User manual: CXE180 Universal amplifier
Contents
1. 0 16 hr gh low flat sloper input attenuator equaliser N La RE e d 12 off e i D INPUT remol e powering ao fjor gain gain T cable simulator CH gt h H 0dB 10dB out 2 out 1 Figure 4 CXE180 Front panel RF input Input test point 20 dB transformer Input diplex filter Input attenuator Input equaliser Cable simulator Mid stage gain selection jumper Mid stage slope selection jumper Output diplex filter See chapter Jumper settings 10 11 12 13 14 15 16 17 18 output module 4 OUTPUT 2 TELESTE diplex filter output TP 20 dB MAC V 1 Output test point 20dB directional coupler Output module see table 1 RF output 1 RF output 2 Return path input attenuator Return path equaliser Return path attenuator Remote powering jumper for outputs Remote powering jumper for input User Manual CXE180 59300401 Rev 001 26 5 2010 9 12 Jumper settings Cable simulator Mid stage gain Mid stage slope jumper selection jumper selection jumper Figure 4 pos 6 Figure 4 pos 7 Figure 4 pos 8 high gain flat HD nes HD flat D low gain s H 32 dB Sloped I 8 dB i Return path attenuator Figure 4 pos 14 Remote power jumpers Figure 4 pos 17 18 0 dB 10 dB T off Oo o 8610040 Figure 5 Illustration of the jumper2. of 25 dB TELESTE User Manual CXE180 59300401 Rev 001 26 5 2010 12 12 Legal declarations Copyright O 2010 Teleste Corporation All rights reserved Teleste is a registered trademark of Teleste Corporation Other product and service marks are property of their respective owners This document is protected by copyright laws Unauthorized distribution or reproduction of this document is strictly prohibited Teleste reserves the right to make changes to any of the products described in this document without notice and all specifications are subject to change without notice Current product specifications are stated in the latest versions of detailed product specifications To the maximum extent permitted by applicable law under no circumstances shall Teleste be responsible for any loss of data or income or any special incidental consequential or indirect damages howsoever caused The contents of this document are provided as is Except as required by applicable law no warranties of any kind either express or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose are made in relation to the accuracy reliability or contents of this document Teleste reserves the right to revise this document or withdraw it at any time without notice WEEE Notice This product complies with the relevant clauses of the European Directive 2002 96 EC on Waste Electrical and
3. plug used for cable simulation mid stage gain selection mid stage slope selection and return path attenuation TELESTE User Manual CXE180 59300401 Rev 001 26 5 2010 10 12 Adjustments Downstream signal path The output stage uses a GaAs hybrid to improve RF performance over the entire 47 to 1006 MHz passband The distribution path through the use of plug in output modules Figure 4 pos 11 can be set up for a variety of output configurations Refer to the Table 1 Output modules with corresponding nominal attenuation values During amplifier adjustment the plug in unit position for output module must be equipped at least with the 0 dB module Set the mid stage slope of the amplifier according to the network plan calculation by means of the mid stage slope selection jumper Figure 4 pos 8 The available options are flat 0 dB or sloped 8 dB Set the output slope of the amplifier according to the network plan calculation by means of cable simulator Figure 4 pos 6 The output level of the amplifier is adjusted with the variable input attenuator Figure 4 pos 4 Measurements on the output are made at the 20 dB output test point Figure 4 pos 10 Make final adjustment of the output slope with the variable input equaliser Figure 4 pos 5 If you are having trouble obtaining the expected output level then check the input test point Figure 4 pos 2 to verify that the level is as expected at the input of t
