Miteq RL1-095145 Page 7 Manual Download

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Introduction | 1

SECTION 1: INTRODUCTION

GENERAL DESCRIPTION

PHYSICAL

Figure 1-1. Front View, 1:1 Redundant Line Amplifier System

Figure 1-2. Rear View, 1:1 Redundant Line Amplifier System

The 1:1 Redundant Line Amplifier System is designed

to ensure continuous operation without disruption of

signal transmission. An amplifier fault can be repaired

and/or routine maintenance can be performed with out

signal disruption.

If a fault is detected and the unit is in automatic

mode, the faulted amplifier is switched off-line by

physically removing its input and output signal lines

and connecting them to the backup amplifier. The line

amplifier unit also provides manual switching of the

amplifiers.

The system stores all information in non-volatile

memory. If power is lost, the amplifier will return to its

original settings when power is restored.

The remote interface provides control and status of the

amplifier unit from a remote location.

FEATURES

Fault tolerant design

Fully redundant, hot-swappable power supplies

Remote control via RS485 or RS422 (user selectable)

Automatic/manual control from both local and remote

mode

Remote status

Off-line input/output access

Amplifier current fault detection

Time-stamped alarm history

•

LCD

Display

Remote

Key

Alarm

Key

Navigation

Keys

Amplifier

Status

Indicators

Switch Position/

Switch Indicators

Enter

Key

Menu/

Escape

Key

Manual

Key

LED

Indicators

Ground

Lug

Summary

Alarm

Connector

A1A1

Power Supply “A”

AC Voltage

Input/Switch

Remote

Interface

Connector

RF Output

Connector

Standby Output

Connector

A5A2

Termination w/Chain

A1A2

Power Supply “B”

AC Voltage

Input/Switch

Remote

Interface

Connector

Standby Input

Connector

A5A1

Termination w/Chain

RF Input

Connector

Summary of Contents for RL1-095145

Page 1: ... Input Level Control Option 4 Output Level Control Option 11A 15 dBm output power at 1 dB compression Option 11B 20 dBm power at 1 dB compression Option 16A 40 dB minimum gain Option 16B 50 dB minimum gain Option 17C RS232 Remote Control Option 17D Contact Closure Remote Control Option 17H Ethernet Remote Control Option N Female RF Input Output Connectors 100 Davids Drive Hauppauge New York 11788 ...

Page 2: ...ADDED ESD WARNING TO SECTIONS 2 AND 5 SECTION 3 3 2 6 2 SET SLOPE SCREEN ADDED TO MAIN MENU LIST SECTION 3 3 2 6 11 ATTENUATION SCREEN COMPLETELY REVISED SECTION 3 3 2 6 11 CHANGE ATTENUATION COMPLETELY REWRITTEN ADDED SECTION 3 3 2 6 12 SET SLOPE SCREEN ALL REMAINING 3 3 2 6 SECTIONS RENUMBERED AS PER ADDITION SECTIONS 3 4 ATTENUATION OPERATION AND 3 5 SLOPE OPERATION ADDED ALL REMAINING SECTIONS...

Page 3: ...UMBERED ALL QUERY COMMAND SECTIONS FOLLOWING THIS ONE ADDED SLOPE TO REMOTE QUERY AND REMOTE SET COMMAND CHARTS SECTION 3 8 1 5 CHANGED a A1 A4 TO a Amplifier number 1 4 ADDED SECTION 3 8 3 REMOVED TEST EQUIPMENT 7 12 07 REV H TO REV J MANUAL REDESIGNED IN ADOBE INDESIGN SECTION 3 COMPLETELY RE WROTE COMMAND CODE SECTION AND ADDED ETHERNET SECTION BLOCK DIAGRAM 133232 REV G TO REV J 12 4 08 REV J ...

