Model 3020 RF Switch Module Installation Guide and User Manual
Contents
1. Rear Panel Connections Connector Name Connector Type Function Primary In SMA 50 Ohm F 75 Ohm Primary RF Signal In Secondary In SMA 50 Ohm F 75 Ohm Secondary RF Signal In RF Out SMA 50 Ohm F 75 Ohm Common RF Signal Out LED Functions Name Color Condition Remote Red Unit is operating in remote mode under SNMP control Primary Green Unit has connected the primary RF input channel to the RF Out connector Secondary Green Unit has connected the secondary RF input channel to the RF Out connector Safety Precautions The optical emission from the units are laser based Class IIIb and may present eye hazards if improperly used NEVER USE ANY KIND OF OPTICAL INSTRUMENT TO VIEW THE OPTICAL OUTPUT OF THE UNIT Complete laser safety procedures may be downloaded at http www forceinc com techbull laser safety procedures pdf As always be careful when working with optical fibers Fibers can cause painful injury if they penetrate the skin Operation Overview The Model 3020 is a relatively simple product designed to allow a fully redundant and thus highly reliable fiber optic L Band or IF link to be created Primary RF Input Wideband RF State Detector Buttons gt Primary Trip Point Detector Secondary RF Input C7 Figure 3 Model 3020 RF Switch Block Diagram The 3020 operates as follows First a portion of the primary and secondary R2. or failure to realize expected savings even if Force Incorporated has been advised of the possibility of such damages This warranty constitutes Force Incorporated s entire liability and the cus tomer s sole remedy for defects in material and workmanship IOM3020 Revision 5 0 13 Model 3020 RF Switch Module User Manual Product Return Policy Customers will be permitted to return products for credit repair or replacement only after receiving authori zation from the Customer Service Manager CSM and only with a valid Return Material Authorization RMA number The criteria determining whether a product is covered under this policy are described below and RMA numbers will be issued only under these guidelines For Return Requests that do not comply with the following criteria the CSM must have approval from the VP Operations or designee prior to issuing an RMA number Products Returned for Credit Non Distributor Customers will be allowed to return product for credit only under the following conditions e Products are current standard Force products as per the price list e Products are in new unused and undamaged condition and are in the original packaging e Products were originally shipped to the customer requesting Return Authorization e Request for return is for a valid reason as determined by Force Inc e Products were shipped to the customer less than 3 months prior to return request e Customer receives proper R
3. SMA connector 75 Ohm F con C 50 75 OHM SECONDARY IN 50 Ohm SMA connector 75 Ohm F nector Primary channel RF Input connector Secondary channel RF Input B 50 75 OHM RF OUT 50 Ohm SMA connector 75 Ohm F connec D Backplane Connection Inserts into the backplane of the rack chas tor Common RF Output sis allowing the chassis to provide power to the module Figure 1 Model 3020 RF Switch Rear Panel IOM3020 Revision 5 0 5 Model 3020 RF Switch Module User Manual Module Front Panel Description A 3020 RR WITCH B primar C SECOMDART D tru E rm Pout F TRIP POINT G ADJUST H J A 1 39 35 3 A Thurmbscrews 2 Places Used to secure the module top and bot G Trip Point Adjust Down Button Used to adjust the PRIMARY TRIP tom to the 3RU chassis POINT voltage down in 20 mV increments Note if this button is B Primary LED Green When lit indicates the unit has connected the held down the voltage will decrease about 100 mV per second primary RF input channel to the RF OUT connector H Remote LED Red When lit indicates the unit is operating in re C Secondary LED Green When lit indicates the unit has connected mote mode under SNMP control the secondary RF input channel to the RF OUT connector Local Remote Button Push button allows the user to manually D Primary RF Level This test point allows the current RF input level switch the unit from local to remote mode associated with the primary chan
