Tektronix VX4610 User manual

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User Manual
VX4610
SDH/SONET Generator/Receiver
070-8855-03
This document supports firmware version 1.30
and above.
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to the Safety Summary prior to
performing service.

Copyright ©Tektronix, Inc. All rights reserved. Licensed software products are owned by Tektronix or its suppliers and are
protected by United States copyright laws and international treaty provisions.
Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c)(1)(ii) of the Rights
in Technical Data and Computer Software clause at DFARS 252.227-7013, or subparagraphs (c)(1) and (2) of the
Commercial Computer Software – Restricted Rights clause at FAR 52.227-19, as applicable.
Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes
that in all previously published material. Specifications and price change privileges reserved.
Printed in the U.S.A.
Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.

WARRANTY
Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and
workmanship for a period of one (1) year from the date of shipment. If a product proves defective during this
warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor,
or will provide a replacement in exchange for the defective product.
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration
of the warranty period and make suitable arrangements for the performance of service. Customer shall be
responsible for packaging and shipping the defective product to the service center designated by Tektronix, with
shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a
location within the country in which the Tektronix service center is located. Customer shall be responsible for
paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage
resulting from attempts by personnel other than Tektronix representatives to install, repair or service the product;
b) to repair damage resulting from improper use or connection to incompatible equipment; c) to repair any
damage or malfunction caused by the use of non-Tektronix supplies; or d) to service a product that has been
modified or integrated with other products when the effect of such modification or integration increases the time
or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES, EXPRESS
OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. TEKTRONIX’
RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND
EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY.
TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR
THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.