Page 4: ...ERATING MODES 7 AUTO MODE 7 MANUAL MODE 7 LOCAL MODE 7 REMOTE MODE 7 FRONT PANEL 8 STATUS INDICATORS 8 FRONT PANEL OPERATIONS 8 Keypad Navigation 8 Liquid Crystal Display 8 Beep Operations 8 Display Timeout 9 Cursor Operations 9 Menus and Screens Operation 9 Default Screen 9 Main Menu 9 On Line Standby Screen 10 Current Monitor Screen 11 Voltage Monitor Screen 11 Current Limit Screen 11 Remote For...

Page 5: ...ring Internet Protocol IP Operating Parameters 31 Configuring via Ethernet 32 Access via SNMP 40 SNMP Command Structure 40 Access via Telnet 42 EMERGENCY OPERATION 43 SHUTDOWN PROCEDURE 43 SECTION 4 PRINCIPLES OF OPERATION 44 INTRODUCTION 44 FUNCTIONAL DESCRIPTION 44 SUBSYSTEMS AND COMPONENTS FUNCTIONAL DESCRIPTION 47 CONTROL BOARD ASSEMBLY A4A1 47 CONTACT CLOSURE REMOTE INTERFACE BOARD A4A3 CONTA...

Page 6: ...15 Figure 3 17b Attenuation Screen RL systems with slope equalization 15 Figure 3 18 Set Slope Screen 16 Figure 3 19 Alarm Menu 17 Figure 3 20 Remote Local Screen 18 Figure 3 21 Manual Auto Screen 18 Figure 3 22 Login Screen 33 Figure 3 23 Home Screen 34 Figure 3 24 Communications Screen 35 Figure 3 25 Time and Date Screen 36 Figure 3 26 Miscellaneous Settings Page 37 Figure 3 27 Event Log Page 38...

Page 7: ... the amplifier will return to its original settings when power is restored The remote interface provides control and status of the amplifier unit from a remote location FEATURES Fault tolerant design Fully redundant hot swappable power supplies Remote control via RS485 or RS422 user selectable Automatic manual control from both local and remote mode Remote status Off line input output access Ampli...

Page 8: ... dimensions 19 x 1 75 panel height x 20 maximum Connectors RF SMA female 3 5 mm compatible 22 GHz Summary alarm DEM 9P Remote interface DEM 9S for RS485 RS422 DB 25P for RS232 DC 37S for Contact Closure 919099 65 for Ethernet Primary power input IEC 320 A4A4 A4A5 A4A6 A1A1 A1A3 A1A2 A4A1 A4A13 A4A3 Hidden A2A2 A2A5 A2A4 A2A3 A2A1 A2A6 Hidden ...

Page 9: ...nput Return Loss Input Output Impedance 30 dB minimum 40 dB minimum Option 16A 50 dB minimum Option 16B 0 4 dB any 40 MHz 1 0 dB peak to peak up to 500 MHz 1 5 dB peak to peak up to 800 MHz 2 0 dB peak to peak greater than 800 MHz 0 2 dB 10 MHz maximum 0 2 dB 24 hours constant temperature 10 dBm minimum 15 dBm minimum Option 11A 20 dBm minimum Option 11B 2 dB maximum 3 dB maximum 4 dB maximum 5 dB...

Page 10: ...pment MOUNTING Slides are provided for mounting in a standard 19 equipment rack TURN ON PROCEDURE After mounting make all external connections per Table 2 1 Refer to next subsection for proper system configuration Refer to Section 1 for the physical configuration of the 1 1 Redundant Line Amplifier System Apply power to the equipment using the power On Off switches located on the rear panel of the...

Page 11: ...indicating the status of the unit and also it s power supplies Ground Lug Connect the ground lug on the rear panel of the equipment to the Protective Earth connection of the building AMPLIFIER REPLACEMENT PROCEDURE A replacement amplifier can have different current high and low limits even if it is otherwise identical to the failed amplifier Refer to the amplifier data sheet for it s ambient curre...