4. The product is currently obsolete but is still under warranty C The product is active but out of warranty D The product is obsolete and out of warranty Active Product Under Warranty Force will honor the warranty for these products As a result product s should be accepted upon return for rework or repair in accordance with Force s warranty policy Obsolete Product Under Warranty Force will honor the warranty for these products As a result product s should be accepted upon return for rework or repair in accordance with Force s warranty policy Active Out of Warranty Force will accept return of product under this category as long as the sale of the product occurred less than five 5 years prior to the return request The product serial number should aid in determining the age in cases where information is not in the data base Rework or repair will be in accordance with Force s warranty policy and will include an evaluation charge which will be quoted to the customer prior to the return of the product The evaluation charge is 20 of the current list price of the product or a minimum of 250 whichever is IOM3020 Revision 5 0 14 Model 3020 RF Switch Module User Manual greater The customer will either need to provide a purchase order number with approved credit or a credit card number before receiving an RMA number Force cannot guarantee its ability to repair or rework the product If costs to repair the product exceed
5. a hardware reset on the board Switch Mode Secondary Primary Auto Summary Fault Alarms Table 4 lists the different conditions that cause the summary fault to trigger The summary fault is routed to the back plane for rack mounted systems and routed out of the power connector for stand alone systems refer to IOM3000C for detailed information A fault condition is defined as a normally closed dry contact closure Table 4 Summary Fault Alarms System Over Temp System Under Temp RF Input Low IOM3020 Revision 5 0 11 Model 3020 RF Switch Module User Manual Initial Power up Locate the chassis and units in the proper environment Connect the RF inputs to the RF switch Connect the RF common output to the switch to the appropriate equipment Connect the companion Teleport equipment and optical transport as required When all cable connections have been made apply power to the unit The green Power LED on the power supply front panel should light 6 Set the Primary Trip Point threshold The units should be full operational Cleaning sa le oa If the units need to be cleaned avoid the user of all solvents and use low pressure clean air to remove loose dirt Use low pressure clean air to clear the connectors of any debris Dirty or scratched connector end faces will greatly reduce the units performance Foam tipped swabs such as the 2 5mm Mini Foam Swab offered by Fiber Instrument Sales P N
6. chassis The power supplies feature a green Power On LED that indicates when the chassis is receiving power A ground point on the front panel provides a common ground for all modules installed in the chassis The power supplies meet UL requirements See IOM3000C for specifications and details IOM3020 Revision 5 0 6 Model 3020 RF Switch Module User Manual Items Provided The following is a list of items provided with each Model 3020 Qty AR 1 per unit Items Required Qty AR 1 or 2 per chas sis AR AR 1 per AC Power supply AR 1 AR Inspection Mfr Force Inc Any Mfr Force Inc Force Inc Force Inc Force Inc Any P N 3020SX Any P N 3000CB NN 3000UX NN 3000EA NN 3000EB NN Any Description RF Switch Module Active Device Receptacle Caps Description 3RU Rack Chassis 3RU Power Supply Universal AC or 48 Volts DC SNMP monitor ing and control option available Optional Blank Panel for unused module slots Optional Blank Panel for unused power supply slot Three wire Ground IEC Power Cable AC Versions 14 AWG Stranded Copper Wire UL 1061 300V 80 C DC Ver sions Straight Screwdriver Standard EIA 19 Rack with Earth Ground rack mount configura tion only Remove the units from their shipping container Any in shipment damage that may have occurred should be visually apparent Look for bent or damaged connectors or mounting bracket
