Keysight Multi-Channel Attenuation Control Unit:
Contents
1. 578 1 10X6 CONNECTOR L PROTRUSION 425 6 88 3 oe 9990909090900 L SMA CONNECTOR 9X 34 2 AT 10 PLACES 40x 49 5 Figure 3 4 Mechanical dimensions of the J7205A B with SMA connector 36 Keysight J7204 5 A B Operating and Service Manual Environmental Specifications Specifications 3 The J7204 5 A B is designed to fully comply with Keysight Technologies s product operating environment specifications The following table shows the summarized environmental specifications for this product Table 3 4 J7204 5 A B environmental specifications Temperature Operating 0 to 55 C Storage 40 C to 70 C Vibration Operating random 5 to 500 Hz 0 21 g RMS Survival random 5 to 500 Hz 2 09 g RMS Survival swept sine Shock End user handling ransportation Humidity Operating Storage Altitude Operating Storage ESD immunity Direct discharge Air discharge ol Hz to 500 Hz to 5 Hz 0 5 g Delta V 1 6 m s duration 3 ms 11 34 m 27 22 kg 3 9596 Relative Humidity 9096 RH at 65 C 24 ho 0 G delta V 6 76 m s RH at 40 C 5 day cycles urs 2000 meters 6561 feet 4572 meters 15000 fee t 4 kV per IEC EN61000 4 2 8 kV per IEC EN61000 4 2 Keysight J7204 5 A B Operating and Service Manual 37 3 38 Specifications THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK Keysight J7204 5 A B Operating and Se2. i worscchannel Attenuation Control Unit Saar 1 ile View Utility Help 37204x 5x Multi Channel Attenuation Control Unit s 2 Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 dB A dB A dB a dB A EE 3 Step Size dB Step Size dB Step Size dB Step Size dB Step Size dB e 1i 5 10 91 5 10 e 1 5 10 e 1i 5 10 91 5 10 Atten dB Atten dB Atten dB Atten dB Atten dB Set 4 TCPIPO A JT205A 30120 INSTR Connected Figure 4 4 J7205x main SFP interface Table 4 1 Overview of the main SFP interface No Item Description The File menu consists of the following functions Connect Opens the Connect To Instrument window This window also appears when you launch the SFP Exit Exits the SFP The View menu consists of the following function Refresh Refreshes the SFP The Utility menu consists of the following functions 1 Menu bar y 9 Driver Call Log Opens the Driver Log window Reset Resets the J7205x to its factory default settings Error Opens the Errors window The Help menu consists of the following functions Help Contents Opens the help file Online Support Opens the J7204x 5x product website About Opens the SFP and J7205x information window 2 Refresh button Refreshes the SFP when this button is clicked 44 Keysight J7204 5 A B Operating and Service Manual Operating Guide 4 Table 4 1 Overview of the main SFP interface No Item Descrip
3. SRE STB TRG TST WAI Keysight J7204 5 A B Operating and Service Manual 61 4 Operating Guide Table 4 2 J7204 5 A B SCPI commands continued Subsystem Command GPIB ADDRess lt address gt System related commands SYSTem COMMunicate SYSTem COMMunicate SYSTem SYSTem SYSTem SYSTem SYSTem SYSTem SYSTem SYSTem SYSTem SYSTem SYSTem SYSTem SYSTem COMMunicate COMMunicate COMMunicate COMMunicate COMMunicate COMMunicate COMMunicate COMMunicate COMMunicate COMMunicate COMMunicate COMMunicate COMMunicate GPIB ADDRess LAN LAN LAN LAN LAN LAN LAN LAN LAN LAN LAN LAN LAN AUTOip OFF ON 1 AUTOip DHCP OFF 0 ON 1 DHCP DNS lt address gt DNS DOMain name DOMain CURRent STATic GATEway address GATEway CURRent STATic HOSTname CURRent STATic IPADdress lt address gt IPADdress CURRent STATic 62 Keysight J7204 5 A B Operating and Service Manual Operating Guide Service and Maintenance Service The J7204 5 A B does not have internal adjustments and should not be opened it should only be repaired by service trained personnel Should it become necessary to return the J7204 5 A B for repair or service contact your nearest Keysight Sales and Service Center Maintenance The connectors of the J7204 5 A B particularly the connector faces must be kept
4. 2111 The example returned value is 0 1 0 0 1 1 0 1 The attenuation level of 49 dB for Channel 5 is listed as follows Channel Section list Returned value Attenuation dB 2125 0 1 2121 1 0 2122 0 4 2120 0 4 1 2116 1 0 2112 1 0 2113 0 40 2111 1 0 56 Keysight J7204 5 A B Operating and Service Manual To query the cycle count Operating Guide The following query is used to obtain the cycle count of the J7204 5 A B Syntax DIAGnostic RELay CYCLes lt sec_list gt Parameter 4 The following table provides the section list for each channel of the J7204 5 A B Attenuation dB Section list 0 Atten 1 Thru 1101 i 1102 2 1103 4 1104 4 i 1 1105 10 j 1106 20 1107 40 i 1108 40 1121 1122 2 1123 4 1124 4 2 1125 10 1126 20 1127 40 3 1128 40 Keysight J7204 5 A B Operating and Service Manual 57 4 Operating Guide Attenuation dB Section list 0 Atten 1 Thru 1141 1 0 1142 2 0 1143 4 0 1144 4 0 1145 10 0 1146 20 0 1147 40 0 1148 40 0 1161 0 1162 2 0 1163 4 0 1164 4 0 i 1165 10 0 1166 20 0 1167 40 0 1168 40 0 2125 0 2121 2 0 2122 4 0 2120 4 0 i 2116 10 0 2112 20 0 2113 40 0 2111 40 0 NOTE This query is not applicable for Channel 5 58 Keysight J7204 5 A B Operating and Service Manua
5. Agilent Technologies I Model L4490A Serial Number MY55030120 View Instrument Information Online Firmware Version 2 49 2 43 0 00 0 00 Connection Strings VISA Addresses Send Commands To This Instrument Gp1B1 9 INSTR Start IO Monitor VISA Aliases Add or Change Aliases No VISA aliases configured SICL Addresses Figure 4 10 GPIB instrument added 52 Keysight J7204 5 A B Operating and Service Manual Operating Guide 4 Programming Guide SCPI command syntax The following conventions are used for SCPI command syntax for remote interface programming Square brackets indicate optional keywords or parameters Braces enclose parameter choices within a command string Angle brackets enclose parameters for which you must specify a value A vertical bar separates multiple parameters Commands relevant to the J7204 5 A B To set the attenuation level The following command is used to set the attenuation level of the J7204 5 A B Syntax ROUTe SEQuence TRIGger ATTEN X Y Z Parameter ATTEN X Y Z a X attenuator channel number b Y attenuator selection each channel consists of one 11 dB and 110 dB attenuator pair i 1 11 dB attenuator in 1 dB step ii 2 110GB attenuator in 10 dB step c Z attenuation value i 0 dB attenuation ii 80 8 dB attenuation iii 100 100 dB attenuation Keysight J7204 5 A B Operating and Service Manual 53 4 Operating Gu
