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TS2000 Service Manual

RD7409290-0 Rev. F

5-7

Scan Probe 256

AY74410016

47 78 812 RVB75

Probe Selection Board
Mounted

AY74010412

70 41 093 RVB75

External Zip Drive

MD10078

47 78 846 RVB75

Internal Zip Drive

MD10089

47 78 838 RVB75

Modular case for TSP

HB01188

47 78 630 RVB75

Transformer for Modem
115v

TM74010881

47 78 929 RVB75

Transformer for Modem
230v

TM74010880

47 78 911 RVB75

Service Kit (Service
Phantom, transmitter
cables, fuses)

AY74010310

47 78 986 RVB75

Verification phantom

AY74510240

47 78 978 RVB75

P.M. Serial
Communication Cable

WA74010298

47 78 770 RVB75

PM Parallel
Communication Cable

WA74010247

47 78 788 RVB75

PM-PSB Cable

WA74410233

47 78 796 RVB75

Printer Isolation
Transformer 230V/230V

AY74010738

47 78 879 RVB75

Printer Isolation
Transformer 115V/115V

AY74010292

47 78 887 RVB75

Service Phantom

AY24510241

TSP (Assy.)

AY74010351

11 56 517 RVB75

UPS for 230V

BT 74110030

11 56 525 RVB75

UPS for 115V

BT 74110808

11 56 533 RVB75

SPB7-520.840.01.01.02

Содержание TS2000

Страница 1: ...TS2000 TransSpectral Impedance Scanning RD7409290 0 Revision F Service Manual SPB7 520 840 01 01 02 ...

Страница 2: ...SPB7 520 840 01 01 02 ...

Страница 3: ... Service Manual Copyright 2001 Transscan Ltd RD7409290 0 Rev F Name Signature Date Prepared By Dov Alkopher Checked By Thilo Am Ende Approved By Yoav Wimisner Quality Assurance Ora Peri SPB7 520 840 01 01 02 ...

Страница 4: ...SPB7 520 840 01 01 02 ...

Страница 5: ...Computer Base PC 2 7 2 9 CD ROM Drive 2 8 2 10 Modem TeleService Package Up to Serial 2087 2 8 2 11 Zip Drive 2 8 2 12 Printer Optional 2 8 2 13 Processing Module PM 2 8 2 14 Probe Control Unit 2 9 2 15 Reference Signal Generator 2 10 2 16 Probe Selection Board PSB Overview 2 10 2 17 Scan Probes Small Probe Large Probe 2 11 2 18 Probe Scan Arrays of 2 11 2 19 Transmitter Reference Cylinder 2 11 2 ...

Страница 6: ...2 Installation of VGA Driver 4 5 4 4 3 Installation of Printer Driver 4 5 4 4 4 PcAnywhere Installation 4 6 4 4 5 Zip Drive Software installation 4 7 4 4 6 Installation of ODBC Software 4 7 4 4 7 Installation of I O Card Software 4 8 4 4 8 Installation of Port ID Driver Software 4 8 4 4 9 Installation of Autolog Driver Software 4 8 4 4 10 Software Installation 4 9 4 4 11 Changing Keyboard Language...

Страница 7: ... Test 6 6 6 4 3 Check for the P S B Socket port I D 6 6 6 4 4 Probe I D Test 6 7 6 4 5 ACQ Test Parallel Communication Test 6 7 6 4 6 Picture Uniformity Tested with the Help of the System Phantom 6 7 6 4 7 Check PM Output 6 7 6 4 8 Verify Parallel Communication 6 7 6 4 9 PM Board 6 8 6 4 10 PSB Board 6 9 7 MAINTENANCE 7 1 7 1 Phantom Check 7 1 7 2 Monitor Check List 7 1 7 3 Printer Self Test 7 1 7...

Страница 8: ...ock Diagram 2 6 Figure 2 4 Processing Module Block Diagram 2 9 Figure 2 5 Probe Control Unit Block Diagram 2 9 Figure 2 6 Reference Signal Generator Block Diagram 2 10 Figure 8 2 2 Overhead view 8 4 Figure 8 2 3 TSP Power Connection 230 VAC 8 5 Figure 8 2 4 TSP Power Connection 115VAC 8 6 Figure 8 5 Cable Locations 8 7 SPB7 520 840 01 01 02 ...