7. the evaluation charge the customer will be notified of such charges and instruction to proceed with repairs will be indicated either by a P O number or credit card autho rization Obsolete Product Out of Warranty Force is not obligated to accept requests for product under this category The CSM with prior approval from Operations will be responsible for approving return requests for products falling under this category Receiving an RMA for Returns Customers requesting RMA numbers for any reason will be instructed as to how and where to ship the prod ucts being returned and will be directed to show the RMA number on all external packaging and documenta tion The CSM is responsible for providing any necessary instructions to the customer to ensure proper handling of the retuned material Upon receipt of the product all Force personnel are to process the return as per SP002 Handling of Customer Returns Contact the factory at USA 800 732 5252 or TEL 540 382 0462 to request an RMA Shipping and Handling Precautions The units are in general very rugged and can withstand the stresses of most shipping and handling circum stances However the following precautions should be taken 1 When the units are shipped they should be wrapped in a protective material such as bubble wrap to pro tect against excessive jarring and to prevent damage to the external finish of the units Always use packing material to separate multiple unit
8. 0 MHz The voltage response will vary somewhat across frequency Voltage Volts 45 40 35 30 25 20 15 10 5 0 5 10 RF Input dBm Figure 4 Test Point Voltage vs RF Input Level The operation of the 3020 is very straightforward Use the curve in Figure 4 to determine the trip point thresh old For instance if the desired RF trip point is 20 dBm then the PRIMARY TRIP POINT voltage should be set to approximately 900 mV using the UP and DOWN buttons This voltage can be adjusted from 0 mV to about 2 450 mV in 80 mV steps IOM3020 Revision 5 0 9 Model 3020 RF Switch Module User Manual The UP and DOWN buttons may also be held down to change the voltage more quickly If the UP button is held down the PRIMARY TRIP POINT voltage will increase about 100 mV per second If the DOWN button is held down the PRIMARY TRIP POINT voltage will decrease about 100 mV per second NOTE The PRIMARY TRIP POINT voltage is updated to non volatile memory after no buttons have been pushed on the front panel for 10 seconds Once non volatile memory has been updated the PRIMARY TRIP POINT voltage will be held even if the unit is power cycled Modes of Operation There are three operating modes Secondary Auto and Primary In the Secondary mode the 3020 is forced to connect the secondary RF input channel to the RF Output In the Primary mode the 3020 is forced to connect the primary RF input channel to the RF Output In the Auto mod
9. 50 Ohm operation 2 Unswitched input terminated into 50 Ohms internally 3 Worst case isolation occurs above 2 GHz 4 The Threshold Set Range is the adjustment range of the PRIMARY TRIP POINT which can be read on the corresponding test point on the front panel This voltage is adjusted using the TRIP POINT ADJUST buttons on the front panel 5 This product conforms to the Electromagnetic Compatibility Requirements in accordance with European Community Directive 89 336 EEC 6 The Model 3020 uses the Model 3000 3RU rack chassis and power supplies See IOM3000C for complete details on rack chassis and power supplies IOM3020 Revision 5 0 4 Model 3020 RF Switch Module User Manual Installation and Operation General Installation Instructions Installation of the Model 3020 normally requires only verification of signal inputs and outputs Locate the equipment in an area that provides adequate lighting and is relatively free from dust Do not install the equip ment near sources of excessive heat such as furnace outlets or above heat producing units such as large power supplies and tube type equipment Slots and openings in the rear panel are provided for ventilation To protect from overheating these openings must not be blocked or covered Observe temperature and relative humidity requirements specified on page 4 Rear Panel Description 3020SB or 3020SD 3020SA or 3020SC A B C 4 D i si A 50 75 OHM PRIMARY IN 50 Ohm