6. Because of the installation procedure less memory may be required for operation than is required for installation b Version 16 0 or later of the Keysight IO Libraries Suite is required 24 Keysight J7204 5 A B Operating and Service Manual Installation 2 Software Installation The J7204 5 A B software is located on the J720xA B Product Software and Information CD J7205 10002 This software is also available for download at www keysight com find attenuators The Keysight IO Libraries Suite which includes the Keysight Connection Expert is located on the Keysight IO Libraries Suite CD E2094 60003 The software installation includes the following items Keysight IO Libraries Suite Soft front panel SFP software and related user documentation for the J7204 5 A B Use the following procedure to install the software 1 From the Keysight IO Libraries Suite CD E2094 60003 browser launch the installer Follow the installer prompts to install the IO Libraries Suite 3 From the J720xA B Product Software and Information CD J7205 10002 browser launch the installer 4 Follow the installer prompts to install all software and documentation for the J7204 5 A B Keysight J7204 5 A B Operating and Service Manual 25 2 Installation Operating and Safety Precautions 26 Observe the following guidelines before connecting or operating the J7204 5 A B attenuation control unit For further safety information
7. clean Keysight recommends that the connectors be periodically inspected and cleaned if necessary For instructions on the connection and maintenance of your connectors refer to the Connector Care Quick Reference Card 08510 90360 Keysight J7204 5 A B Operating and Service Manual 63 4 4 Operating Guide THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK 64 Keysight J7204 5 A B Operating and Service Manual KEYSIGHT TECHNOLOGIES This information is subject to change without notice Always refer to the English version at the Keysight website for the latest revision Keysight Technologies 2015 Edition 1 Sept 17 2015 TIT Printed in Malaysia TRAN J7205 90002 www keysight com
8. 2 Verify the J7204 5 A B Shipment Contents 005 23 Service and Recalibration 0 00 0 ccs 29 Related Documentation 0 2c 23 Syst m REQUIEMEN S 4545444544 9902 33 39 9399 0 R8 2 8 c6 gees d a ad 24 Software Installation audae eb erba OR ERR C tht RR RO 25 Operating and Safety Precautions 0 000 eee eee 26 zcRD 2 d CODCTT L es 26 Connector care and cleaning precautions 0000 26 Specifications Keysight J7204 5 A B Operating and Service Manual 9 General Specifications asexsnseesdac ds esa vun eV cd ood wees 30 SDSDINESUONS 2y lic pees nes PrREPRRRPXE ENSE cape qur 30 Power r eguirem ntS inci ic ities haa AeA a GC RC d 31 Physical specifications 1444544 n eee rhs CHG p ur hi edat oed 32 Mechanical DIMENSIONS xiu x d ARR ce RR RR RC eae ae SCC exe 33 Environmental Specifications 20 0 eee eee 37 Operating Guide Operating IAStrUCtHIONS cuetere tex heed ibe Posse bed dedere deed 40 lois gie o ann 4k 64 he SdEESERESEA AMADA SAAR ROKR ERA 40 Getting Started with the Soft Front Panel SFP 0 43 Controlling the J7204 5 A B Attenuation Control Unit 49 Controlling the J7204 5 A B and making measurements 49 LAN GCONNECHOM MTM 49 GPIB COMMECUON aud au d di Eben EUER D E acd iaaa a ia debo 52 Programming Guide sss eccesso tC iori a n 53 SCPI command Syntax inrete e Let d d adio Caec edere 53 Command
9. 3 a Only available with purchase of Option UK6 Service and Recalibration If your J7204 5 A B requires service or repair contact the nearest Keysight office for information on where to send it Refer to Sales and Technical Support on page 7 of this manual The performance of the J7204 5 A B can only be verified by specially manufactured equipment and calibration standard from Keysight The recommended interval for recalibration is 12 months Related Documentation This Operating and Service Manual and the Keysight J7204 5 A B Attenuation Control Unit Soft Front Panel can be located on the product CD that is shipped with the product They are also available at www keysight com find attenuators Keysight J7204 5 A B Operating and Service Manual 23 2 Installation System Requirements Prior to any installation or configuration ensure that the following system requirements are met Windows 7 32 bit and 64 bit Starter Home Basic Home Premium Professional Ultimate Enterprise 1 GHz 32 bit x86 Processor speed 1 GHz 64 bit x64 no support for Itanium 64 Operating system Available memory 1 GB minimum 1 5 GB includes 1 GB for Microsoft NET Framework 3 5 SP1 100 MB for Keysight IO Libraries Suite Support for DirectX 9 graphics with 128 MB graphics memory recommended Super VGA graphics supported Available hard disk space Video Browser Microsoft Internet Explorer 7 or higher a
10. EPARATE AGREEME Safety CAUTION A CAUTION notice denotes a hazard It calls attention to an operating proce dure practice or the like that if not correctly performed or adhered to could result in damage to the product or loss of important data Do not pro ceed beyond a CAUTION notice until the indicated conditions are fully understood and met A WARNING notice denotes a hazard It calls attention to an operating proce dure practice or the like that if not correctly performed or adhered to could result in personal injury or death Do not proceed beyond a WARNING notice until the indicated conditions are fully understood and met Keysight J7204 5 A B Operating and Service Manual Safety Symbols The following symbols on the instrument and in the documentation indicate precautions which must be taken to maintain safe operation of the instrument A information Frame or chassis groun Protective conductor te Caution risk of danger refer to this manual for specific Warning or Caution d terminal minal Power line switch is in the STANDBY position C2 Alternating current j Keysight J7204 5 A B Operating and Service Manual Safety Considerations Read the information below before using this instrument The following general safety precautions must be observed during all ph