Страница 9: ...alified service personnel In order to prevent electrical shock do not remove covers or panels This equipment should be used ONLY in accordance with instructions for use CAUTION In the event of defective functioning of TS2000 contact the relevant Siemens service department SPB7 520 840 01 01 02 ...

Страница 10: ...uments ο ο Off Power disconnection from the mains On Power connection to the mains NOTE The CE 0344 mark for this device can be found on the left side of the central processor This device complies with MDD Regulation 93 42 EEC Symbols Description Type BF equipment Dangerous voltage SPB7 520 840 01 01 02 ...

Страница 11: ...ue is typically 20 40 times lower than that of normal tissue when measured at appropriate frequencies TransSpectral Impedance Scanning TS2000 detects cancerous changes in the breast by providing a real time two dimensional visual display of local variations in tissue electrical conductance and capacitance Changes in tissue electrical conductance and capacitance associated with malignancy result in...

Страница 12: ...mal tissue when measured at appropriate frequencies The dramatic changes in electrical impedance stem from cytological and histological changes that relate to the cellular water content the amount of intracellular fluid membrane properties the packing density and orientation of the cells These changes in the electrical impedance of the cancerous tissue can be visualized and identified using the T ...

Страница 13: ...reliable pre mammographic screening The overall outcome of using the T Scan system should reduce the rate of missed tumors and unnecessary biopsies and their associated financial and emotional costs 2 1 3 Comparison with Other Methods of Breast Examination NOTE TS2000 should always be used in conjunction with other methods of breast examination CBE mammography ultrasound and not as a stand alone d...

Страница 14: ...ansScan Software Printer VGA and Zip Drive software Application software Isolation transformer for Printer Zip Drive Modem Up to and including serial number 2086 thereafter the modem is an option Printer Optional TransScan TS2000 Manual Quality Assurance Kit optional including Service Phantom Transmitter Cable X2 Five fuses rated at 4 A 230V Five fuses rated at 5 A 230V Five fuses rated at 6 3A 11...

Страница 15: ...wing elements refer to Figure 2 1 Monitor Main System Console Computer Base Processing Module PM Probe Selection Board PSB Keyboard and mouse Transmitter reference cylinder 2 Scan receiver Probes Large Standard Small Optional Printer optional Modem optional and Zip Drive Figure 2 1 Complete TS2000 System in Cart Front View SPB7 520 840 01 01 02 ...

Страница 16: ...TS2000 Service Manual RD7409290 0 Rev F 2 6 2 3 Block Diagrams 1 and 2 Figure 2 2 TS2000 System Block Diagram Figure 2 3 System Block Diagram SPB7 520 840 01 01 02 ...

Страница 17: ... mouse are standard PC compatible devices that are used by the TS2000 for system operation and data entry 2 7 Main System Console The Main System Console is comprised of the Computer Base PC the Processing Module PM and the Probe Selection Board P S B 2 8 Computer Base PC The Computer base is a PC with the following configuration Intel Celleron A300 MHz or better with 256 kb EXT cache or equivalen...

Страница 18: ... diagnosis and or referral 2 13 Processing Module PM The Processing Module PM consists of a card housed in a case above the computer Located in the back of the PM is the connection panel which links the PM to the Transmitter cylinder and the PSB This unit contains the analog processing electronics and the reference signal generator This unit also includes a suitable power supply for operation of t...

Страница 19: ... PC Serial Interface Local I O Interface PC Parallel interface MPU Optical Coupling RS 232 Drivers 14 7 mHz RAM FLASH PC COM Local I O Figure 2 5 Probe Control Unit Block Diagram The CPU boots after reset from the flash memory and continues by running some POST Power On Self Test diagnostics In addition to the POST software the flash ROM also contains communication and flash programming software a...

Страница 20: ...ch Figure 2 6 Reference Signal Generator Block Diagram The CPU controls the RSG in order to produce the required frequency and amplitude during an acquisition cycle 2 16 Probe Selection Board PSB Overview The purpose of the PSB is to enable the operator to work simultaneously with up to three probes Currently the system is supplied with two probes large and small The probes are connected all the t...