10. F inputs are split off and fed to wideband RF detectors The output of the Primary Wideband RF Detector is fed to the DSP and the PRI MARY RF LEVEL test point on the front panel The output of the Secondary Wideband RF Detector is fed only to the DSP The DSP considers the input from the Wideband RF Detector s along with the current state of the unit and the settings of the various buttons and switches and decides whether the Solid State RF Switch should be configured to output the primary or secondary RF input The DSP illuminates the various status LEDs to convey the current unit configuration The DSP sets the analog PRIMARY TRIP POINT via a digi tal to analog converter DAC IOM3020 Revision 5 0 8 Model 3020 RF Switch Module User Manual RF Level Primary Trip Point In order to properly utilize the 3020 it is important to understand how the RF input levels relate to the DC voltages that can be measured on the PRIMARY RF LEVEL and PRIMARY TRIP POINT on the front panel of the 3020 In order to measure these voltages connect the ground lead of a digital voltometer DVM to the ground terminal on the power supply Connect the positive lead of the DVM to one of the two test points on the 3020 Figure 4 shows the curve of the average RF input response that can be used to convert from RF Level in dBm to Voltage and vice versa This figure applies to the PRIMARY RF LEVEL and PRI MARY TRIP POINT This plot was generated using a single tone at 150
11. F1 0005 may be saturated with denatured alcohol and inserted into the optical port for cleaning DO NOT INSERT A DRY SWAB INTO THE OPTICAL PORT AS THIS MAY DAM AGE THE FIBER END FACE Many fiber optic installations experience degraded performance due to dirty optical connector end faces For complete connector cleaning instructions download http www forceinc com techbull optical connector cleaning pdf from Force s web site Troubleshooting Common problems include lack of power reversed power stand alone units only or improper input levels The units are designed to work with a 75 Ohm system or a 50 Ohm system depending on the model ordered A number of indicator LEDs on the units may assist in troubleshooting These allow the user to quickly assess the nature of any major unit malfunctions Problems and Comments Problem Check Comments While the 3020 does not have a sepa rate power light either the PRIMARY or Cncecinel a LED onthe SECONDARY LED will always be lit thus No LEDs are lit on the 3020 power suppiyiis H serving as a positive indication of power Try LAS Ane 3020 module Grid Be sure the module is fully inserted reinserting it into the chassis Be sure the PRIMARY channel RF input posure to Measure the total Power i dBm not just the level of a given car The unit does not switch over to the level is at the expected level i Aa snanhel nine ATO a gare ihar ihe PRIMARY TRIP IVE set at the cor
12. G OPTICAL BROADCAST SYSTEMS Model 3020 RF Switch Module Installation Guide and User Manual IOM3020 Revision 5 0 April 2006 Technical Support If you encounter any kind of problem after reading this manual contact your local distributor or a Force Inc Applications Engineer To reach technical support On the Web http www forceinc com USA 800 732 5252 TEL 540 382 0462 By Fax 540 381 0392 By Email csr sales forceinc com By Phone Monday through Friday 8 00 am to 5 00 pm EST 825 Park Street Christiansburg VA 24073 USA 800 732 5252 TEL 540 382 0462 FAX 540 381 0392 csr sales forceinc com www forceinc com 2006 by Force Inc Force reserves the right to make changes to the product described in this document in the interest of product improvement Model 3020 RF Switch Module User Manual Contents Technical Support 1 Product Specifications 3 L Band 50 Ohm Characteristics 3 L Band 75 Ohm Characteristics 3 IF 50 or 75 Ohm Characteristics 4 Electrical Characteristics See Note 5 4 Physical Characteristics 4 Environmental Characteristics 4 Specification Notes 4 Installation and Operation 5 General Installation Instructions 5 Rear Panel Description 5 Figure 1 Model 3020 RF Switch Rear Panel 5 Module Front Panel Description 6 Figure 2 Model 3020 RF Switch Module Front Panel 6 3RU Chassis Description 6 3RU Power Supply Description 6 Items Provided 7 Items R