11. Service Manual Installation 2 Gage connectors periodically This not only provides assurance of proper mechanical tolerances and thus connector performance but can also indicate situations where the potential for damage to another connector may exist The J7204 5 A B can be damaged if excessive torque is applied to the CAUTION connectors The recommended torque value is 8 lb in torque for SMA and 12 lb in torque for N type WARNING To prevent electrical shock disconnect the instrument from the mains electrical supply before cleaning Use a dry cloth or one slightly dampened with water to clean the external case parts Do not attempt to clean internally Keysight J7204 5 A B Operating and Service Manual 27 2 Installation THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK 28 Keysight J7204 5 A B Operating and Service Manual Keysight J7204 5 A B Attenuation Control Unit Operating and Service Manual opecifications General Specifications 30 Mechanical Dimensions 33 Environmental Specifications 37 This chapter provides the specifications of the J7204 5 A B Attenuation Control Unit KEYSIGHT TECHNOLOGIES 29 3 Specifications General Specifications NOTE The J7204 5 A B s performance is specified for a standalone instrument CAUTION The J7204 5 A B has an autoranging line voltage input Be sure the supply voltage is within the specified range Specifications Specifications refer to the perfor
12. UL Y mI mm Tl MM UAM CN UM CM Org LS eu nikon ame sree Rae i Keysight Multi Channel Attenuation Control Unit J7204A 4 channel DC to 6 GHz J7204B 4 channel DC to 18 GHz J7205A 5 channel DC to 6 GHz J7205B 5 channel DC to 18 GHz AH HH LHEEEEEEE ELT z MM Operating and KEYSIGHT Service Manual TECHNOLOGIES Notices Copyright Notice Keysight Technologies 2015 o part of this manual may be repro duced in any form or by any means including electronic storage and retrieval or translation into a foreign anguage without prior agreement and written consent from Keysight Technol ogies as governed by United States and international copyright laws anual Part Number J7205 90002 Edition Edition 1 Sept 17 2015 Printed in Printed in Malaysia Published by Keysight Technologies Bayan Lepas Free Industrial Zone 1900 Penang Malaysia Technology Licenses The hardware and or software described in this document are fur nished under a license and may be used or copied only in accordance with the terms of such license Declaration of Conformity Declarations of Conformity for this product and for other Keysight prod ucts may be downloaded from the Web Go to http www keysight com go conformity You can then search by product number to find the latest Dec laration of Conformity U S Government Rights The So
13. ases of operation service and repair of this instrument Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards for design manufacture and intended use of the instrument Keysight Technologies assumes no liability for the customer s failure to comply with these requirements Safety earth ground This is a Safety Class Product provided with a protective earthing ground incorporated in the power cord The mains plug shall be only be inserted in a socket outlet provided with a protective earth contact Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous Intentional interruption is prohibited Always use the 3 prong AC power cord supplied with this product Failure to ensure adequate earth grounding by not using this cord may cause product damage and the risk of electrical shock Before applying power Verify that the premises electrical supply is within the range of the instrument The instrument has an autoranging power supply lf this instrument is not used as specified the protection provided by the instrument could be impaired This instrument must be used in a normal condition in which all means for protection are intact only Servicing should only be performed by qualified personnel only To avoid electrical shock do not perform any servicing unless you are qualified to do so Keysig
14. der Operator s check on page 40 If the contents are damaged or defective contact your nearest Keysight Technologies Service and Support Office Refer to Sales and Technical Support on page 7 of this manual Keysight Technologies will arrange for repair or replacement of the damaged or defective equipment Keep the shipping materials for the carrier s inspection If you are returning the instrument under warranty or for service repackaging the instrument requires original shipping containers and material or their equivalents Keysight Technologies can provide packaging materials identical to the original materials Refer to Sales and Technical Support on page 7 of this manual for the Keysight Technologies nearest to you Attach a tag indicating the type of service required return address model number and serial number Mark the container FRAGILE to insure careful handling In any correspondence refer to the instrument by model number and serial number Keysight J7204 5 A B Operating and Service Manual Installation 2 Verify the J7204 5 A B Shipment Contents The following table lists the items that are shipped with the J7204 5 A B Table 2 1 J7204 5 A B shipment contents Quantity Description Part number 1 Certificate of Calibration 5962 0476 1 CD ROM IO Libraries Media Suite E2094 60003 1 English Product Software and Information CD CD ROM J7205 10002 1 CD ROM Commercial Calibration Data UK6 J7205 1000
15. e Delete User Added Connections Send Commands To This Instrument Start IO Monitor Add or Change Aliases NOTE The Keysight Connection Expert window will display the L4490A as the J7204 5 A B is made up of the L4490 styled standard Keysight chassis Keysight J7204 5 A B Operating and Service Manual 51 4 Operating Guide GPIB connection Programming access to the J7204 5 A B is also available via its GPIB interface The GPIB connector is located at the rear panel of the J7204 5 A B 1 Run the Keysight Connection Expert from the desktop icon or from Start gt All Programs Keysight Connection Expert 2 Usethe Connectivity Expert utility of the Keysight IO Libraries Suite to add the J7204 5 A B and verify the connection 3 Toadd an instrument select Manual Configuration and then Add New Instrument Interfaces and choose the GPIB instrument from the list on the left 4 Enter the GPIB address and click Accept The J7204 5 A B is shipped from the factory with a default GPIB address of 9 factory default setting 5 The J7204 5 A B is now added as shown in Figure 4 10 on page 52 Keysight Connection Expert T1 SEE Instruments PXI AXIe Chassis Manual Configuration Settings DX Rescan Filter Instruments Clear L4490A Agilent Technologies Details for Agilent Technologies L4490A Switch Platform o EE L4490A 2U RF Microwave Switch Platform EDD RSE UU LS Oa edes E E AGENS roe ea ANB RU GPIB1 9 INSTR i Manufacturer