Page 12: ...imits only when an amplifier is being replaced in the field PRIMARY AMPLIFIER A Primary Amplifier is intended to remain On Line during normal operation If a Primary Amplifier fails and the backup amplifier is available the Primary Amplifier will be switched into Standby and the Backup Amplifier will be switched On Line in its place In a 1 1 configuration Amplifier A1 is the Primary Amplifier In a ...

Page 13: ...EMOTE mode Amplifier faults are still monitored and reported but they will have no effect on the On Line Standby status LOCAL MODE When the RAU is in LOCAL control mode operational functions and parameters can be controlled and entered from the front panel Remote control of these functions and parameters is locked out However the control unit will still respond to remote monitoring of RAU operatio...

Page 14: ...entry must be confirmed with an ENTER key press Any exceptions e g Attenuation Contrast will be noted in that section Menu Key Brings up Main Menu or escapes out of current mode If a change is pending needs confirmation this key cancels the change without implementing it When the unit is not waiting on a confirmation or screen has nothing that can be changed the Menu key displays the Main Menu Rem...

Page 15: ...ault Screen The default screen displays the redundancy configuration and model number of the unit At start up the unit defaults to this screen In addition if another screen is active and a 50 second time period expires without any key presses the unit will default to this screen If a new alarm has been logged a message is briefly displayed on the default screen This message will expire after any k...

Page 16: ...n Line Standby Screen If not already displayed use the MENU and arrow keys to select the ON LINE STANDBY screen then press ENTER Figure 3 4 On LIne Standby Screen To Change On Line Standby Status Point the arrow cursor to the desired amplifier status The UP and DOWN keys move the arrow cursor IF that amplifier is not on display for the 1 2 and Dual 1 1 models only the other amplifier s may be reac...

Page 17: ...or Screen If not already displayed use the MENU and arrow keys to select the VOLTAGE MONITOR screen then press ENTER Slight variation should be expected Figure 3 6 Voltage Monitor Screen This screen updates to provide the latest readings from the voltage monitors of the power supplies The two digit fields on the left side of the LCD indicate the measured voltage of the 5 5V source The three digit ...

Page 18: ...pped with the Contact Closure option as the remote bus interface Change Address ADDR RS232 RS422 RS485 and IEEE 488 Options Only Use LEFT RIGHT UP and DOWN keys to navigate the cursor to the after ADDR While the cursor is blinking the UP and DOWN keys can be used to change the address 0 30 for IEEE 488 and 64 95 for RS232 RS422 or RS485 RIGHT and LEFT keys still move the cursor horizontally and ca...

Page 19: ...creen Dynamic IP Address Press the LEFT or RIGHT arrow key to highlight the IP Address field on the display Use the UP and DOWN arrow keys to scroll the numeric values entering zero for each digit in each octet of the IP Address Press ENT to accept the choice The display will remain at 000 000 000 000 but the unit will be assigned a Dynamic Address by the system Press the UP or DOWN arrow keys to ...

Page 20: ...s until the desired password is set Press ENT to save the Password Press the UP or DOWN arrow keys to scroll to the next or the previous display Contrast Adjust Screen If not already displayed use the MENU and arrow keys to select the CONTRAST ADJUST screen then press ENTER Figure 3 14 Contrast Adjust Screen Changes to the contrast are accepted without the need for the ENTER key to be pressed Chan...

Page 21: ... without being effected by the interruption Change the Time or Date Point the arrow cursor to either the Time or Date by using the UP and DOWN keys Use the RIGHT key to select that line UP and DOWN keys change the digit presently under the blinking cursor RIGHT and LEFT keys move the cursor horizontally If the cursor is moved all the way to the left the cursor will turn into an arrow any pending c...

Page 22: ...irm Set Slope Screen If not already displayed use the MENU and arrow keys to select the SET SLOPE screen then press ENTER Figure 3 18 Set Slope Screen Exact screen format varies by model type Change Slope 1P represents slope adjustment applied to Amp 1 when in the Primary Path 1S represents slope adjustment applied to Amp 1 when in the Standby Path 2P represents slope adjustment applied to Amp 2 w...