4. surge and ESD protection Caution Services and repairs should only be carried out by authorised personnel Do not touch live parts The amplifier has no separate power switch thus the power plug must be easily accessible The power must be cut when installing or removing the amplifier The amplifier must not be operated without its Standard fitted power supply unit protection cover The lid must be closed A User Manual CXE180 59300401 Rev 001 26 5 2010 4 12 Technical specifications Downstream signal path all values with the diplex filters Frequency range 47 54 70 85 108 1006 MHz Return loss 18 dB Gain 40 0 dB Input attenuator control range 0 15 dB 1 dB Input equaliser control range 0 20 dB 2 dB Cable simulator 0 8 dB Mid stage slope 0 dB 8 dB Mid stage gain selection 40 0 dB 32 0 dB Flatness 0 5 dB Noise figure 7 0 dB Output level CTB CENELEC 42 ch 112 0 dBuV Output level CSO CENELEC 42 ch 114 0 dBuV Output level XMOD CENELEC 42 ch 111 0 dBuV Upstream signal path return module and diplex filters are installed into the CXE202 Frequency range 5 30 42 50 65 85 MHzMHz Return loss 18 dB Gain 28 0 dB Gain control range output 0 15 dB 1 dB Gain control range input 0 10 dB Slope control range 0 15 dB 1 dB Flatness 0 75 dB Noise figure 5 0 dB Output level DIN 45004B 11
5. 4 0 dBuV General Power consumption 14 W Supply voltage 26 65 V AC 180 255 V AC Maximum current feed through 3 0 A port Input Output connectors PG11 several adaptors available Test point connectors F female 20 dB Dimensions h x w x d 140 148 mm x 182 210 mm x 84 mm Weight 1 5 kg Operating temperature 40 55 C Class of enclosure IP54 EMC EN 60728 2 Additional EMC tests for RF ports ESD 4 KV Surge 4 kV All specifications are subject to change without notice TELESTE User Manual CXE180 59300401 Rev 001 26 5 2010 5 12 Block diagram Flat High gain Sloped Li Q Low gain TP 20dB AC TELESTE User Manual CXE180 59300401 Rev 001 26 5 2010 6 12 Installation Housing Interfaces The amplifier can be installed either into a street cabinet or to outdoor environment The amplifier should be installed in a vertical position so that the external cable connectors are underneath At least 100 mm of free space should be left above the amplifier to ensure sufficient cooling air circulation The class of enclosure is IP54 Note used connector type might have lower IP classification than the amplifier housing The cover of the housing is closed by a single bolt There are no hinges Open cover is to be removed completely When closing the cover use a PZD 2 screwdriver to tighten the bolt to a torque of 2 5 3 5 Nm To ground the amplifier hous
6. Electronic Equipment WEEE The unit must be recycled or discarded according to applicable local and national regulations eem European Conformity This equipment conforms to all applicable regulations and directives C of European Union which concern it and has gone through relevant conformity assessment procedures Teleste Corporation P O Box 323 FI 20101 Turku FINLAND www teleste com
7. TELESTE User Manual CXE180 59300401 Rev 001 26 5 2010 1 12 CXE Series User Manual Teleste Corporation CXE180 Universal amplifier TELESTE User Manual CXE180 59300401 Rev 001 26 5 2010 2 12 Contents Intro d In ET A Technical specifications 22222264 rns erna 4 Block diagr EE ENE 5 CIE dE 6 qx TTT 6 Interfaces iiaaaanaaxaaaaaaasnnannanannannnnnnnnnanunnnnnnnnnanunnnnnnnnnanusnnnnnnnnanusnnnannnnanusunia 6 Powering R 7 Front pDanel cceceeeeseccececeeeeeeeacaeceeeceeesecaaeaeceseeesesaaaeaeeeeeeeseceeaeeeeeeeeesecsecaeeneees 8 Jump settings EE 9 TO du 10 Downstream signal pati essiri aaisa ad a la Aa saa A 10 Upstream signal e TT 11 Legal declarati nS sista ia isl stan a vi a a ina B a la ER Ee Ee 12 TELESTE User Manual 59300401 26 5 2010 CXE180 Rev 001 3 12 Introduction CXE180 is a compact dual output amplifier It has two gain modes in one product Gain can be selected on the field according to wanted operation Higher gain 40 dB is designed for distribution purposes and lower gain 32 dB is suitable for line extender use CXE180 house distribution amplifier supports 1 GHz frequency range in the downstream and up to 85 MHz in the upstream Adjustments use electrical controls thus eliminating the need of the usual plug in attenuators in the system set up Other standard features include reliable power supply built in US amplifier as well as an efficient
8. gress blocker It blocks out the lowest frequency band 5 18 MHz If return path is not used at all diplex filters can be replaced by forward path jumpers CXF000 The return path adjustment is based on unity gain principle such that the return path gain of the amplifier exactly matches the loss of the cable following it i e cable span toward the headend Connect measuring equipment where the return path ends normally at the Head End HE or at Hub Start adjustment with the first amplifier nearest to the headend The upstream signal path requires a specific signal level for proper operation The ideal level at the amplifier is based on the incoming power and the maximum loss through which that signal must travel on its way to the amplifier A typical channel level at the return path input is in range of 60 75 dBuV Inject a test signal of known power to the output test point Figure 4 pos 10 The output test point can be used as an injection point for return path test signal Measure the output level at the headend Adjust the gain Figure 4 pos 16 and the slope Figure 4 pos 15 of the amplifier until the target level is produced Maximum control range for the return path slope is 15 dB The adjustment range for return path gain is 15 dB In the case of high input level it is recommended that the return path input attenuator is in 10 dB mode Figure 4 pos 14 Thus it is possible to achieve higher attenuation with a maximum amount