16. ents PXI AXIe Chassis Manual Configuration Settings Add New Instruments Interfaces Edit Existing Instruments Interfaces LAN instrument Adda LAN device GPIB instrument Serial instrument on ASRL3 Set LAN Address Serial instrument on ASRL4 LAN interface Hostname or IP Address A 37205a 3012d Remote USB interface ic TCPIP Interface ID TCPIPO Remote serial instrument Remote GPIB interface Set Protocol Instrument Remote Name insto Socket Port Number 5025 HiSLIP Remote Name hislipo Verify Connection Allow IDN Query Test This VISA Address TCPIP0 A J7205a 30120 instO INSTR View Weh Pane Accept Cancel Figure 4 8 Add LAN instrument 5 The J7204 5 A B is now added as shown in Figure 4 9 on page 51 50 Keysight J7204 5 A B Operating and Service Manual Keysight Connection Expert Instruments PXI AXIe Chassis Manual Configuration Settings Operating Guide o Rescan Filter Instruments Clear L4490A Agilent Technologies Details for Agilent Technologies L4490A Switch Platform o GED L4490A 2U RF Microwave Switch Platform TCPIP0 A J7205A 30120 instO0 INSTR Manufacturer Agilent Technologies Model L4490A Serial Number MY55030120 Firmware Version 2 49 2 43 0 00 0 00 Connection Strings VISA Addresses 1cP1P0 4 1772054 30120 instO INSTR VISA Aliases No VISA aliases configured SICL Addresses Figure 4 9 LAN instrument added View Instrument Information Online Start Instrument Web Interfac
17. ftware is commercial computer software as defined by Federal Acqui sition Regulation FAR 2 101 Pursu ant to FAR 12 212 and 27 405 3 and Department of Defense FAR Supple ment DFARS 227 7202 the U S government acquires commercial com puter software under the same terms by which the software is customarily provided to the public Accordingly Keysight provides the Software to U S government customers under its stan dard commercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find sweula The license set forth in the EULA represents the exclusive authority by which the U S government may use modify distribute or disclose the Soft ware The EULA and the license set forth therein does not require or per mit among other things that Keysight 1 Furnish technical information related to commercial computer soft ware or commercial computer software documentation that is not customarily provided to the public or 2 Relinquish to or otherwise provide the govern ment rights in excess of these rights customarily provided to the public to use modify reproduce release per form display or disclose commercial computer software or commercial com puter software documentation No additional government requirements beyond those set forth in the EULA shall apply except to the extent that those terms rights or licenses are ex
18. ht J7204 5 A B Operating and Service Manual Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended Discard used batteries according to manufacturer s instructions For continued protection against fire hazard replace the line fuse only with the same type and rating The use of other fuses or material is prohibited The opening of covers or removal of parts is likely to expose the user to dangerous voltages Disconnect the instrument from all voltage sources before opening No operator serviceable parts inside Refer servicing to qualified personnel To prevent electrical shock do not remove covers The detachable power cord is the instrument disconnecting device It disconnects the mains circuits from the mains supply before other parts of the instrument The front panel button is only a standby switch and is not a LINE switch disconnecting device The mains wiring and connectors shall be compatible with the connector used in the premise electrical system Failure to ensure adequate earth grounding by not using the correct components may cause instrument damage and serious injury This instrument is designed for use in Installation Category Il and Pollution Degree 2 Before switching on this instrument make sure the supply voltage is in the specified range Verify that the premise electrical voltage supply is within the range specified on the instrument Venti
19. ide Example a If you want an 8 dB attenuation at Channel 3 Execute the command ROUT SEQ TRIG ATTEN 3 1 8 b Ifyou want a 75 dB attenuation at Channel 5 Execute the command ROUT SEQ TRIG ATTEN 5 1 5 and ATTEN 5 2 70 To query the attenuation level The following query is used to obtain the attenuation level of the J7204 5 A B Syntax ROUTe CLOSe Msec list Parameter The following table provides the section list for each channel of the J7204 5 A B Attenuation dB Channel Section list TERA 1 thru 1101 0 1102 2 0 1103 4 0 1104 4 0 1105 10 0 1106 20 0 1107 40 0 1108 40 0 54 Keysight J7204 5 A B Operating and Service Manual Operating Guide Attenuation dB Section list 0 Atten 1 Thru 1121 1122 2 Y 1123 4 1124 4 2 1125 10 1126 20 i 1127 40 1128 40 1141 i 1142 2 1143 4 1144 4 3 1145 10 i 1146 20 1147 40 1148 40 1161 1162 2 1163 4 1164 4 4 1165 10 1166 20 y 1167 40 i 1168 40 Keysight J7204 5 A B Operating and Service Manual 4 55 4 Operating Guide Meses Attenuation dB 0 Atten 1 Thru 2125 1 0 2121 2 0 2122 4 0 2120 4 0 2116 10 0 2112 20 0 2113 40 0 2111 40 0 Example If you want to query the attenuation level for Channel 5 Execute the command ROUT CLOS 2125 2121 2122 2120 2116 2112 2113
20. ions Physical specifications Table 3 3 Physical specifications of the J7204 5 A B Specifications J7204A J7204B J7205A J7205B Net weight 11 kg 11 kg 11 5 kg 11 5 kg Shipping weight 17 kg 17 kg 17 5 kg 17 5 kg Shipping dimensions Length 770 mm 770 mm 770 mm 770 mm Width 620 mm 620 mm 620 mm 620 mm Height 390 mm 390 mm 390 mm 390 mm 32 Keysight J7204 5 A B Operating and Service Manual Specifications 3 Mechanical Dimensions p 8X 23 0 CONNECTOR PROTRUSION 88 3 9e 90e 0699969 t 7X342 8x195 TYPE N CONNECTOR AT 8 PLACES Figure 3 1 Mechanical dimensions of the J7204A B with Type N connector Keysight J7204 5 A B Operating and Service Manual 33 3 Specifications 578 1 8X6 CONNECTOR LPROTRUSION SMA CONNECTOR AT 8 PLACES 8xXT9 Se Figure 3 2 Mechanical dimensions of the J7204A B with SMA connector 34 Keysight J7204 5 A B Operating and Service Manual Specifications p 10x23 CONNECTOR PROTRUSION 88 3 1 000000008 il TYPE N CONNECTOR 9X 34 2 AT 10 PLACES 10X19 5 Figure 3 3 Mechanical dimensions of the J7205A B with Type N connector Keysight J7204 5 A B Operating and Service Manual 35 Specifications