Page 23: ...To View Events If there are no events logged then the user will not be able to access the EVENT sub screen The events are ordered chronologically the most recent event will have the highest number and be displayed first Point the arrow to EVENTS using the UP DOWN LEFT and RIGHT keys Press ENTER key to select The display will read There is one screen for each event in the Event Log press the UP and...

Page 24: ...do not have slope equalization attenuation is associated with the Online path and is independent of amplifier switching in that path In units that do have slope equalization attenuation is applied to both the Online and Standby paths and is not independent of amplifier switching in that path Attenuation settings are stored in nonvolatile memory and at startup they are reset to their last set value...

Page 25: ...ny SET commands will be ignored and the unit will respond with and error code The response time from command to acknowledge is 100 ms maximum Since all bytes are ASCII printable characters a compatible terminal may be used to control the equipment or monitor traffic on the communication bus SERIAL MESSAGE FORMAT The serial message format is as follows HEADER ADDRESS COMMAND ERROR CODE PARAMETERS T...

Page 26: ...checksum calculation return the checksum character for the message in array subtract 32 from each character before taking modulo 95 sum add 32 to the final sum mes_len message length char check_sum char array char mes_len char i sum for i 0 sum 0 i mes_len i sum array 32 sum 95 return sum 32 ...

Page 27: ...I Amplifier Priority 1 2 unit only SLP Slope SWT On line Standby Status cmd same as P query same as S VLT Voltage and Current Readings ERROR Codes ASCII Character Function a Command not recognized b Illegal parameter or parameter out of range c Unit in Local mode d Busy SYSTEM FAULT STATUS ALR there is no SET command The QUERY command requires no parameters Command Parameters Remote Command Sequen...

Page 28: ...ommand Parameters Remote Command Sequence ATTn Unit Response ATTnTttt n attenuator path number T attenuation indicator ttt attenuation in tenths of a dB For a 1 1 system with Input Attenuator n 1 Input Attenuator For a 1 1 system with Output Attenuator n 1 Output Attenuator For a 1 1 system with Input and Output Attenuators with no Slope n 1 Input Attenuator n 2 Output Attenuator For a 1 1 system ...

Page 29: ...Response CLKYyyyyMmmDddHhhNnnSss Y Year indicator yyyy Year four digit ASCII numeric characters MSD transmitted first LSD last M Month indicator mm Month two digit ASCII numeric characters D Day indicator dd Day two digit ASCII numeric characters H Hour indicator hh Hour two digit ASCII numeric characters N Minute indicator nn Minute two digit ASCII numeric characters S Second indicator ss Second ...

Page 30: ...s maximum Additional events will cause the oldest events to be aged out Command Parameters Remote Command Sequence LOGgg Unit Response LOGggCYyyyyMmmDddHhhNnnSssEeee gg Two digit ASCII numeric characters MSD transmitted first LSD last Indicating the log entry queried C Calendar Clock indicator Y Year indicator yyyy Year four digit ASCII numeric characters MSD transmitted first LSD last M Month ind...

Page 31: ...tch2 Fault Recovery 36 Switch3 Fault Recovery 37 Switch4 Fault Recovery 38 Power Supply A Fault 39 Power Supply A Fault Recovery 40 Power Supply B Fault 41 Power Supply B Fault Recovery 42 Remote Local Control Mode Change 43 49 Reserved for future use REDUNDANCY MODE MOD The SET command requires one parameter a single digit in length representing the redundancy mode indicator Command Parameters Re...

Page 32: ...git representing the path number The second parameter is a single ASCII character representing the sign of the slope The third parameter is two ASCII characters in length representing the magnitude of the slope in tenths of a dB Command Parameters Remote Command Sequence SLPnsbb Unit Response SLP The QUERY command requires one parameter The parameter is a single ASCII digit representing the path n...