Страница 21: ...n the opposite side of the hand held unit from the control panel The probe consists either of 256 16 16 or 64 8 8 sensing pads elements The 256 Scan Probe array measures 8 8 cm in size the 64 Scan array Probe measures 4 5cm 4 5cm The examiner will select the best suited probe for covering the breast under examination Each sensing pad is a 3 3 mm square electrode print which enables rapid manual sc...

Страница 22: ...raw the data graphically and provide several processing functions The PM software runs on its own microprocessor on the Processing Module board It interprets the instructions sent by the main application gathers the raw data and sends it back to the main application via RS232 link and parallel I O card The FoxPro database management software runs on the PC under MS Windows NT It communicates with ...

Страница 23: ...TS2000 Service Manual RD7409290 0 Rev F 2 13 Figure 2 7 TS2000 Software Block Diagram SPB7 520 840 01 01 02 ...

Страница 24: ...TS2000 Service Manual RD7409290 0 Rev F 2 14 SPB7 520 840 01 01 02 ...

Страница 25: ...he field 3 2 Laser Printer Optional 3 2 1 Set up the Laser printer 1 Set up the system following the directions listed above in System Setup The system power should be turned off before continuing with the printer setup procedure 2 Open the Laser printer box take the printer out and place it on the floor in front of the bottom shelf third shelf of the cart CAUTION Check that the correct voltage fo...

Страница 26: ... Until Serial 2086 3 3 1 General The modem is part of the Teleservice package and is factory installed For Com Port 2 setup see section 6 3 1 Connect the telephone cable to the wall socket of a direct telephone line if necessary replace the cable plug to fit your telephone system 2 Verify that the Modem turns on together with the system 3 Verify that the Modem is initialized during the Windows sta...

Страница 27: ...Change from ISDN to ANALOG 1 Start the system select Exit and Exit to Windows 2 From Start menu select Settings Control panel double click on Modems 3 Select the ISDN TA Internet MLPPP 128K modem click Remove Yes Close 4 Close Control Panel and turn system off 5 Install the Analog modem and connect it to the power supply and the system 6 Start the system select Exit and Exit to Windows 7 From Star...

Страница 28: ... Perform steps 1 9 from the section replacing the computer 2 Install the Zip drive below the CD ROM drive 3 Set the CD ROM to be the Master Drive 4 Set the Zip to be the Slave Drive 5 Connect the double data cable to the CD ROM and Zip drives 6 Connect the other side to the Mother Board 7 Connect power to the Zip drive 8 Close up the computer and turn the power on 3 4 2 Installation of Zip Drive S...

Страница 29: ...ware required to operate the system including TS2000 system software 4 1 Verifying the Actual Software Version From the Welcome Screen start a new exam 1 Click on Maintenance Version the TransScan Windows Application Box appears 2 Verify the following data a Version b Database Version c PM Version 3 After verification click OK 4 2 Full Software Installations Complete installation of the software i...

Страница 30: ... 5 Install printer driver See Section 4 4 3 6 Install PcAnywhere software See Section 4 4 4 7 Install ZIP driver software IomegaWare See Section 4 4 5 8 Install additional software from the TransScan CD ROM2 See Sections 4 4 6 to 4 410 9 Set the keyboard language See Section 4 4 11 10 Install TS 2000 software See Section 4 4 12 4 2 4 Formatting the Hard Drive Formatting the hard drive is part of t...

Страница 31: ...s 1 From the START Menu select RUN then BROWSE 2 From the CD Menu select SETUP OPEN 3 Click OK the program will then install the new version on your system 4 Click FINISH remove the CD and restart the system 4 4 Additional Software Installation To install the software used in this system which should be in the windows screen follow the instructions below 4 4 1 WIN NT4 Installation Including Servic...

Страница 32: ...the password 123456 Confirm the password and press Next 14 Select No do not and press Next three times 15 Select the Do not connect radio button and press Next then Finish 16 Select your time zone and set the date and time parameters then press Close When you reach this stage in the WinNT installation you need to install the WinNT Service Pack 4 17 Insert the WinNT Service Pack 4 into the CD ROM d...

Страница 33: ... Change 6 Select Have disk Browse The CD drive normally on F click WinNT and click ATI DRIVE 7 Select Open then OK 8 From the list select 3D rage pro turbo English then OK 9 Press Yes Software will load to disk 10 Press OK Close test OK Yes Close and Yes to restart the system 11 Select OK 12 13 Make sure Color Palette is 256 Colors and desktop area is 640X480 pixels 13 Select OK and remove CD 4 4 ...

