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FAxM Series 

Instruction Manual

WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE

NOTE TO CATV SYSTEM INSTALLER

!

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

The  lightning  flash  with  arrow-

head  symbol  within  an  equilateral  

triangle  is  intended  to  alert  you 

to  the  presence  of  uninsulated  

“dangerous  voltage”  within  the 

product’s  enclosure  that  may  be 

of  sufficient  magnitude  to  consti-

tute  a  risk  of  electrical  shock  to  

persons.

The exclamation point within an 

equilateral  triangle  is  intended 

to  alert  you  to  the  presence  of  

important  operating  and  main-

tenance  (servicing)  instructions  

in  the  literature  accompanying 

the product.

TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT REMOVE COVER FROM THIS UNIT.   

NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

Unpacking and Handling

Each unit is shipped with all equipment assembled, wired, factory tested, and then packaged in an appropriate 

shipping container.

Ensure that all accessories are removed from the container and packing material before they are discarded.

Mechanical Inspection

Inspect the front and rear of the equipment for shipping damage. Make sure the equipment is clean, and no wires, 

cables, or connectors are broken, damaged or loose.

Precautions

Adherence to the initial installation precautions outlined in the Table below will help prevent problems arising 

during the installation and future maintenance of the unit.

Damage in Shipment

Should any damage be discovered after unpacking the unit, immediately file a claim with the carrier. A full report 

of the damage shall be made and a copy forwarded to Blonder Tongue Laboratories Inc. The company will then 

advise what disposition is to be made of the equipment.

 

PRECAUTIONS 

REQUIREMENTS

 

Avoid Heat Buildup 

 Allow (1) EIA rack space (1

3/4

") between powered headend products in the equipment 

racks.

 

Ensure easy access to rack wiring. 

 Allow a minimum of 18 inches behind the equipment rack(s)

 

Facilitate servicing and maintenance. 

 Allow a minimum of 36” of clearance in front of the equipment rack(s).

 

Avoid direct heating or air conditioning. 

If unavoidable, use deflector plates.

 

AC power source outlets. 

 Locate equipment near sufficient outlets to provide power for test equipment and power 
tools.

 

Rack Support. 

 Make certain rack supports are sufficiently rigid to support racks.

 

Building leakage. 

 Beware of dripping water onto equipment from leaky roofs, waveguide roof entries, and 
cold water pipe condensations.

Table 1  -  Installation Precautions Table

This reminder is provided to call the CATV System Installer’s attention that the cable distribution  

system should be grounded (earthed) in accordance with ANSI/NFPA 70, the National Electrical Code 

(NEC), in particular Section 820.93, Grounding of Outer Conductive Shield of a Coaxial Cable.

Returning Product for Repair or Credit
A Return Material Authorization (RMA) Number is required on all products returned to 

Blonder Tongue, regardless if the product is being returned for repair or credit.

  Before 

returning product, please contact the Blonder Tongue Service Department at 1-800-523-6049, Ext. 4256 

or visit our website: www.blondertongue.com for further information.

Summary of Contents for FA1M-50-860

Page 1: ...blondertongue com 2007 Blonder Tongue Laboratories Inc All rights reserved Specifications are subject to change without notice Trademarks are the property of their respective owner FAxM Series Multi Channel Frequency Agile Modulators Model Stock No FA1M 50 860 59711B FA2M 50 860 59712B FA3M 50 860 59713B 651206700D ...

Page 2: ...scovered after unpacking the unit immediately file a claim with the carrier A full report of the damage shall be made and a copy forwarded to Blonder Tongue Laboratories Inc The company will then advise what disposition is to be made of the equipment PRECAUTIONS REQUIREMENTS Avoid Heat Buildup Allow 1 EIA rack space 13 4 between powered headend products in the equipment racks Ensure easy access to...

Page 3: ...e unit Retain all safety and operating instructions for future reference Heed all warnings on the unit and in the safety and operating instructions Follow all installation operating and use instructions Unplug the unit from the AC power outlet before cleaning Use only a damp cloth for cleaning the exterior of the unit Do not use accessories or attachments not recommended by Blonder Tongue as they ...

Page 4: ... objects may touch dangerous voltage points or short out parts This could cause fire or electrical shock Do not attempt to service the unit yourself as opening or removing covers may expose you to dangerous voltage and will void the warranty Refer all servicing to authorized service personnel Unplug the unit from the wall outlet and refer servicing to authorized service personnel whenever the foll...

Page 5: ...els with appropriate FCC offsets are pre programmed and tuned electronically via microprocessor The units accept any standard audio video source such as satellite receivers television camera video tape recorders or demodulators The advanced design ensures front panel access with LED indicators for all level and over modulation controls Features One Two or Three Combined Channels 54 860 MHz One 50 ...

Page 6: ...1 kHz i Channel Selectivity Adjacent Aural and Below 40 dB Adjacent Picture and Above 50 dB Spurious Outputs 60 dBc C N Ratio In Channel 63 dB b Broadband Noise 70 dBc b Output Impedance 75 ohms Output Return Loss 12 dB Video Input Level 1 0 V p p d Frequency Response fv 0 5 MHz to fv 4 2 MHz 1 0 dB P P Video to RMS Hum Ratio 65 dB Video Signal to Noise Ratio NTC 7 Weighted 62 dB Differential Gain...

Page 7: ...K NO 59712B FA1M 50 860 STOCK NO 59711B 12 Video Input F Connector 13 Audio Input RCA Connector 14 RF Output F Connector 1 Stereo Indicator Lit when video and stereo audio are present 2 Audio Video Ratio Adjustment Adjustment of the A V Ratio is permitted from approximately 19 dB full clockwise position to approximately 10 dB full counterclockwise position by rotating the potentiometer 3 Video Adj...

Page 8: ...y will blink continuously during the channel programming process and will not change the output frequency the unit is programmed until the ENT button is depressed b The unit has a special feature that alerts an operator of an inadvertent or desired change to the channel display by flashing the LED readout The LED display will continue to flash for 30 seconds if the ENT button is not depressed and ...

Page 9: ...r is operating the display will flash for 30 seconds and then revert back to the previous mode entry E1 is displayed if the Input VCO is Not Locked E2 is displayed if the Output VCO is Not Locked Correction Suggestions The User should perform the following steps to correct an Error Condition 1 Check that the Channel Display is set to the desired channel reset as appropriate 2 Check that the unit i...

Page 10: ...00 103 2625 102 98 109 2750 109 2750 Cannot lock to comb 99 115 2750 115 2750 ref refer to FCC regs 14 121 2625 121 2625 120 15 127 2625 127 2625 126 16 133 2625 133 2625 132 17 139 2500 139 2625 138 18 145 2500 145 2625 144 19 151 2500 151 2625 150 20 157 2500 157 2625 156 21 163 2500 163 2625 162 22 169 2500 169 2625 168 07 175 2500 175 2625 174 08 181 2500 181 2625 180 09 187 2500 187 2625 186 ...

Page 11: ...Notes ...

Page 12: ...r shorter than the BT limited warranty for Refurbished or Closeout Products All sales of Refurbished or Closeout Products are final To obtain service under this warranty the defective product together with a copy of the sales receipt or other satisfactory proof of purchase and a brief description of the defect must be shipped freight prepaid to Blonder Tongue Laboratories Inc One Jake Brown Road Ol...

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