21. isconnects the mains circuits from the mains supply before other parts of the instrument The front panel switch is only a standby switch and is not a LINE switch Alternatively an externally installed switch or circuit breaker which is readily identifiable and is easily reached by the operator may be used as a disconnecting device Line input CAUTION Always use the 3 prong AC power cord supplied with the J7204 5 A B Failure to ensure adequate grounding by not using this cord may cause damage to the J7204 5 A B 20 Keysight J7204 5 A B Operating and Service Manual Keysight J7204 5 A B Attenuation Control Unit Operating and Service Manual Installation Initial inspection 22 Verify the J7204 5 A B Shipment Contents 23 Service and Recalibration 23 Related Documentation 23 System Requirements 24 Software Installation 25 Operating and Safety Precautions 26 This chapter provides you important information on how to check and prepare your instrument for operation KEYSIGHT TECHNOLOGIES 21 2 Installation Initial Inspection 22 1 Unpack and inspect the shipping container and its contents throughly to ensure that nothing was damaged during shipment If the shipping container or cushioning material is damaged the contents should be checked both mechanically and electrically Check for mechanical damage such as scratches or dents Procedures for checking electrical performance are given un
22. l To clear cycle count Operating Guide The following command is used to clear cycle count of the J7204 5 A B Syntax DIAGnostic RELay CYCLes CLEar lt sec_list gt Parameter 4 The following table provides the section list for each channel of the J7204 5 A B Attenuation dB Section list 0 Atten 1 Thru 1101 i 1102 2 1103 4 1104 4 i 1 1105 10 j 1106 20 1107 40 i 1108 40 1121 1122 2 1123 4 1124 4 2 1125 10 1126 20 1127 40 3 1128 40 Keysight J7204 5 A B Operating and Service Manual 59 4 Operating Guide Attenuation dB Section list 0 Atten 1 Thru 1141 1 0 1142 2 0 1143 4 0 1144 4 0 1145 10 0 1146 20 0 1147 40 0 1148 40 0 1161 0 1162 2 0 1163 4 0 1164 0 1165 10 0 1166 20 0 1167 40 0 1168 40 0 2125 0 2121 2 0 2122 4 0 2120 4 0 2116 10 0 2112 20 0 2113 40 0 2111 40 0 This command is not applicable for Channel 5 NOTE d 60 Keysight J7204 5 A B Operating and Service Manual Operating Guide 4 J7204 5 A B SCPI commands The following table lists the SCPI commands that apply to the J7204 5 A B Table 4 2 J7204 5 A B SCPI commands Subsystem Command CLS ESE enable value ESE ESR IDN OPC OPC IEEE 488 commands RST SRE enable value
23. lation Requirements When installing the instrument in a cabinet the convection into and out of the instrument must not be restricted The ambient temperature outside the cabinet must be less than the maximum operating temperature of the instrument by 4 C for every 100 watts dissipated in the cabinet If the total power dissipated in the cabinet is greater than 800 watts forced convection must be used Keysight J7204 5 A B Operating and Service Manual Regulatory Information Statement of compliance This instrument has been designed and tested in accordance with CAN CSA C22 2 No 61010 1 12 UL Std No 61010 1 3rd Edition Regulatory markings CE eX ICES NMB 001 ISM GRP 1 A MSIP REM Kst WNJ7205B j he CE mark is a registered trademark of the European Community This CE The CSA mark is a registered mark shows that the product complies SP trademark of the Canadian with all the relevant European Legal c US Standards Association Directives The RCM mark is a registered This symbol indicates the time rademark of the Spectrum ne period during which no hazardous or anagement Agency of Australia This toxic substance elements are signifies compliance with the Australia y expected to leak or deteriorate a e EMC Framework regulations under the M during normal use Forty years is the erms of the Radio Communication Act i of 1992 expected useful life of the product Thi
24. mance standards or limits against which the J7204 5 A B is tested Table 3 1 Specifications of the J7204 5 A B Specifications J7204 5A J7204 5B Frequency range DC to 6 GHz DC to 18 GHz Attenuation range Oto 121 dB 0 to 121 dB DC to 6 GHz 2 5 dB rtion t 0 dB nsertion loss at 0 dB 2 5 dB 6to 18 GHz 5 0 dB DC t Hz 14 dB 1 Return loss VSWR 14 dB 1 50 Metu ea 6 to 18 GHz 10 dB 1 90 RF repeatability per section 0 03 dB aximum input power 1 W 30 dBm aximum switching speed per channel 100 ms Operating life per section 5 million cycles Connectivity GPIB LAN Connector type SMA or Type N 30 Keysight J7204 5 A B Operating and Service Manual Specifications 3 Table 3 2 Attenuation accuracy of the J7204 5 A B Attenuation setting for step range dB DC to 6 GHz 6 to 18 GHz 1to2 0 3 0 7 3to4 0 4 0 7 5 to 6 0 5 0 8 7 to 10 0 6 0 8 11 to 20 0 7 14 21 to 40 1 2 2 0 41 to 60 1 8 2 8 61 to 80 2 4 3 6 81 to 100 3 0 4 4 101 to 121 33 53 Power requirements 100 to 240 VAC 50 60 Hz The instruments can operate with mains supply voltage fluctuations of up to 10 of the nominal voltage Air conditioning equipment or other motor operated equipment should not be placed on the same AC line that powers the J7204 5 A B The J7204 5 A B s maximum power is 50 W Keysight J7204 5 A B Operating and Service Manual 31 3 Specificat
25. nit is a slave instrument A controller must be used to control the J7204 5 A B There are two methods that can be used to control the J7204 5 A B Using LAN connection Using GPIB connection Once the connection between the controller and the J7204 5 A B has been established LAN or GPIB the J7204 5 A B can be controlled using SCPI commands LAN connection This section contains information to configure the J7204 5 A B using the Keysight IO Libraries Suite 1 Runthe Keysight Connection Expert from the desktop icon or from Start gt All Programs Keysight Connection Expert 2 Use the Connectivity Expert utility of the Keysight IO Libraries Suite to add the J7204 5 A B and verify the connection 3 Toaddan instrument select Manual Configuration and then Add New Instrument Interfaces and choose the LAN instrument from the list on the left as shown in Figure 4 8 on page 50 4 Enter the Hostname or IP Address and click Accept Forthe hostname The J7204 5 A B has a default hostname in the form of A J720xx XXXXX where J720xx is the model of the unit and XXXXX is the last five digits of the unit serial number For the IP address If there is no Dynamic Host Configuration Protocol DHCP server on the network the J7204 5 A B will try to acquire its default IP setting of 169 254 44 88 Keysight J7204 5 A B Operating and Service Manual 49 4 Operating Guide Keysight Connection Expert 6 cm Instrum