Страница 34: ...per size A4 Or to a different size according to paper used 16 To set up the computer 17 Exit to Windows 18 Click Start Setting Printers 19 Right click on the printer icon marked Lexmark PS2 20 From the menu select Document Default 21 Set the paper size to A4 210x297 mm 22 Set the graphics to 1200 Quality 23 Click OK and then close the printer windows 4 4 4 PcAnywhere Installation 1 Repeat steps 1 ...

Страница 35: ...he Welcome screen click on Exit Exit to Windows 2 Insert the IOMEGA software CD into the CD drive 3 Let the AutoRun program to start 4 Select English 5 Click Next Yes Next 6 Software will load itself to the disk 7 Click OK If needed follow the instruction in the information screen 8 If the Windows NT Setup box appears with the message The Drivers are already on the system click New the Window NT S...

Страница 36: ... 4 From the Computer Board Menu double click on INSTACAL click OK and then close the windows 5 If you are not installing other SW programs restart the computer 4 4 8 Installation of Port ID Driver Software 1 Repeat steps 1 6 from 4 4 6 2 Select Install DIPort IO Driver and then click YES NEXT YES and NEXT five times 3 Click FINISH to restart if you are not installing other SW programs and close wi...

Страница 37: ... to step 5 4 Click Add 5 In the Add Input Local select the required language from the Input Locals drop down box and click OK 6 In the Keyboard Properties box select Input Locals select the defined language from the Input Locals list click on Set As Default and click OK 7 If the language was added the system will ask you for Windows NT Workstation CD ROM Place the CD ROM in the drive wait for a wh...

Страница 38: ...TS2000 Service Manual RD7409290 0 Rev F 4 10 SPB7 520 840 01 01 02 ...

Страница 39: ...ews two on each side 5 Remove the bottom of the main system enclosure by unscrewing the four screws two on each side that secure it in place 6 From inside the system unscrew the three screws that are located on the upper front panel 7 Turn the whole system over and unscrew the three screws that are located on the inside of the bottom front panel 8 Turn the system right side up again Disconnect the...

Страница 40: ...de the system replace and tighten the three screws that are located on the upper front panel 18 Reposition the bottom of the main system enclosure by replacing and tightening the four screws two on each side that secure it in place 19 Reposition the upper cover of the main system enclosure Main Console by replacing and tightening the four screws two on each side 20 Replace the main enclosure Main ...

Страница 41: ...connect the transmitter cable from the back of the PM board 8 Unscrew all the screws that secure the PM board in place 9 Slide the PM board out carefully 10 Slide the new PM board into place 11 Screw the four screws in the PM connection panel tighten the three screws that connect the board in its position 12 Re connect the cables from 4 7 13 Replace the upper cover of the main system enclosure Sec...

Страница 42: ...e Computer See instructions above 2 Slide the computer out carefully 3 Unscrew the I O card one screw from the Computer connection panel The I O card is located in the third slot from the bottom Remove the I O card gently 4 Check the setup of the I O card It should be COM2 IRQ3 and LPT2 5 Push the new I O card into place gently the third slot from the bottom 6 Attach the I O card to the Computer c...

Страница 43: ... the Computer See instructions above 2 Slide the computer out carefully 3 Remove the parallel card from the Computer Connection panel The parallel card is located in the PCI slot Remove the parallel card gently 4 Install the new parallel card 5 Perform steps 11 20 from the section Replacing the Computer 5 6 Replacing the Scan Probes 1 Shut down the system 2 Open the wooden bracket that holds the s...

Страница 44: ... Isolation Transformer Assay 115v 115v AY74010292 47 78 887 RVB75 Isolation Transformer Assay 230v 230v AY74010738 47 78 879 RVB75 Keyboard USA 47 78 598 RVB75 47 78 598 RVB75 Keyboard FRA 47 78 606 RVB75 47 78 606 RVB75 Analog Modem MD10077 47 78 895 RVB75 ISDN Modem MD10114 47 78 903RVB75 Monitor AY74010341 47 78 572 RVB75 Mouse Purchase locally PS 2 Type Processing Module Assay AY740810397 4778...