VX4610 SDH/SONET Generator/Receiver User Manual i
Table of Contents
General Safety Summary xv. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Safety Summary xvii. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preface xix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
About This Manual xix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Related Manuals xx. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contacting Tektronix xx. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Getting Started
Product Description 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuration 1–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 1–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring the GPIB Hardware 1–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring the MXI Hardware 1–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Establishing Communication with the VX4610 1–13. . . . . . . . . . . . . . . . . . . . . . . . .
Functional Check 1–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Basics
Functional Overview 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Front-Panel Connectors and Lights 2–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Simplified Block Diagram 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VX4610 Features and Capabilities 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument I/O 2–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overhead Add/Drop Port 2–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VXIbus Interface 2–25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Programming Model 2–27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Blocks 2–27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Modes of Operation 2–27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using Triggers 2–28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Custom Payload Generation and Capture 2–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Examples of Command Usage 2–33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Generating Signals 2–33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Receiving Signals 2–37. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SONET/SDH Signal Testing 2–39. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trigger and Capture 2–40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Custom Payload Generation and Capture 2–42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tributary Signal Testing 2–44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Syntax and Commands
Syntax 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SCPI Commands and Queries 3–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IEEE 488.2 Common Commands 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Command Groups 3–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
ii VX4610 SDH/SONET Generator/Receiver User Manual
Transmit Commands 3–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OUTPUT1 Subsystem 3–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OUTPUT2 Subsystem 3–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OUTPUT3 Subsystem 3–24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SOURce:CLOCk Subsystem 3–28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SOURce:DATA:TELecom Subsystem 3–38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SOURce:DATA:TELecom:OVERhead and POVerhead Subsystem 3–53. . . . . . . . . .
SOURce:DATA:TELecom:ERRor, ALARm, and FAILure Subsystem 3–72. . . . . . .
SOURce:DATA:TELecom:POINter Subsystem 3–88. . . . . . . . . . . . . . . . . . . . . . . . .
SOURce:DATA:TELecom:PAYLoad:CUSTom Subsystem 3–116. . . . . . . . . . . . . . . .
SOURce:DATA:TELecom:TRIButary Subsystem 3–129. . . . . . . . . . . . . . . . . . . . . . .
SOURce:DATA:TELecom:TRIButary:ERRor, ALARm, FAILure Subsystem 3–148.
SOURce:DATA:TELecom:TRIButary:POINter Subsystem 3–155. . . . . . . . . . . . . . . .
Receive Commands 3–181. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INPUT1 Subsystem 3–182. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INPUT2 Subsystem 3–193. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INPUT3 Subsystem 3–198. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SENSe:DATA:TELecom Subsystem 3–203. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SENSe:DATA:TELecom:TEST Subsystem 3–218. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SENSe:DATA:TELecom:OVERhead and POVerhead Subsystem 3–225. . . . . . . . . . .
SENSe:DATA:TELecom:MEASure Subsystem 3–234. . . . . . . . . . . . . . . . . . . . . . . . .
SENSe:DATA:TELecom:MEASure:HISTory Subsystem 3–256. . . . . . . . . . . . . . . . . .
SENSe:DATA:TELecom:MEASure:STESts Subsystem 3–266. . . . . . . . . . . . . . . . . . .
SENSe:DATA:TELecom:PAYLoad:CUSTom Subsystem 3–283. . . . . . . . . . . . . . . . .
SENSe:DATA:TELecom:AUTOscan Subsystem 3–289. . . . . . . . . . . . . . . . . . . . . . . .
SENSe:DATA:TELecom:TRIButary Subsystem 3–291. . . . . . . . . . . . . . . . . . . . . . . . .
SENSe:DATA:TELecom:MEASure:TRIButary Subsystem 3–312. . . . . . . . . . . . . . . .
Generator/Receiver Setup Commands 3–327. . . . . . . . . . . . . . . . . . . . . . . . .
INSTrument Subsystem 3–327. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trigger and Capture Commands 3–347. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ABORt, INITiate, and TRIGger Subsystem 3–349. . . . . . . . . . . . . . . . . . . . . . . . . . . .
TRIGger2 Subsystem 3–365. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Control Commands 3–371. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SYSTem Subsystem 3–371. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diagnostic Commands 3–389. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIAGnostic Subsystem 3–389. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Common Commands 3–411. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Status and Events
Status and Events 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Status and Event Reporting System 4–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Status and Event Reporting Process 4–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Synchronization Methods 4–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Messages 4–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Examples
Examples 5–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Table of Contents
VX4610 SDH/SONET Generator/Receiver User Manual iii
Appendices
Appendix A: Specifications A–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance Conditions A–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VX4610 SONET Specification Tables A–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VX4610 SDH Specification Tables A–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix B: ASCII & GPIB code chart B–1. . . . . . . . . . . . . . . . . . . . . . . .
Appendix C: Commands and Queries Posting OPC C–1. . . . . . . . . . . . . .
Appendix D: *LRN? Response D–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix E: Default Parameter Values After *RST E–1. . . . . . . . . . . . . .
Appendix F: SDH/SONET Terminology F–1. . . . . . . . . . . . . . . . . . . . . . . .
Appendix G: Optical Port Connectors G–1. . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning the Optical Ports G–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing Optical Port Connectors G–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix H: User Service H–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exchanging the Plug-in Interface Module H–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing Option 22/36/58 Add/Drop/Test Module H–4. . . . . . . . . . . . . . . . . . . . . .
Preventive Maintenance H–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting H–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
User-Replaceable Parts H–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix I: Performance Verification I–1. . . . . . . . . . . . . . . . . . . . . . . . .
General Information and Conventions I–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment Required I–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VX4610-Under-Test System Configuration I–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Test Record I–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Self Test I–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functional Tests I–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Physical Layer Tests I–31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glossary and Index