26. oft front panel provides an alternative virtual interface to control the J7204 5 A B Figure 1 1 J7204 5 A B attenuation control unit Keysight J7204 5 A B Operating and Service Manual Introduction 1 Key features of the J 204 5 A B attenuation control unit Exceptional 0 03 dB insertion loss repeatability per section for the entire 5 million cycles ensures accuracy and reduces calibration intervals Excellent attenuation accuracy and flatness ensure precise measurements Multi channel attenuation path up to five channels enable multi DUT measurements at one time LAN and GPIB interfaces with soft front panel provide easy connectivity programming flexibility and control Instrument options There are two connector options available for the J7204 5 A B as follows Table 1 1 J7204 5 A B connector options J7204A 001 Type N connector J7204A 002 SMA connector J7204B 001 Type N connector J7204B 002 SMA connector 7 J7205A 001 Type N connector J7205A 002 SMA connecto J72058 001 Type connector J7205B 002 SMA connecto Keysight J7204 5 A B Operating and Service Manual 17 1 Introduction Front and rear panel features This section provides an overview of the front and rear panels of the J7204 5 A B CAUTION Refer to the standard instrument documentation for damage limits to the ports Verify that your test setup will not cause those limits
27. perating Guide Click Connect to access the main interface of the selected J7204x or J7205x unit To select another unit to use when accessing the main interface click File gt Connect from the menu bar to open the Connect To Instrument window C Tooperate the J7204 5 A B On the J7204 5 A B main SFP interface as shown in Figure 4 5 i Under Step Size dB set the attenuation level in fixed step of 1 dB 5 dB or 10 dB ii Under Atten dB enter the attenuation value of O to 121 dB and click Set The value will be displayed on the above You can use the up down arrow keys to increase or decrease the value based on the step size you select file View Utility Help 37204x 5x Multi Channel Attenuation Control Unit Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 TE EO FD E Ee Step Size dB Step Size dB Step Size dB Step Size dB Step Size dB 1 5 10 o1 5 10 91 5 10 e1 5 10 91 5 10 Atten dB Atten dB Atten dB Atten dB Atten dB Set ls Set Set Set TCPIPO A J7205A 30120 INSTR Figure 4 5 J7204 5 A B main SFP interface d Toreset the J7204 5 A B On the main SFP interface as shown in Figure 4 5 click Utility gt Reset from the menu bar to reset the J7204x 5x to the attenuation default setting of 121 dB 46 Keysight J7204 5 A B Operating and Service Manual Operating Guide 4 e To view error conditions On the main SFP interface as shown in Figure 4 5 click Utility Error f
28. perating and Service Manual 41 4 42 Operating Guide File View Utility Help 37204x 5x Multi Channel Attenuation Control Unit l Channel 1 Channel 2 Channel 3 Channel 4 dB ma ma ma 12190 m ppm E Step Size dB Step Size dB Step Size dB Step Size dB 91 5 10 1 5 10 e1 5 10 91 5 10 Atten dB Atten dB Atten dB Atten dB Set lasataj Set Sok TCPIPO A J7205A 30120 INSTR Figure 4 2 Setting the attenuation value Keysight J7204 5 A B Operating and Service Manual Channel 5 Em Step Size dB 91 5 10 Atten dB Operating Guide 4 Getting Started with the Soft Front Panel SFP This section guides you through the SFP that provides an easy to use interface for controlling the J7204 5 A B 1 Referto Chapter 2 Software Installation to install the SFP 2 Launch the SFP software from the desktop by double clicking the SFP icon or from Start All Programs Keysight J720xx J720xx SFP 3 The SFP window will appear as shown below 37204x 5x Multi Channel Attenuation Control Unit J7204x 9 J7205x Communication Method GPIB Communication Info Library Interface Name Misa GPIBO 5 GPIB Address 1 v Connect Cancel Figure 4 3 J7204 5 A B SFP window 4 The main SFP interface for J7205x is shown in Figure 4 4 and described in Table 4 1 Keysight J7204 5 A B Operating and Service Manual 43 4 Operating Guide
29. plicitly required from all providers of commercial computer software pursu ant to the FAR and the DFARS and are set forth specifically in writing else where in the EULA Keysight shall be under no obligation to update revise or otherwise modify the Software With respect to any technical data as defined by FAR 2 101 pursuant to FAR 12 211 and 27 404 2 and DFARS 227 7102 the U S government acquires no greater than Limited Rights as defined in FAR 27 401 or DFAR 227 7103 5 c as applicable in any technical data ly THE MATERIAL CONTAINED IN THIS DOCUMENT IS PROVIDED AS IS AND IS SUBJECT TO BEING CHANGED WITHOUT NOTICE IN F EDITIONS FURTHER TO THE AXIMUM EXTENT PERMITTED BY APPLICABLE LAW KEYSIGHT DIS CLAIMS ALL WARRANTIES EITHER E E TH REGARD FORMA EIN INCLUD G BUT NOT LIMITED TO THE P S OF MER FITNESS FOR A OSE KEYSIGHT ABLE FOR ERRORS CIDENTAL OR CONSE GES IN CONNECTION SHING USE OR CE OF THIS DOCUMENT ATION CON SHOULD KEYSIGHT HAVE A SEPARATE E H WAR U T UO gt e Oo K Mer U e 7 On 2 zo TE mr E A zum mc O T SQQ Lm cad zIuou ES gt m m U Dreoms gt a gt d j m S RIAL IN THIS DOC CONFLICT WITH THESE TERMS THE WARRANTY TERMS IN THE S
30. reen LAN connection established PWR Green instrument has an IP address firmware download complete ATTN flashing i f Power on boot up ATTN and LAN will flash red and then green LA flashing during the power on self test PWR Green NT Off lo LA connection due to 7 A Red disconnected LAN cable PWR eras failure to acquire an IP address waiting for DHCP assigned address ATT Green flashing Instrument busy state LA Green firmware download LAN LED red if download over GPIB PWR Green lengthy instrument operation in progress ATT Red flashing A Gren Instrument programming error or self test error PWR m Error queue is read using SYSTem ERRor E E Instrument identification Activated from the instrument s Web AT Off A Green flashing e 3 ON Turn on the Front Panel Interface Indicator PWR Green OFF Turn off the Front Panel Interface Indicator Keysight J7204 5 A B Operating and Service Manual 19 1 Introduction Rear panel GPIB LAN Line input connector Figure 1 3 J7204 5 A B rear panel GPIB connector This connector allows the J7204 5 A B to be connected directly to a controller LAN The J7204 5 A B is controlled over the Local Area Network LAN The line input contains the power cord receptacle Install the J7204 5 A B so that the detachable power cord is readily identifiable and is easily reached The detachable power cord is the instrument disconnecting device It d