Страница 45: ...ervice Kit Service Phantom transmitter cables fuses AY74010310 47 78 986 RVB75 Verification phantom AY74510240 47 78 978 RVB75 P M Serial Communication Cable WA74010298 47 78 770 RVB75 PM Parallel Communication Cable WA74010247 47 78 788 RVB75 PM PSB Cable WA74410233 47 78 796 RVB75 Printer Isolation Transformer 230V 230V AY74010738 47 78 879 RVB75 Printer Isolation Transformer 115V 115V AY7401029...

Страница 46: ...TS2000 Service Manual RD7409290 0 Rev F 5 8 SPB7 520 840 01 01 02 ...

Страница 47: ...has the potential for an occasional problem to occur This section explains how to diagnose and correct these problems In the following table Reboot the system means use the exit button to shut down the system properly turn the power off wait 4 5 seconds and then turn the power on again 6 1 Error Messages 6 1 1 Displayed Error Messages Messages Solution Replay Parameters Not Found Try replaying ano...

Страница 48: ...ck that the 3 LED s on the P M board are ON Check the voltages on the J2 connector on the PM The voltages should be 5 Volts 12 and 12 Volts Check that the setup for Com1 is 115200 Check parallel cable connected the PM adapter to the I O card Amplitude Error over current Check that there are no foreign metals on the probe Check the connection cable between the PM and the handheld cylinder Press the...

Страница 49: ...s not responding Check for correct connection of the Mouse cable to the computer Check the Mouse on another Computer If the Mouse is still not functioning correctly then replace the Mouse The Keyboard is not responding Check for correct connection of the Keyboard cable to the Computer Check the Keyboard on another Computer If the Keyboard is still not functioning correctly then replace the Keyboar...

Страница 50: ... appears with the same black white spot no matter which sector is being examined with the Scan probe Check if there is good contact for the Scan Probe Tighten the contact Use the phantom and see if the problem remains If so move the probe around and check that the spots are displayed in a fixed location otherwise they are air bubbles Check if there is good contact between the cylinder and the pati...

Страница 51: ...screen click Exit and click Exit to Windows 2 Click on the Start 3 Click Settings Control Panel 4 Double click Ports 5 In the Ports Dialog Box select Com 1 and then click Settings 6 Adjust the Baud Rate to 115200 and click Advanced 7 In Advanced Settings click Base I O select 3F8 from the list 8 Click IRQ drop down box Select 4 and then click OK 9 In the Systems Settings Change Box select Don t Re...

Страница 52: ... click Probe 7 Check that A is selected in the Interf box small is selected in the Probe box 8 Click Read to get the ID of the PSB 9 PSB ID 03 will appear in binary form 0011 in the lower Data box Two checks in the last digits 10 Click Cancel and repeat Step 5 6 4 3 Check for the P S B Socket Port I D 1 Insert the address 001 in the b6 b4 box in the lower control section and connect a probe to soc...

Страница 53: ...a amp 1 b gain 2 c freq 200 click on the Accept Parameters button 3 Select Auto restart and click Acq a wavy line appears on the screen indicating proper communications 4 Click Stop Clear the Autostart check box 5 Close the Probe screen 6 Quit the PM Test 7 Quite the Windows NT Explorer 6 4 6 Picture Uniformity Tested with the Help of the System Phantom To perform a functional test with the help o...

Страница 54: ...nal value is 2 15 5 Click again on the Start Stop button 6 In the Tests menu click on Back to User Menu NOTE All other programs are for Research and Development purposes only 6 4 9 PM Board On the PM there are three red LEDs indicating presence of voltage In order to measure the voltages on the PM Board measurements are carried out between the ground of the output BNC and the following points on t...

Страница 55: ...v 4A F2 For 12V and also 5V 3 4A F3 For 12V 2A 6 4 10 PSB Board On the PSB there are 10 red LEDs indicating the following ID Indication 1 D4 5V 2 D6 5V 3 D7 5V Port 1 4 D8 5V Port 1 5 D9 5V Port 2 6 D10 5V Port 2 7 D11 5V Port 3 8 D12 5V Port 3 9 D13 Altera Mode 10 D14 Altera Mode SPB7 520 840 01 01 02 ...

Страница 56: ...0 Rev F 6 10 The Fuses on the PCB board are ID Function Fuse Value F1 5V main fuse to the board 2A F2 5V to port 1 1A F3 5V to port 2 1A F4 5V to port 3 1A F5 5V to port 1 1A F6 5V to port 2 1A F7 5V to port 3 1A SPB7 520 840 01 01 02 ...