13. e the 3020 will connect the primary RF input channel to the RF Output as long as the PRIMARY RF LEVEL is greater than the PRIMARY TRIP POINT If the PRIMARY RF LEVEL drops below the PRIMARY TRIP POINT even for an instant the 3020 will connect the secondary RF input to the RF Output This connection will remain until the PRIMARY RF LEVEL is once again greater than the PRIMARY TRIP POINT at which time the 3020 will connect the out put to the primary RF input Figure 5 presents the same information about the operating modes in a State Dia gram Format Mode Switch moved to Auto and RF Input Level gt RF Trip Point PRIMARY SECONDARY Primary Mode Switch set to Secondary Secondary Mode Switch set RF Input RF Input to Auto and RF Input connected to Mode Switch set to Primary connected to Level gt RF Trip Point RF Output RF Output TRIP MODE Secondary RF Input connected to RF Output Mode Switch set to Auto Figure 5 Model 3020 RF Switch State Diagram IOM3020 Revision 5 0 10 Model 3020 RF Switch Module User Manual SNMP Capabilities The 3000 series boards are capable of Simple Network Management Protocol SNMP monitoring and control over an Internet Protocol IP network when used with a SNMP enabled power supply Model 3000UB NN or Model 3000UD NN refer to IOM3000C for more information or Model 3001BR NN Remote SNMP Mod ule contact the factory for more information Table 1 lists the common mo
14. equired 7 Inspection 7 General Module Installation 7 Front Panel Controls 7 Rear Panel Connections 8 LED Functions 8 Safety Precautions 8 Operation Overview 8 Figure 3 Model 3020 RF Switch Block Diagram 8 RF Level Primary Trip Point 9 Figure 4 Test Point Voltage vs RF Input Level 9 Modes of Operation 10 Figure 5 Model 3020 RF Switch State Diagram 10 SNMP Capabilities 11 Table 1 Monitoring Capabilities for the Model 3020 11 Table 2 RF Switch Specific Monitoring Capabilities for the Model 3020 11 Table 3 Control Capabilities of the Model 3020 RF Switch 11 Summary Fault Alarms 11 Table 4 Summary Fault Alarms 11 Initial Power up 12 Cleaning 12 Troubleshooting 12 Problems and Comments 12 Warranty and Return Policy 13 Warranty 13 Force Obligations 13 Exclusions 13 Product Return Policy 14 Products Returned for Credit Non Distributor 14 Products Returned for Repair or Replacement 14 Active Product Under Warranty 14 Obsolete Product Under Warranty 14 Active Out of Warranty 14 Obsolete Product Out of Warranty 15 Receiving an RMA for Returns 15 Shipping and Handling Precautions 15 Storing the Unit 15 IOM3020 Revision 5 0 Model 3020 RF Switch Module User Manual Product Specifications L Band 50 Ohm Characteristics Min Typ Max Units Notes Frequency Range 950 2250 MHz RF Input Range 50 10 dBm RF Insertion Loss 3 5 4 dB Impedance 50 Ohm 1 IMD 3 dB Input 65 dBc VSWR Input Output 1 5 1 1 8 1 2 Group Delay fu
15. eturn Material Authorization prior to returning the product e Customer pays return freight and insurance if requested by Force Inc Customers will be issued a credit for the original selling price of the product less a 20 restocking charge after verification that the product meets the criteria as stated above Payment to customers with no outstanding bal ance will be made 30 days after requested by customer Products Returned for Repair or Replacement Force s response to a customer product return request will be based upon whether or not the product is still part of Force s standard product offering and whether or not the product is still under warranty A product will be considered active if it is currently part of Force s standard product offering Active products are denoted in Force s current price list Obsolete products are not considered active A product is considered under warranty in accordance with Force Inc Product Warranty Prior to receiving an RMA number the customer will be asked to discuss the reason for the return with Tech nical Support to try to resolve the problem This discussion will be documented to aid with troubleshooting and repair of the product Any detail the customer can provide will expedite the process once the product is received The criteria denoted above will cause any incoming returns to fall into one of the following categories A The product is currently active and is under warranty B
