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® service mark of ATX in the United States and/or other countries. Products or features contained herein may be covered by one or more U.S. or foreign patents. Other non-ATX product and company names in this manual are the property of their respective companies.
5.2. Preventative Actions .......................... 5-3 5.3. Cooling Fan Maintenance........................5-3 SPECIFICATIONS ............................. 6-1 SERVICE & SUPPORT ..........................7-1 7.1. Contact ATX Networks ........................7-1 7.2. Warranty Information ......................... 7-1 7.3. Safety ..............................7-1 SignalOn Series – Forward Path Amplifier Products – Installation & Operation Manual...
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Index of Figures and Tables Figures 30 dB Forward Path Amplifier ................2-1 Adjustable Gain Amplifier Schematic ..............2-2 Forward Path Amplifier Schematic.................2-2 Amplifier Installation 2RU Chassis.................3-1 Amplifier Installation 5RU Chassis.................3-2 –48 VDC Power Supply ..................4-2 AC Power Supply (Front View) ................5-1 Power Supply Fan Replacement ................5-2 Tables Front Panel Indicators and Test Point ..............4-1...
The system is designed to accommodate superior cable management and ease of use. Amplifi er and power supplies are designed to be installed in the 8- or 20-position SignalOn Series chassis. Each amplifi er or power supply occupies two positions in the chassis.
PREFACE interference to TV and radio reception requiring the owner or operator to take whatever steps are necessary to correct the interference. Standards EN55022 Limits and Methods of Measurement of Radio Interference Characteristics of Information Technology Equipment ISTA+7 International Safe Transit Authority ANSI/SCTE 06 1999 Composite Distortion Measurements ANSI/SCTE 01 1996...
RF Worx chassis. ® SignalOn passive modules may be installed in MAXNET chassis, if mounting screws are replaced. Consult ATX technical support for more info. Refer to the SignalOn Chassis & Power Supply manual for more information.
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CHAPTER 1: GENERAL This page left intentionally blank. SignalOn Series – Forward Path Amplifi er Products – Installation & Operation Manual ®...
CHAPTER 2: PRODUCT DESCRIPTION PRODUCT DESCRIPTION Product Description This section provides physical, functional, and technical descriptions of the SignalOn Forward Path Amplifier, chassis, 100/120/240 VAC power supply, and –48 VDC power supply. 2.1. Physical Description 2.1.1. Forward Path Amplifier Each Forward Path Amplifier provides adjustable amplification with low distortion and low noise for the forward path. The SignalOn Forward Path Amplifier is available in the following variations: •...
CHAPTER 2: PRODUCT DESCRIPTION 2.2. Functional Description 2.2.1. Forward Path Amplifier The SignalOn Forward Path Amplifier is an electronically adjustable amplifier, and is intended for CATV and other providers requiring low distortion/noise signal amplification in the forward path (50 to 1000 MHz). Figure 6 shows a circuit block diagram for the Forward Path Amplifiers.
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CHAPTER 2: PRODUCT DESCRIPTION 2.2.2. Power Supplies The SignalOn power supplies use either 100/120/240 VAC or –48 VDC input power. AC/DC or DC/DC power supplies include circuitry for the detection of a power supply failure. Alarm contacts are located on the rear panel of the power supply module. These contacts support existing customer-supplied alarm systems.
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CHAPTER 2: PRODUCT DESCRIPTION This page left intentionally blank. SignalOn Series – Forward Path Amplifi er Products – Installation & Operation Manual ®...
SignalOn Series chassis. 1. Make sure the ATX 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.
CHAPTER 4: OPERATING INSTRUCTIONS OPERATING INSTRUCTIONS Operating Instructions 4.1. Forward Path Amplifi er An LED on the front of the Forward Path Amplifi er lights green when the amplifi er is operating. If no power is present at the amplifi er the LED is off. 4.1.1.
NOTE: There are no customer serviceable parts in the amplifi ers in this system; return all failed amplifi ers to ATX Networks for service or repair. Opening amplifi er voids all applicable warranties.
CCHAPTER 5: MAINTENANCE Use the following procedure to replace cooling fan: 1. Carefully move any cables away from the rear of the power supply that may be blocking fan. 2. Loosen the two thumbscrews that secure the fan assembly to the power supply module. See Figure 28. 3.
Do not allow power supplies to operate without a fan assembly for any extended period of time. For any other repairs, contact ATX Networks at the telephone number listed in Section 9, Service & Support, of this manual. SignalOn Series –...
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CHAPTER 5: MAINTENANCE This page left intentionally blank. SignalOn Series – Forward Path Amplifi er Products – Installation & Operation Manual ®...
Please contact ATX Technical Support for assistance with any ATX products. Please contact ATX Customer Service to obtain a valid RMA number for any ATX products that require service and are in or out-of-warranty before returning a failed module to the factory.
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