Page 33: ...ine A1 Standby Dual 1 1 a 1 A1 On line A2 Standby a 2 A2 On line A1 Standby a 3 A3 On line A4 Standby a 4 A4 On line A3 Standby 1 2 a 1 A1 On line A2 On line A3 Standby a 2 A1 Standby A2 On line A3 On line a 3 A1 On line A2 Standby A3 On line The QUERY command requires no parameters Command Parameters Remote Command Sequence SWT or S Unit Response SWTa b or Sa b 1 1 a 0 A1 On line A2 Standby a 1 A...

Page 34: ... high 999 ma Remote Command Sequence A LIM2L000H999 Unit Response A LIM b B Query Alarm Status Combined The unit returns that there are no Alarms Remote Command Sequence A ALR z Unit Response A ALR000 K RS422 BUS TERMINATION A jumper selectable 120 ohm termination resistor is connected across the DATA IN and DATA OUT terminals Installing E1 places the resistor across the DATA OUT terminals and E2 ...

Page 35: ...ORMAL 7 13 25 A2 FAULT 25 13 7 SIGNAL FRAME GROUND 4 Dual 1 1 Status Output Connector Contact Closure Option Only J2 Pin designations are indicated in Figure 3 3 TABLE 3 3 DUAL 1 1 STATUS OUTPUTS CONTACT CLOSURE J2 DESCRIPTION COMMANDS CLOSED COMMON OPEN A1 ONLINE A2 STANDBY 20 26 1 A2 ONLINE A1 STANDBY 1 26 20 A3 ONLINE A4 STANDBY 32 36 14 A4 ONLINE A3 STANDBY 14 36 32 AUTO 27 2 8 MANUAL 8 2 27 D...

Page 36: ...UAL 7 6 5 DESCRIPTION STATUS A1 A2 ONLINE A3 STANDBY 8 11 9 10 A2 A3 ONLINE A1 STANDBY 9 11 8 10 A1 A3 ONLINE A2 STANDBY 10 11 8 9 LOCAL 26 27 28 REMOTE 28 27 26 AUTO 29 30 31 MANUAL 31 30 29 SYSTEM NORMAL 25 24 23 SYSTEM FAULT 23 24 25 A1 NORMAL 14 13 12 A1 FAULT 12 13 14 A2 NORMAL 17 16 15 A2 FAULT 15 16 17 A3 NORMAL 22 21 20 A3 FAULT 20 21 22 SIGNAL FRAME GROUND 36 Remote Interface Connector J2...

Page 37: ... with the computer see Page 31 Table 3 6 Ethernet Cable Wiring Setup Setup of the Ethernet Interface should be attempted only after the unit is fully installed and functioning in accordance with the Operation and Maintenance O M Manual Once operating the Ethernet Interface may be configured Configuring Internet Protocol IP Operating Parameters An Internet Protocol IP address and associated paramet...

Page 38: ...hether a connection was established ACCESSING THE SYSTEM Access via the Web Interface All system settings may be may be queried or modified via the Web Interface The web page designs have been optimized for the use with the Microsoft Internet Explorer MSIE Version 5 0 web browser or higher Use of Cookies must be enabled see the TOOLS INTERNET OPTIONS PRIVACY setting Web access may function properl...

Page 39: ...logo along with the model number of the unit is displayed all pages Function Name Description Mode Select between Auto and Manual Redundancy Modes Remote Show the current Control Mode Amplifier Fault Show Amplifier Fault Status Switch Fault Show Switch Fault Status Power Supply Fault Show Power Supply Fault Status ...

Page 40: ...n 34 Figure 3 23 Home Screen Home Page Function Name Description Amplifier Status Select Show Online and Standby Amplifier Paths Amplifier Currents Show Amplifier Currents Current Limits Set Amplifier Currents ...

Page 41: ...s changing this value will reset the system IP Subnet Mask View or set the system IP Subnet Mask changing this value will reset the system IP Gateway View or set the system IP Gateway changing this value will reset the system System Contact View or set the SNMP System Contact parameter System Name View or set the SNMP System Name parameter System Location View or set the SNMP System Location param...