Table of Contents
iv VX4610 SDH/SONET Generator/Receiver User Manual
List of Figures
Figure 1–1: Location of the logical address switches on the
VX4610 rear panel 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–2: Removing the VX4610 from the mainframe 1–11. . . . . . . . . .
Figure 1–3: Typical GPIB or MXI/VXI system configuration 1–12. . . . . .
Figure 1–4: The Setup Communications dialog box for GPIB setup 1–14.
Figure 1–5: The Setup Communications dialog box for VISA setup 1–14.
Figure 1–6: Search Bus dialog box 1–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–7: Location of the VX4610 READY light 1–17. . . . . . . . . . . . . . .
Figure 1–8: Location of the eight signal status lights 1–18. . . . . . . . . . . . . .
Figure 1–9: ECL Interface status lights and termination
configuration switches 1–19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1–10: Single-ended loopback test setup 1–20. . . . . . . . . . . . . . . . . . .
Figure 2–1: VX4610 with Standard and Option 02 ECL interface
module 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–2: Optional plug-in interface modules 2–4. . . . . . . . . . . . . . . . . .
Figure 2–3: Option 22, 36, and 58 Add/Drop/Test Modules 2–5. . . . . . . .
Figure 2–4: Simplified block diagram of the VX4610 2–7. . . . . . . . . . . . .
Figure 2–5: Simplified ECL Interface Module clock input circuit
schematic 2–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–6: Typical gapped clock waveforms 2–23. . . . . . . . . . . . . . . . . . . .
Figure 2–7: The overhead add/drop port 2–23. . . . . . . . . . . . . . . . . . . . . . .
Figure 2–8: Modes of operation 2–28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–9: Trigger system in the VX4610 2–29. . . . . . . . . . . . . . . . . . . . . .
Figure 2–10: Custom payload generation 2–31. . . . . . . . . . . . . . . . . . . . . . .
Figure 2–11: Custom payload capture 2–32. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–12: Setup for the VX4610 as a stand-alone tributary
test set 2–44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–13: Setup for testing the SDH tributary payload mapping 2–45.
Figure 2–14: Setup for testing the mapping capability of an NE 2–47. . . .
Figure 2–15: Setup for testing demapping capability of an NE 2–48. . . . .
Figure 2–16: Setup for testing the external connection of an
add/drop/test set 2–49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–1: Example of SCPI subsystem hierarchy tree 3–1. . . . . . . . . . .
Figure 3–2: Example of abbreviating a command 3–3. . . . . . . . . . . . . . . .

Table of Contents
VX4610 SDH/SONET Generator/Receiver User Manual v
Figure 3–3: Example of chaining commands and queries 3–4. . . . . . . . . .
Figure 3–4: Example of omitting root and lower-level nodes
in chained message 3–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–5: Example of command listing 3–9. . . . . . . . . . . . . . . . . . . . . . .
Figure 3–6: How to interpret a <decimal value> parameter or
response 3–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–7: OUTPUT1 subsystem 3–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–8: OUTPUT2 subsystem 3–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–9: OUTPUT3 subsystem 3–24. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–10: SOURce:CLOCk subsystem 3–29. . . . . . . . . . . . . . . . . . . . . .
Figure 3–11: SOURce:DATA:TELecom subsystem 3–38. . . . . . . . . . . . . . .
Figure 3–12: SOURce:DATA:TELecom:OVERhead and
POVerhead subsystem 3–53. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–13: How to read the overhead default values table 3–53. . . . . . .
Figure 3–14: SONET STS-1 overhead default values 3–54. . . . . . . . . . . . .
Figure 3–15: SONET STS-3c and SDH Overhead default values 3–55. . .
Figure 3–16: SOURce:DATA:TELecom:ERRor, ALARm, and
FAILure subsystem 3–72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–17: SOURce:DATA:TELecom:POINter subsystem 3–88. . . . . . .
Figure 3–18: SOURce:DATA:TELecom:PAYLoad:CUSTom
subsystem 3–116. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–19: SONET STS-1 custom payload 3–117. . . . . . . . . . . . . . . . . . . .
Figure 3–20: SONET STS-3c and SDH custom payload 3–118. . . . . . . . . . .
Figure 3–21: SOURce:DATA:TELecom:TRIButary subsystem 3–129. . . .
Figure 3–22: SOURce:DATA:TELecom:TRIButary:ERRor,
ALARm, FAILure subsystem 3–148. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–23: SOURce:DATA:TELecom:TRIButary:POINTer
subsystem 3–155. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–24: INPUT1 subsystem 3–182. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–25: INPUT2 subsystem 3–193. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–26: INPUT3 subsystem 3–198. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–27: SENSe:DATA:TELecom subsystem 3–203. . . . . . . . . . . . . . . .
Figure 3–28: SENSe:DATA:TELecom:TEST subsystem 3–218. . . . . . . . . .
Figure 3–29: SENSe:DATA:TELecom:OVERhead and POVerhead
subsystem 3–225. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–30: SENSe:DATA:TELecom:MEASure:ANALysis
subsystem (SONET) 3–234. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–31: SENSe:DATA:TELecom:MEASure:ANALysis
subsystem (SDH) 3–235. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–32: SENSe:DATA:TELecom:MEASure:ERRor subsystem 3–236

