Tektronix TCR801 Online Help
Optical Clock Recovery Application
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Table of Contents
Table of Contents
Overview....................................................................................................................................................................................... 6
Getting started...............................................................................................................................................................................7
Minimum system requirements.............................................................................................................................................. 7
Install the software................................................................................................................................................................. 7
Operating basics........................................................................................................................................................................... 8
Launch the application........................................................................................................................................................... 8
Application controls.........................................................................................................................................................8
Menu options......................................................................................................................................................................... 9
File menu...................................................................................................................................................................... 10
Utility menu................................................................................................................................................................... 12
Help menu.................................................................................................................................................................... 15
Remote control commands......................................................................................................................................................... 16
Lock state: All (unless noted)...............................................................................................................................................16
Identification..................................................................................................................................................................16
Get Serial Number........................................................................................................................................................ 16
Get FW Version............................................................................................................................................................ 17
Stop Locking................................................................................................................................................................. 17
Get Lock Status............................................................................................................................................................ 17
Relock...........................................................................................................................................................................17
Get Autorelock State.....................................................................................................................................................18
Set Autorelock On or Off...............................................................................................................................................18
Check Error Status .......................................................................................................................................................18
Get Data Rate...............................................................................................................................................................18
Set Loop Bandwidth......................................................................................................................................................19
Get Loop Bandwidth..................................................................................................................................................... 19
Get Calibration Date..................................................................................................................................................... 19
Get Output State...........................................................................................................................................................20
Lock State: LOCKED........................................................................................................................................................... 21
Get Meas Data Rate..................................................................................................................................................... 21
Get Output CLK Freq....................................................................................................................................................21
Set Output State, ON or OFF........................................................................................................................................21
Get Optical PWR Status............................................................................................................................................... 22
Lock State: Unlocked........................................................................................................................................................... 23
Set Data Rate............................................................................................................................................................... 23
Start Locking.................................................................................................................................................................23
Reset............................................................................................................................................................................ 24
Optical Clock Recovery Application Help v
Overview
The Tektronix Optical Clock Recovery (OCR) application is Microsoft Windows based application wthat allows for remote
connection to a TCR801 device to control and analyze clock recovery and signal parameters. Clock recovery for optical
signals (CRO) recovers clock or sub-clock of PAM2 and PAM4 signals in the range of 52 to 58 GBd and 25 to 29 GBd.
The main advantage of this application is clock recovery in support of acquisition of optical signals on Tektronix sampling
oscilloscopes. The CRO can support other equipment that requires recovered high-speed clock, such as error detectors and
similar equipment.
Overview
Key features
• Optical-to-electrical conversion gain for high dynamic range
• Recovers clock from PAM2 and PAM4 signals with symbol rate in the range of 52 to 58 GBd
• Adjustable loop bandwidth from 0.2 to 10 MHz
• 2x Clock electrical output (CLK/4 (13 to 14.5 GHz) for a 52 to 58 GBd input, CLK/2 (13 to 14.5 GHz) for a 26 to 29 GBd
signal)
• 2x20 LCD Display to view the ethernet address and symbol rate when the status is locked
• Ethernet port to control the instrument
• Type-B USB port to reset the IP configuration
• An external 12 V power supply
• Auto-relock functionality to relock the signals in seconds
Optical Clock Recovery Application Help 6
Getting started
Minimum system requirements
The following tables show the minimum hardware and software requirements to install and run the Optical Clock Recovery
(OCR) application.
Table 1: Software requirements
Component Description
Operating system
Table 2: Hardware requirements
Component Description and quantity
Clock recovery instrument TCR801
Connectivity LAN cable - 1 No
Cable
Getting started
Windows 7 and above
1 Ethernet cable
2 SMA cables
Power Supply One 12 V power supply
Install the software
Complete the following steps to download and install the latest Optical Clock Recovery application. See Minimum system
requirements on page 7 for compatibility.
1. Go to the www.tek.com.
2. Click Downloads. In the Download menu, select Software as the DOWNLOAD TYPE, enter Optical Clock Recovery in
the MODEL OR KEYWORD field, and click SEARCH.
3. Select the latest version of software and follow the instructions to download the application.
4. Double-click the executable and follow the on-screen instructions to install the application.
See also
Minimum system requirements on page 7
1 single mode optical fiber cable
Optical Clock Recovery Application Help 7
Operating basics
Launch the application
To launch the OCR application, double click on the Tek-OCR-Application icon on the desktop.
Operating basics
Application controls
The OCR application has a user interface controls. Use these controls to monitor and control the clock recovery and signal
parameters.
Table 3: Application controls and descriptions
Control Description
Menu controls
File
Utility
Help
Minimize Click to minimize the OCR application.
• Default Setup
• Connect
• Disconnect
• Exit
• IP Configuration
• Software Upgrade
• About
• User Manual
• Third Party software attribution statement
Table continued…
Optical Clock Recovery Application Help 8
Operating basics
Control Description
Maximize Click maximize the OCR application.
Close Click to close the OCR application.
Configuration controls
Lock Status Displays the current status of the device. Possible status
indicators are Locked, Unlocked, Lost Lock, or Locking.
Default status is Unlocked.
Lock Click to start or end the lock process of the device.
Clock Output Select to toggle between clock output on or off.
Default status is Off.
Measured Input Power Displays the measured input power. Possible values are
Too Low, Low, Medium, High, Too High, None.
Default is None.
Loop Bandwidth Enter the loop bandwidth value in the text field.
Symbol Rate Enter the symbol rate value in the text field.
Measured Symbol Rate Displays the measured symbol rate value.
Clock Frequency Displays the clock frequency value.
Menu options
The menu bar provides access to the following controls.
Default value is the last entered loop bandwidth value on the
device.
Default value is the last entered symbol rate value on the
device.
Default value is 0.00 GBd.
Default value is 0.0 MHz.
Optical Clock Recovery Application Help 9
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