9. he amplifier The mid stage gain selection jumper Figure 4 pos 7 can be used to reduce gain with 8 dB if input levels are enough to cause a high distortion level in the input amplifier The output stage uses a GaAs hybrid to improve RF performance over the entire 47 to 1006 MHz passband The output ports through the use of passive plug in output modules Fig 4 pos 11 can be set up for a variety of output configurations Refer to Table 1 Output modules with corresponding nominal attenuation values Module Functionality Output 1 Output 2 AC6120 0 dB output module 1 output in use 0 dB not used _AC6112 1 12 dB tap 2 outputsinuse 1dB 12dB AC6116 1 16 dB tap 2 outputs in use 1 dB 16 dB AC6119 1 20 dB tap 2 outputs in use 1 dB 20 dB AC6124 Two way splitter 2 outputs in use 4 dB 4 dB AC6128 2 9 dB tap 2 outputs in use 2 dB 9 dB Table 1 Output modules with corresponding nominal attenuation values TELESTE User Manual CXE180 59300401 Rev 001 26 5 2010 11 12 Upstream signal path Optional return path operation needs plug in diplex filters Figure 4 pos 3 and 9 The available diplex filter types are CXF030 30 47 MHz CXF042 42 54 MHz CXF050 50 70 MHz CXF065 65 85 MHz and CXF085 85 108 MHz It is also possible to use special diplex filter of type CXF065 18 in the output diplex filter plug in Figure 4 pos 9 CXF065 18 is a combined diplex filter and in
10. ing connect at least 4 mm grounding wire Cu from a proper earth to the grounding point NOTE Make sure the input attenuator adjustment Figure 4 pos 5 is at its minimum level before connecting power to the amplifier 8910044 148 ver IVV Figure 1 CXE180 amplifier 1 Input 2 Ground 3 Output port 2 4 Output port 1 Underneath the CXE180 amplifier there are three cable connection points input and two outputs The amount and function of actual connectors varies with the chosen configuration All coaxial connection points have a standard PG11 thread and they accept a KDC type adapter or connector Available connector types are F IEC PG11 5 8 and 3 5 12 8905010 26 0 280 mm 1 D Ti Dm maximum Figure 2 Centre conductor length TELESTE User Manual CXE180 59300401 Rev 001 26 5 2010 7 12 Powering The supply voltage of the remote powered amplifier 26 65 V AC can be fed through either f the output ports Figure 1 pos 3 amp 4 or the input port Figure 1 pos 1 Make sure the remote powering jumpers Figure 4 pos 20 amp 21 are in the correct positions for remote powering Refer to chapter Jumper settings External power can also be fed through the amplifier into the network by moving remote powering jumpers of the output po
11. rts to on position Maximum feed through current is 3 A per port 6 A total When F connector is used a remote current should be lower than 2 A Note that the external wiring connected to terminals that are hazardous live requires installation by an instructed person Because the amplifier is not equipped with an all pole mains switch the powering shall be carried out in accordance with all applicable installation rules The power intake of the remote powered amplifier may also be done externally via the cable feed through that is located on the upper right corner of the amplifier see Figure 3 The protective fuse is located on the left hand side of the power supply board 8907016 Figure 3 Remote cable connector The locally powered CXE180 amplifier is connected to the main voltage of 180 255 V AC via its own power cord The power supply is double shielded and does not require separate grounding However the amplifier housing has to be grounded from the grounding point The supply voltage fuse 13 15 A 250 V is located on the upper right corner of the amplifier underneath the remote cable connector Figure 3 User Manual CXE180 59300401 Rev 001 26 5 2010 8 12 Front panel 8910051 filter e FR 5880C 124 002 1 2 3 4 5 6 7 8 9 diplex input output sj attenuator 15 7 11 3 S e flat 8dB output input TP 20 dB input D 4 8 equaliser
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