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vi VX4610 SDH/SONET Generator/Receiver User Manual
Figure 3–33: SENSe:DATA:TELecom:MEASure:POINter
subsystem 3–236. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–34: SENSe:DATA:TELecom:MEASure:ALARm
subsystem 3–237. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–35: SENSe:DATA:TELecom:MEASure:BUFFer and
INFOrmation subsystems 3–237. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–36: How to read the syntax tables in the
SENSe:DATA:TELecom:MEASure subsystem section 3–240. . . . . . . .
Figure 3–37: How to read the example tables in the SENSe:DATA:
TELecom:MEASure subsystem section 3–241. . . . . . . . . . . . . . . . . . . . .
Figure 3–38: SENSe:DATA:TELecom:MEASure:HISTory
subsystem 3–256. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–39: How measurement history is stored and retrieved 3–257. . . .
Figure 3–40: SENSe:DATA:TELecom:MEASure:STESts
subsystem 3–266. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–41: SENSe:DATA:TELecom:PAYLoad:CUSTom
subsystem 3–283. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–42: SONET STS-1 custom payload 3–284. . . . . . . . . . . . . . . . . . . .
Figure 3–43: SONET STS-3c and SDH custom payload 3–284. . . . . . . . . . .
Figure 3–44: SENSe:DATA:TELecom:AUTOscan subsystem 3–289. . . . . .
Figure 3–45: SENSe:DATA:TELecom:TRIButary subsystem 3–291. . . . . .
Figure 3–46: SENSe:DATA:TELecom:MEASure:TRIButary:ERRor
subsystem (DS1/DS3) 3–312. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–47: SENSe:DATA:TELecom:MEASure:TRIButary:ERRor
subsystem (PDH) 3–313. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–48: SENSe:DATA:TELecom:MEASure:TRIButary:ANALysis
subsystem (DS1/DS3) 3–313. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–49: SENSe:DATA:TELecom:MEASure:TRIButary:ANALysis
subsystem (PDH) 3–314. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–50: SENSe:DATA:TELecom:MEASure:TRIButary:ALARm
subsystems (DS1/DS3) 3–315. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–51: SENSe:DATA:TELecom:MEASure:TRIButary:ALARm
subsystems (PDH) 3–315. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–52: How to read the syntax tables in the SENSe:DATA:
TELecom:MEASure:TRIButary subsystem section 3–317. . . . . . . . . . .
Figure 3–53: How to read the example tables in the SENSe:DATA:
TELecom:MEASure:TRIButary subsystem section 3–318. . . . . . . . . . .
Figure 3–54: INSTrument subsystem 3–327. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–55: Trigger system in the VX4610 3–348. . . . . . . . . . . . . . . . . . . . .
Figure 3–56:ABORt, INITiate, and TRIGger subsystem 3–349. . . . . . . . . .
Figure 3–57: TRIGger2 subsystem 3–365. . . . . . . . . . . . . . . . . . . . . . . . . . . .