16. ll band 1 5 ns Isolation 55 dB 3 Threshold Set Range 35 10 dBm 4 Third Order Intercept Point 32 35 dBm Switching Speed off on 100 us Switching Speed on off 50 us L Band 75 Ohm Characteristics Min Typ Max Units Notes Frequency Range 950 2250 MHz Flatness full band 1 25 1 25 dB RF Input Range 50 10 dBm RF Insertion Loss 4 5 0 dB Impedance 75 Ohm 1 IMD 3 dB Input 65 dBc VSWR Input Output 1 5 1 1 8 1 2 Group Delay full band 1 5 ns Isolation 38 45 dB 3 Threshold Set Range 35 10 dBm 4 Third Order Intercept Point 32 35 dBm Switching Speed off on 100 us Switching Speed on off 50 us IOM3020 Revision 5 0 Model 3020 RF Switch Module User Manual IF 50 or 75 Ohm Characteristics Min Typ Max Units Notes Frequency Range 10 200 MHz Flatness Full Band 0 5 0 5 dB Return Loss 18 dB Group Delay any 36 MHz 0 1 0 1 ns VSWR 1 3 1 Isolation 75 dB Electrical Characteristics See Note 5 Min Typ Max Units Notes Power Supply Voltage 20 Voc 6 Supply Current 105 mA Power Dissipation 2 W Physical Characteristics Min Typ Max Units Notes Module Weight 1 lb 45 kg Module Dimensions 5 06 x 1 39 x 12 00 in 129 x 35 x 305 mm Environmental Characteristics Min Typ Max Units Notes Operating Temperature Range 10 55 C Storage Temperature Range 40 60 G Humidity RH non condensing 5 95 Specification Notes 1 The units may be ordered for 75 Ohm or
17. nel to be monitored J Mode Toggle Button Used to switch between Secondary Primary E Primary Trip Point This test point allows the trip voltage associated and Auto modes with the primary channel to be monitored F Trip Point Adjust Up Button Used to adjust the PRIMARY TRIP POINT voltage up in 20 mV increments Note if this button is held down the voltage will increase about 100 mV per second Figure 2 Model 3020 RF Switch Module Front Panel Dimensions in parentheses are in millimeters 3RU Chassis Description The Model 3020 occupies one slot in the Model 3000 3RU rack chassis which can house one or two power supplies one Model 3020 and up to six hot swappable transmitter or receiver modules A DB 25 connector on the rear of the chassis may be used for fault monitoring See IOM3000C for complete details The following conditions will trigger a summary fault on the chassis DB 25 connector System Under Temp System Over Temp RF Input Low on the primary path 3RU Power Supply Description Four power supply modules may be specified The Model 3000UC NN power supply provides universal AC power to the units installed in the chassis The Model 3000UB NN supplies universal AC power and adds SNMP or web based system monitoring capability Model 3000UE NN provides 48 Volts DC and the Model 3000UD NN is the SNMP version also providing 48 Volts DC Regardless of the model ordered one or two power supplies may be accommodated in the 3RU
18. nitoring capabilities of the Model 3020 RF Switch Table 2 and Table Switch Table 3 gives information on SNMP monitoring and control specific to the RF 1 Monitoring Capabilities for the Model 3020 Common Serial Number Lists the serial number of the addressed card Displays the number of seconds the addressed card has been running since Uptime Time power up Model Displays the model number Slot ID Displays the slot number of the board Firmware Version Lists the firmware version Fault Status System Over Temp System Under Temp RF Input Low Local Remote Local Remote Access State System Board Temperature Displays the system temperature of the addressed card in degrees Celsius Table 2 RF Swit Parameter ch Specific Monitoring Capabilities for the Model 3020 Description Active RF Path Secondary Primary Switch Mode Secondary Primary Auto Lists the RF Level status of the addressed card RF Level Status Within Spec High Low RF Input Level Displays the estimated RF input level in dBm Trip Level Trip point in dBm Table 3 lists the controlling capabilities of the RF Switch Table 3 Control Capabilities of the Model 3020 RF Switch Parameter Description Local Remote Change the state Local or Remote of the transmitter Trip Level Trip level in dBm Reset Initiates
19. rect voltage according to the curve in Figure 4 page 9 Once the PRIMARY RF LEVEL is greater than the value set for the PRIMARY TRIP POINT the unit can be reset by doing one of the three following steps to Be sure that the PRIMARY RF LEVEL is restore the connection to the primary greater than the value set for the PRI channel The unit will not switch back to the PRI MARY TRIP POINT 1 Power cycle the 3020 MARY channel 2 Switch the mode to PRIMARY and then back to AUTO 3 Switch the mode to SECONDARY and then back to AUTO To force operation on the PRIMARY channel set the mode switch to PRI MARY The signal level out of the 3020 is less This is normal