Page 42: ...Time and Date Screen The unit is equipped with a real time clock which can be adjusted from the Time Page Simply use the pull downs to adjust the display for the desired settings pull down the unlock tab and submit the changes ...

Page 43: ... Un lock All Pages Disables the screen locked function at each page Alarm Refresh Rate View or set how frequently the alarm indications will be refreshed on the Logs page Web Timeout View or set the time before a web user is logged off due to inactivity Old Password New Password Confirm New Password Update the system password 1 5 digits All three values must be entered If the old password does not...

Page 44: ...he events stored in the event log The event log can be cleared by unlocking the screen and pressing the clear log button Log Page Function Name Description Log Listing View a listing of all system log entries Clear Logs Clear the system log Logout The user is logged off the system ...

Page 45: ...Operation 39 Figure 3 28 Logout Page Pressing the Logout button will end the session and the page shown above will appear on the browser screen ...

Page 46: ... 3 6 1 4 1 14994 1 4 r w Trap repetition rate ipAddr 1 3 6 1 4 1 14994 1 5 r w IP address for the system ipSub 1 3 6 1 4 1 14994 1 6 r w IP subnet mask for the system ipGate 1 3 6 1 4 1 14994 1 7 r w IP gateway address for the product firmwareLoad 1 3 6 1 4 1 14994 1 8 r w Permit remote firmware upgrading telnetEnable 1 3 6 1 4 1 14994 1 9 r w Permit system access via Telnet loginTimeout 1 3 6 1 4...

Page 47: ...517 1 10 r w set get amplifier priority 1 2 unit only slope 1 3 6 1 4 1 14994 25 171517 1 11 r w set get slope using amp select value slopeDirect 1 3 6 1 4 1 14994 25 171517 1 12 w o set slope using amp path and slope value in cmd status 1 3 6 1 4 1 14994 25 171517 1 13 r o get system status swPos 1 3 6 1 4 1 14994 25 171517 1 14 r w set get On line Standby switch position voltage 1 3 6 1 4 1 1499...

Page 48: ...reasons When a Telnet connection is established the Converter will request the password which should be sent in the standard MITEQ wrapper address byte ignored password checksum byte The default password is five numerical ones and can be type in as 11111 Figure 3 29 Opening Telnet Port Figure 3 30 Telnet Communications Once the connection is established standard serial commands may be sent and res...

Page 49: ...ON In the event of a failure in LCL components refer to Section 5 to determine possible causes remedies SHUTDOWN PROCEDURE The Local Control Unit and Redundant Amplifier Assembly are completely shut down when the AC power is removed ...

Page 50: ...7 FUNCTIONAL DESCRIPTION The 1 1 Redundant Line Amplifier System is equipped with fully redundant hot swap power supplies They are designed to allow a fault to be repaired and or routine maintenance to be performed without disruption of signal transmission The Redundant Amplifier Assembly consists of two amplifiers one on line A1 and one in standby mode A2 A fault condition in an on line amplifier...

Page 51: ...Principles of Operation 45 Figure 4 1 Block Diagram Local Control Unit ...

Page 52: ...Principles of Operation 46 Figure 4 2 Block Diagram Redundant LNA Unit ...

Page 53: ...ps below 4 5V It also contains a watchdog timer which must be periodically reset by the microprocessor Failure to do so indicates a circuit failure and causes a reset pulse to be generated The analog section monitors the DC voltage fault levels for the power supplies and the current sensor interface CONTACT CLOSURE REMOTE INTERFACE BOARD A4A3 CONTACT CLOSURE OPTION ONLY The Contact Closure Interfa...

Page 54: ...91 5 725 6 725 0 4 1 2 1 20 SMA female RL1 584643 111907 4 5 845 6 425 0 3 1 2 1 23 SMA female RL1 640720 122280 6 4 7 2 0 3 1 2 1 23 SMA female RL1 725840 117660 7 0 8 5 0 4 1 2 1 20 SMA female RL1 107128 111895 10 7 12 75 0 3 1 2 1 23 SMA female RL1 137148 122551 12 7 15 0 0 4 1 2 1 20 SMA female RL1 177212 133049 17 7 22 0 0 5 1 2 1 20 SMA female RL1 177220 133049 17 7 22 0 0 5 1 2 1 20 SMA fem...