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VX4610 SDH/SONET Generator/Receiver User Manual vii
Figure 3–58: SYSTem subsystem 3–371. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 3–59: DIAGnostic subsystem 3–389. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 4–1: Status and event reporting process 4–6. . . . . . . . . . . . . . . . . .
Figure G–1: Removing the optical bulkhead connector G–2. . . . . . . . . . .
Figure G–2: FC optical bulkhead assembly G–3. . . . . . . . . . . . . . . . . . . . .
Figure G–3: ST optical bulkhead assembly G–3. . . . . . . . . . . . . . . . . . . . .
Figure G–4: DIN 47256 optical bulkhead assembly G–4. . . . . . . . . . . . . . .
Figure G–5: SC optical bulkhead assembly G–4. . . . . . . . . . . . . . . . . . . . .
Figure H–1: Exchanging the Plug-in Interface Module H–3. . . . . . . . . . . .
Figure H–2: Installation of Option 22, 36, or 58 assembly H–5. . . . . . . . .
Figure H–3: Locations of user-replaceable parts H–9. . . . . . . . . . . . . . . . .
Figure I–1: VX4610 front-panel status lights I–16. . . . . . . . . . . . . . . . . . . .
Figure I–2: Transmit electrical output amplitude check I–32. . . . . . . . . . .
Figure I–3: Transmit electrical output pulse shape setup I–35. . . . . . . . . .
Figure I–4: Transmit optical output pulse shape setup I–40. . . . . . . . . . . .
Figure I–5: Setup for electrical input sensitivity I–43. . . . . . . . . . . . . . . . .
Figure I–6: Receive optical input sensitivity setup I–45. . . . . . . . . . . . . . . .
Figure I–7: Internal clock accuracy setup I–48. . . . . . . . . . . . . . . . . . . . . . .
Figure I–8: Transmit line frequency offset setup I–49. . . . . . . . . . . . . . . . .
Figure I–9: Recovered clock frequency lock setup I–52. . . . . . . . . . . . . . . .
Figure I–10: BITS reference frequency-lock setup I–56. . . . . . . . . . . . . . .
Figure I–11: 2 Mb/s reference frequency-lock setup I–57. . . . . . . . . . . . . .
Figure I–12: External clock setup I–59. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure I–13: Trigger output setup I–63. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure I–14: Trigger input setup I–64. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure I–15: DS1 signal level setup (Option 22 shown) I–66. . . . . . . . . . . .
Figure I–16: DS1 pulse shape setup (Option 22 shown) I–68. . . . . . . . . . .
Figure I–17: DS1 data formats setup (Option 22 shown) I–71. . . . . . . . . .
Figure I–18: DS1 monitor receive level setup (Option 22 shown) I–72. . .
Figure I–19: DS1 external clock setup (Option 22 shown) I–74. . . . . . . . .
Figure I–20: DS3 signal level setup (Option 22 shown) I–76. . . . . . . . . . . .
Figure I–21: DS3 pulse shape setup (Option 22 shown) I–78. . . . . . . . . . .
Figure I–22: DS3 monitor receive level setup (Option 22 shown) I–80. . .
Figure I–23: DS3 external clock setup (Option 22 shown) I–81. . . . . . . . .
Figure I–24: 2 Mb/s pulse mask setup (Option 36 shown) I–83. . . . . . . . .

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viii VX4610 SDH/SONET Generator/Receiver User Manual
Figure I–25: 2 Mb/s monitor receive level setup (Option 36 shown) I–87.
Figure I–26: 2 Mb/s balanced bridged setup (Option 36 shown) I–88. . . .
Figure I–27: 2 Mb/s balanced external clock setup
(Option 36 shown) I–90. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure I–28: 2 Mb/s cable equalization setup (Option 36 shown) I–91. . . .
Figure I–29: 2 Mb/s pulse mask setup (Option 36 shown) I–93. . . . . . . . .
Figure I–30: 2 Mb/s bridged setup (Option 36 shown) I–96. . . . . . . . . . . .
Figure I–31: 2 Mb/s monitor receive level setup (Option 36 shown) I–97.
Figure I–32: 2 Mb/s external clock setup (Option 36 shown) I–98. . . . . . .
Figure I–33: 34 Mb/s pulse mask setup (Option 36 shown) I–100. . . . . . . .
Figure I–34: 34 Mb/s monitor receive level setup
(Option 36 shown) I–103. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure I–35: 34 Mb/s cable equalization setup (Option 36 shown) I–104. . .
Figure I–36: 34 Mb/s external clock setup (Option 36 shown) I–106. . . . . .
Figure I–37: 140 Mb/s transmit pulse mask setup
(Option 36 shown) I–108. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure I–38: 140 Mb/s monitor receive level setup
(Option 36 shown) I–111. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure I–39: 140 Mb/s external clock setup (Option 36 shown) I–112. . . . .
Figure I–40: 140 Mb/s cable equalization setup (Option 36 shown) I–114. .
Figure I–41: Jitter tolerance setup (Option 36 shown) I–115. . . . . . . . . . . .
Figure I–42: NRZ tests initial setup I–118. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure I–43: E4 NRZ tests setup I–124. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure I–44: ECL interface status lights and termination
configuration switches I–127. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure I–45: Single-ended loopback test setup I–128. . . . . . . . . . . . . . . . . . .
Figure I–46: Differential loopback test setup I–130. . . . . . . . . . . . . . . . . . . .
Figure I–47: Frame pulse to clock timing test setup I–132. . . . . . . . . . . . . .
Figure I–48: Typical frame pulse to clock timing I–133. . . . . . . . . . . . . . . . .