Страница 57: ...int out the phantom test at the end of the session and file it under Register 7 of the system manual The phantom is supplied in a container filled with a solution On the side of the container is a level mark indicating how much solution must be in the container If the solution does not reach the level mark solution must be added If the solution has become unclear it must be replaced See Accessorie...

Страница 58: ...Targeted Mode with the large probe 3 Perform an examination in Scan Mode with the small probe 4 Perform an examination in Targeted Mode with the small probe NOTE For more details about Functional Tests refer to the User Manual IF a service phantom is not available scan your own arm See instructions in the TS 2000 Accessories Guide located at the back of the user manual SPB7 520 840 01 01 02 ...

Страница 59: ...ctrical Operating Voltage 115 230 10 VAC 50 60 Hz 2HZ Operating Power 250W Probe Dissipation 5Watts Fuses 2 X 6 3A for 115V 2 X 4A for 230V Mechanical Computer Size and Weight PC Std Scan Probe Size 64 Pads 6 6 cm Scan Probe Size 256 Pads 8 5 8 5cm Scan Probe Weight 64 Pads 580 grams Scan Probe Weight 256 Pads 660 grams Safety and Regulatory Patient Safety UL544 IEC601 2 Patient Signal Current 5 m...

Страница 60: ...ice Manual RD7409290 0 Rev F 8 2 Functional Measurement Frequency Range 58Hz to 4 kHz Database entries Limited by hard disk space Display Levels 240 gray level Database Access Time 5 seconds SPB7 520 840 01 01 02 ...

Страница 61: ...umpers 115V In 220V In 1 2 3 4 2 3 T1 Trafo Isolated Power Connectors 7 10 PS Power and Computer Power Connectors 11 12 AC Out 2 Connectors 13 14 Power Selection Jumpers 115V Out 220V Out 8 9 7 8 Pinsulated Output Power Selection 115V Out 220V Out 7 8 9 10 8 9 T1 Trafo Input Power Connectors 1 4 SPB7 520 840 01 01 02 ...

Страница 62: ...ure 8 2 2 Overhead view NOTE The change of operating voltage of the system must be carried out in the factory only and not in the field T1 Main Transformer T2 PM AC Serial COM RS 232 Parallel Cable Fan Mains Setup PS DC for PM SPB7 520 840 01 01 02 ...

Страница 63: ... A 6 1 BRN BLU 9 BLK VENT P4 1 2 3 4 4 B A 3 1 ORG 3 A 4 1 B VIO BLU AY7408776 0 1 A 1 F1 4A FUSE A B 230V AC 1 GRY 2 J11 230V AC To MONITOR N L G 5 ET00139 B TB P5 L N G B 4 B G B A BLU 8 B RED 1 J18 1 2 3 4 8 F3 FUSE 0 5A 7 P M 1 WHT J10 AC IN L N G 1 A P17 1 2 3 4 A N L L N 3 2 P9 230V AC To P C N L G 1 1 3 0 9 J12 230V AC To MODEM TRANSFORMER N L G SW1 WT00249 2 1 4 5 B A 2 Figure 8 2 3 TSP Po...

Страница 64: ...4 2000 TransScan A Title Size Document Number Rev Date Sheet of RED 1 B WHT 4 1 B A 6 9 00 2 1 B B A 2 4 A F1 6A FUSE A 1 TM7408783 0 7 3 8 4 COMMUNICATION CABLE 2 3 1 J13 1 2 3 A 2 1 G 2 BLU 4 P1 1 2 1 A B B B P S ORG 7 5 Revision Description Approved Date A 4 1 4 A P2 1 2 3 4 9 T2 TM7408787 0 1 4 2 3 A MD10062 F3 FUSE 0 5A 0 BLK 5 Winer P5 L N G 9 6 9 00 Date Name Signature DRAWN CHECK DESIGN AP...

Страница 65: ... Figure 8 2 5 Cable Locations Power Out to Monitor Probe 2 Probe 1 Mouse and Keyboard Connections Transmitter Cable PM to PCB Cable Power Out to Modem Power In Parallel Cable Main Power Switch Modem Cable Printer Connection SPB7 520 840 01 01 02 ...

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