31. refer to Safety Considerations on page 4 ESD damage Protection against electrostatic discharge ESD is important while handling and operating the J7204 5 A B Static electricity can build up on your body and can easily damage sensitive components when discharged Static discharges too small to be felt can cause permanent damage to the unit To prevent damage from ESD Use a grounded antistatic mat in front of your test equipment and wear a grounded wrist strap attached to it when handling or operating the J7204 5 A B Wear a heel strap when working in an area with a conductive floor Ground yourself before you clean inspect or make a connection to the J7204 5 A B You can for example grasp the grounded outer shell of the analyzer test port or cable connector briefly Avoid touching the exposed connector pins Connector care and cleaning precautions Because connectors can become defective due to wear during normal use all connectors should be inspected and maintained to maximize their service life Inspect the mating surface each time a connection is made Metal particles from connector threads often find their way onto the mating surface when a connection is made or disconnected Clean dirt and contamination from the connector mating surface and threads This simple step can extend the service life of the connector and improve the quality of your calibration and measurements Keysight J7204 5 A B Operating and
32. rom the menu bar to open the Errors window as shown in Figure 4 6 r Errors EI Errors No Errors Close IS Figure 4 6 Errors window Click Get Errors to display the list of errors that occurred when using the SFP f To monitor driver calls The Driver Call Log allows you to identify the various SCPI commands required to operate the J7204x 5x Each log entry corresponds to an operation triggered via the SFP On the main SFP interface as shown in Figure 4 5 click Utility gt Driver Call Log from the menu bar to open the Driver Log window as shown in Figure 4 7 Keysight J7204 5 A B Operating and Service Manual 47 4 Operating Guide r n E DriverLog baba File Edit Call Log Clear Log ROUT SEQ TRIG ATTEN 4 1 10 ROUT SEQ TRIG ATTEN 4 2 110 Figure 4 7 Driver Log window To save the driver call log to a file click File Save As To select all the driver calls in the log click Edit gt Select All To copy a selected driver call to your application click Edit gt Copy To erase all the driver calls from the log click Clear Log 6 Toget help using the SFP refer to the Help file from the main SFP interface 48 Keysight J7204 5 A B Operating and Service Manual Operating Guide 4 Controlling the J7204 5 A B Attenuation Control Unit Controlling the J7204 5 A B and making measurements The J7204 5 A B attenuation control u
33. rvice Manual Keysight J7204 5 A B Attenuation Control Unit Operating and Service Manual Operating Guide Operating Instructions 40 Getting Started with the Soft Front Panel SFP 43 Controlling the J7204 5 A B Attenuation Control Unit 49 Programming Guide 53 Service and Maintenance 63 This chapter provides simple quick check instructions to verify the J7204 5 A B attenuation control unit s functionality prior to usage It also provides information to get you started on the Soft Front Panel SFP of the J7204 5 A B KEYSIGHT TECHNOLOGIES 39 4 Operating Guide Operating Instructions Operator s check The operator s check is supplied to allow the operator to make a quick check of the J7204 5 A B prior to usage or if a failure is suspected CAUTION ESD exceeding the level specified in Table 3 4 or the RF power applied is greater than the maximum specified as in Power requirements may cause permanent damage to the device Operator s check for the S parameter test Any network analyzer which can support up to 18 GHz can be used for performance test verification The equipment setup is illustrated in Figure 4 1 Network analyzer D8BBBEEBE 1 O AAFAA nee Te or TEE S Arne f J7204 5 A B Figure 4 1 Quick check configuration for the S parameter test 40 Keysight J7204 5 A B Operating and Service Manual Operating Guide 4 Quick check procedure 1 9 Set the following parame
34. s instrument complies with the WEEE Directive 2002 96 EC marking requirement This affixed CES NMB 001 indicates that this ISM device complies with the Canadian CES 001 product label indicates that you Cet appareil ISM est conforme a la must not discard this electrical or norme NMB 001 du Canada electronic product in domestic household waste This instrument is Class A suitable for professional use and is for use in electromagnetic environments outside of the home Aw 77 AFTE BEZANA e AWE AFLAR dS H ua EE ASAE e AS Tops oue A AAAA AAAA AES AS Eae z gu Keysight J7204 5 A B Operating and Service Manual Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC This instrument complies with the WEEE Directive 2002 96 EC marking requirement This affixed product label indicates that you must not discard this electrical or electronic product in domestic household waste Product category With reference to the equipment types in the WEEE directive Annex 1 this instrument is classified as a Monitoring and Control Instrument product The affixed product label is as shown below REEL Do not dispose in domestic household waste To return this unwanted instrument contact your nearest Keysight Service Center or visit http about keysight com en companyinfo environment takeback shtml for more information Sales and Technical Support To contac
35. s relevant to the J7204 5 A B 53 JJ 204707478 SCR COMMaNGS cai tienen Do CE CERE ats 61 Service and Maintenance 009s s 4 4086 e005 a TEn Siar E 63 SEVICE MeL 63 01 ARCET 63 Keysight J7204 5 A B Operating and Service Manual List of Figures gure 1 1 gure 1 2 gure 1 3 gure 3 1 Figure 3 2 Figure 3 3 Figure 3 4 ure 4 1 ure 4 2 ure 4 3 ure 4 4 ure 4 5 ure 4 6 ure 4 7 ure 4 8 ure 4 9 ure 4 10 Q CO OQ CO OQ CO K QO OQ CO CO J7204 5 A J7204 5 A J7204 5 A echanica conn Mechan conn echanica n n ica con Mecha ica connector Quick check config Setting the attenuation value B SFP window J7204 5 A ector ector ector B front panel B rear panel dimensions o dimensi dimensi dimensi h E us J7205x main SFP interface J7204 5 A LAN instrument added GPIB instrument added Keysight J7204 5 A B Operating and Service Manual B main SFP interface Errors window Driver Log window Add LAN instrument B attenuation control unit uration for the S parameter test THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK Keysight J7204 5 A B Operating and Service Manual List of Tables Tab Tab Tab Tab Tab Tab Tab Tab Tab e 1 1 e 1 2 e 2 1 e 3 1 e 3 2 e 3 3 e 3 4 e 4 1 e 4 2 J7204 5 A B connector options J7204 5 A B s state LED definitions J7204 5 A B