The 3020 typically has a than the input signal 4 dB insertion loss IOM3020 Revision 5 0 12 Model 3020 RF Switch Module User Manual Warranty and Return Policy Warranty Force Incorporated standard products are warranted to be free from defects in materials and workmanship meeting or exceeding factory specified performance standards for a period of three 3 years from date of pur chase Force Obligations Force will at its discretion and expense repair any defect in materials or workmanship or replace the product with a new product Force will upon receipt of the return evaluate the product and communicate to the cus tomer the nature of the problem and determine if the claim falls under warranty coverage If during the warranty period Force i
20. s Claims for damage incurred in shipment should be made directly to the transportation company in accordance with their instructions Save the shipping cartons until installation and performance verification are completed General Module Installation The modules come pre installed in the 3000 chassis Make sure that adequate space is available for cabling and safe access for inspection or troubleshooting When replacing modules align the top and bottom of the mod ule with the module guides in the 3RU rack Push the module firmly to engage the rear power plane connector When using redundant power supplies apply power to the power supply before installation into the rack chassis If power is not at the power supply at installation an alarm condition will be reported to the DB 25 connector located at the rear of the rack chassis See IOM3000C for a list of faults that may be reported Front Panel Controls Control Name Control Type Function Primary RF Level Test Point Voltage Corresponding to RF Level Primary Trip Point Test Point Voltage Corresponding to Trip Point between Primary and Secondary Mode Switch Push Button See Front Panel Description Item J Gain Adjust Up Push Button See Front Panel Description Item H Gain Adjust Down Push Button See Front Panel Description Item Local Push Button See Front Panel Description Item G IOM3020 Revision 5 0 Model 3020 RF Switch Module User Manual
21. s that are packaged together 2 Care should be taken not to drop or strike the units in any way especially around the optical connectors 3 The units should never be submersed in any liquid SEVERE SHOCK HAZARD Storing the Unit If a unit is to be out of use for an extended period of time the following steps should be taken to ensure the preservation of the unit 1 The storage temperature range is 40 C to 60 C Allow time for unit to restore to room temperature and dry out before power is applied 2 A low humidity environment is preferable for long term storage 3 All connectors should be covered with active device receptacle caps IOM3020 Revision 5 0 15
22. s unable to repair the product to the original warranted state within a rea sonable time or if subcomponents of the unit have been obsoleted or discontinued then Force has the option to provide an equivalent unit Exclusions This warranty does not extend to any product that has been damaged due to acts of God accident misuse abuse neglect improper system design or application improper installation improper operation or mainte nance or connection to an improper voltage supply The Force warranty does not cover fuses batteries and lamps Modifications or alterations of Force products including but not limited to installation of non Force equipment or computer programs except as authorized by Force will void this warranty Removal or breaking of the seals on the product will also void the warranty In addition cost of repair by unauthorized persons within the warranty period of the product will not be cov ered by Force Incorporated Such repairs will void the warranty Force Incorporated makes no other representation or warranty of any other kind express or implied with respect to the goods whether as to merchantability fitness for a particular purpose or any other matter Force Incorporated s liability shall not include liability for any special indirect or consequential damages or for any damages arising from or attributable to loss of use loss of data loss of goodwill or loss of anticipated or actual revenue or profit
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