Page 55: ...1 75 0 95 2 15 1 50 1 80 2 00 2 70 3 40 4 20 4 50 4 80 5 725 6 725 5 845 6 430 6 40 7 20 7 25 8 40 10 70 12 75 13 75 14 8 17 70 21 20 17 70 22 00 27 50 31 00 31 00 33 00 Noise Figure Below 4 2 GHz 4 2 12 75 GHz 12 75 14 5 GHz Above 14 5 GHz 2 dB maximum 3 dB maximum 4 dB maximum 7 dB maximum Gain 37 dB minimum 47 dB minimum Option 16A 57 dB minimum Option 16B Gain Flatness 0 3 dB p p any 40 MHz 0 ...

Page 56: ...A female RL1 177220 136040 1 TBD TBD TBD TBD TBD RL1 275310 136040 2 TBD TBD TBD TBD TBD RL1 310330 136040 3 TBD TBD TBD TBD TBD ISOLATORS A2A8 Model Number Part Number Frequency GHz Insertion Loss dB VSWR 50 Ohms Isolation dB min Connectors RL1 095145 116853 2 0 95 1 45 0 4 1 15 1 20 SMA female RL1 095175 116853 5 0 95 1 75 0 4 1 15 1 20 SMA female RL1 095215 127169 0 95 2 05 0 4 1 15 1 23 SMA fe...

Page 57: ...RL1 177220 135962 Ka2 17 70 22 00 2 0 1 30 1 5 RL1 275310 135962 Ka3 27 50 31 00 2 0 1 30 3 5 RL1 310330 135962 Ka4 31 00 33 00 N A 30 3 5 ISOLATORS A2A12 Model Number Part Number Frequency GHz Insertion Loss dB VSWR 50 Ohms Isolation dB min Connectors RL1 095145 116853 2 0 95 1 45 0 4 1 15 1 20 SMA female RL1 095175 116853 5 0 95 1 75 0 4 1 15 1 20 SMA female RL1 095215 127169 0 95 2 05 0 4 1 15 ...

Page 58: ...Principles of Operation 52 OUTPUT ATTENUATOR OPTION 4 ONLY PIN DIODE ATTENUATOR A2A13 See Table for Pin Diode Attenuator A2A11 ISOLATOR A2A14 See Table for Isolator A2A12 ...

Page 59: ...wer supply GAIN OF THE REDUNDANT LINE AMPLIFIER ASSEMBLY The following procedure is to be followed for gain measurements Connect the test equipment as shown in Figure 5 1 Set the sweeper to cover the required input frequency range Set the attenuator on the log memory scope to 000 and memorize the input reference Connect the 1 1 Redundant Line Amplifier System to the test setup and measure the desi...

Page 60: ...upply check the AC voltage input to the power supply Isolate the malfunctioning supply and remove it Check the power supply fuse and replace it if necessary If the AC input and fuse are good replace the power supply as described on Page 5 and adjust it to the proper voltage levels ...

Page 61: ...ons 9 display timeout 9 keypad navigation 8 LCD 8 menus and screens alarm menu 17 attenuation screen 15 contrast adjust screen 14 current limit screen 11 current monitor screen 11 date time screen 15 default screen 9 ethernet parameter 13 main menu 9 manual auto screen 18 online stanby screen 10 priority screen 14 remote local screen 18 remote format screen 12 set slope screen 16 voltage monitor s...

Page 62: ...nsor board 47 amplifiers 49 contact closure remote interface board 47 control board assembly 47 input attenuator 51 input monitor 50 isolators 48 output attenuator 52 output monitor 50 power supplies 47 power supply connector board 47 RF switch 48 W Wiring crossover cable 31 direct cable 31 Index ...

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