36. shipment contents Specifications of the J7204 5 A B Attenuation accuracy of the J7204 5 A B Physical specifications of the J7204 5 A B J7204 5 A B environmental specifications Overview of the main SFP interface J7204 5 A B SCPI commands Keysight J7204 5 A B Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK Keysight J7204 5 A B Operating and Service Manual Keysight J7204 5 A B Attenuation Control Unit Operating and Service Manual Introduction Product Overview 16 This chapter provides an overview of the Keysight J7204 5 A B Multi Channel Attenuation Control Unit KEYSIGHT TECHNOLOGIES 1 Introduction Product Overview The Keysight J7204A B and J7205A B multi channel attenuation control units are used for signal attenuation or conditioning The J7204A B consists of four attenuation channels while the J7205A B consists of five attenuation channels whereby the RF signal is routed through the front panel The J7204 5 A B attenuation control unit is made up of a 2U full rack chassis The J7204A B is equipped with four sets of 11 dB 110 dB attenuator pairs while the J7205A B is equipped with five sets of 11 dB 110 dB attenuator pairs with a DC to 6 GHz 18 GHz frequency range All external RF connections are SMA f or N Type and are at the front of the unit The J7204 5 A B is controlled through the GPIB or LAN interface In addition the bundled s
37. t Keysight for sales and technical support refer to the support links on the following Keysight websites www keysight com find attenuators product specific information and support software and documentation updates www keysight com find assist worldwide contact information for repair and service Keysight J7204 5 A B Operating and Service Manual THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK Keysight J7204 5 A B Operating and Service Manual Table of Contents Safety Symbols cassacashsdddddcdbskabavedan ndash one dE RA da 9 Safety Considerations issssss eese kk eee E ERES 4 Safety aver e oe 4 Before applying DOWBI s cusam ad rca ed Xon ern a ogee 4 Regulatory MOFYSEDON shaadi ob bb biked amp Sai aod e e oaclcedeecdedi wre an le 6 Statement of compliance 6 kee 6 Regulatory markings 1 kee 6 Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC awaGes see seeded ad Adu odedada ens neduus Shes hOngn sea eens 7 Pro ductcategony ccckkcuas dan sd Edid Aut eoo 6pes d dd d 7 Sales and Technical SUDDOIT ciis sexe EE ERE EP exe deb x E tes 7 Introduction Product OV rViEW gt us cse samibdsex pe EEREREREDRELERED SER AAA OX 16 Key features of the J7204 5 A B attenuation control unit 17 Instrument options 63 4046 Pte RR REPPEDSE Ode bei dd 17 Front and rear panel features 6 eee 18 Installation Irual inspDSCHOD erisiripaemeeenteteebeeqRBee eg don a aieo tid eA 2
38. ters on the network analyzer to perform 2 port measurements Parameter J7204A J7205A J7204B J7205B Start frequency 200 MHz 200 MHz Stop frequency 6 GHz 18 GHz IF bandwidth 100 Hz 100 Hz Calibrate the network analyzer with full 2 port calibration using the appropriate electronic or mechanical calibration kit Turn on the J7204 5 A B attenuation control unit The LED indicator on the J7204 5 A B should indicate PWR On Connect the network analyzer s Port 1 cable to the J7204 5 A B s channel X Port 1 Connect the network analyzer s Port 2 cable to the J7204 5 A B s channel X Port 2 Launch the soft front panel SFP and select the product Model and Communication Method accordingly Refer to Getting Started with the Soft Front Panel SFP on page 43 for details To verify that the J7204 5 A B is working properly change the attenuation value by entering the value or clicking the up down button to increase or decrease the value as shown in Figure 4 2 on page 42 You will hear a click sound from the J7204 5 A B when changing the attenuation value Obtain the measurement results for Input Return Loss and Insertion Loss for the J7204 5 A B Compare the measurement results to the specifications in Table 3 1 10 To verify Channel 1 to Channel 5 of the J7204 5 A B connect the network analyzer s Port 1 cable to each channel s Port 1 and the network analyzer s Port 2 cable to each channel s Port 2 Keysight J7204 5 A B O
39. tion Controls the attenuation for each channel via fixed step sizes or direct numeric input 3 Attenuator control of the attenuation value 4 Status indicator Displays the connection string address and operating status of the unit 5 The J7204 5 A B SFP is a graphical interface that helps you with the following tasks a To connect to the J7204 5 A B via the GPIB interface Upon launching the SFP the J7204 5 A B SFP window will appear as shown in Figure 4 3 Click to select a J7204x or J7205x unit to connect Select the GPIB communication method Select the library and the J7204x 5x interface name and GPIB address Click Connect to access the main interface of the selected J7204x or J7205x unit To select another unit to use when accessing the main interface click File gt Connect from the menu bar to open the Connect To Instrument window b To connect to the J7204 5 A B via the LAN interface Upon launching the SFP the J7204 5 A B SFP window will appear as shown in Figure 4 3 Click to select a J7204x or J7205x unit to connect Select the LAN communication method Select the library and the interface name Enter the J7204x 5x hostname or IP address ps The J7204x 5x has a default hostname in the form of ex A J720xx XXXXX where J720xx is the model of the unit and XXXXX is the last five digits of the unit serial number Keysight J7204 5 A B Operating and Service Manual 45 4 O
40. to be exceeded Front panel AW kevsiaur J7205A Anenustion Control Ust DC to 6 CM Instrument state LEDs Standby button Figure 1 2 J7204 5 A B front panel Note that this button is Standby only not a line switch The main power cord can be used as the system aagana disconnecting device It disconnects the mains circuits from the mains supply When power is applied to the J7204 5 A B the J7204 5 A B enters its power on sequence which Instrument state requires several seconds to complete The LEDs provide information on the state of the J7204 5 A B LEDs during power on and during upgrades of the J7204 5 A B s firmware Table 1 2 on page 19 identifies the J7204 5 A B s states based on the color and functionality of the LEDs For J7204A B There are four channels with two ports per channel Port 1 and Port 2 Each channel has one input port and one output port The front panel RF connector is either SMA female or Type N For J7205A B There are five channels with two ports per channel Port 1 and Port 2 Each channel has one input port and one output port The front panel RF connector is either SMA female or Type N Ports 18 Keysight J7204 5 A B Operating and Service Manual Introduction 1 Table 1 2 J7204 5 A B s state LED definitions LED Color Instrument state ATT Off nstrument in the ready state LA G
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