshold adjustment, calibration, and selection of the input channel can be performed on both ports. Use the threshold switch to select a port for modification, up for port 1, down for port 2. Page 11 © 2005, ADC Telecommunications, Inc.

  • Page 18: Failure Detection

    Use the following procedure to clear all threshold settings and all calibration info. This procedure should be used when re-deploying the RDS-AS to a different location or application. 1. Power down (unplug) the RDS-AS and remove all power sources. Page 12 © 2005, ADC Telecommunications, Inc.

  • Page 19: Maintenance

    The outside of the redundant amplifier switch should be cleaned during routine headend equipment maintenance. Fuse Replacement Caution: For continued safe operation and to reduce the risk of fire, replace fuses with the same type and rating Page 13 © 2005, ADC Telecommunications, Inc.

  • Page 20: 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 22 www.adc.com...

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