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VX4610 SDH/SONET Generator/Receiver User Manual ix
List of Tables
Table 1–1: VX4610 SDH/SONET Generator/Receiver standard
accessories 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–2: VX4610 SDH/SONET Generator/Receiver optional
accessories 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 1–3: VX4610 current requirements 1–7. . . . . . . . . . . . . . . . . . . . . .
Table 1–4: VX4610 SDH/SONET Generator/Receiver installation
record 1–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2–1: VX4610 Plug-in Interface Modules 2–1. . . . . . . . . . . . . . . . . .
Table 2–2: VX4610 Option Modules 2–2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2–3: VX4610 operating modes 2–9. . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2–4: VX4610 signal status lights 2–10. . . . . . . . . . . . . . . . . . . . . . . . .
Table 2–5: ECL interface module status lights 2–10. . . . . . . . . . . . . . . . . .
Table 2–6: DS1/DS3 Add/Drop/Test Module signal status lights 2–10. . . .
Table 2–7: 2/34/140 Mb/s Add/Drop/Test Module signal status lights 2–11
Table 2–8: Controls that define the generator setup 2–11. . . . . . . . . . . . . .
Table 2–9: Generator output status summary 2–12. . . . . . . . . . . . . . . . . . .
Table 2–10: Controls that define the receiver setup 2–13. . . . . . . . . . . . . .
Table 2–11: Payload sequence capture timing 2–15. . . . . . . . . . . . . . . . . . .
Table 2–12: Internally derived trigger events 2–16. . . . . . . . . . . . . . . . . . .
Table 2–13: SDH/SONET errors measured by the VX4610 2–18. . . . . . . .
Table 2–14: DS1/DS3/PDH errors measured by the VX4610
(add/drop/test options only) 2–18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 2–15: Types of SONET/SDH error analysis performed 2–19. . . . . .
Table 2–16: Types of tributary/PDH error analysis performed 2–19. . . . .
Table 2–17: Additional events measured by the VX4610 2–20. . . . . . . . . .
Table 2–18: Elements of a pass/fail test 2–20. . . . . . . . . . . . . . . . . . . . . . . .
Table 2–19: Overhead channels added/dropped 2–24. . . . . . . . . . . . . . . . .
Table 2–20: Overhead add/drop port data signal pin assignments 2–24. .
Table 2–21: Overhead add/drop port additional pin assignments 2–24. . .
Table 2–22: Trigger output line assignments 2–25. . . . . . . . . . . . . . . . . . . .
Table 3–1: Parameter types used in syntax descriptions 3–2. . . . . . . . . .
Table 3–2: Using commands to control the response to a query 3–3. . . .
Table 3–3: Functional groups and their subsystems 3–7. . . . . . . . . . . . . .
Table 3–4: Interaction between SOURce:CLOCk commands 3–28. . . . . .

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xVX4610 SDH/SONET Generator/Receiver User Manual
Table 3–5: Error insertion rate limits for SOURce:DATA:TELecom:
ERRor:RATE (SONET) 3–77. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–6: Error insertion rate limits for SOURce:DATA:TELecom:
ERRor:RATE (SONET)
(Add/Drop/Test Option Only) 3–77. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–7: Error insertion rate limits for SOURce:DATA:TELecom:
ERRor:RATE (SDH) 3–77. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–8: Error insertion rate limits for SOURce:DATA:TELecom:
ERRor:RATE (SDH) (Add/Drop/Test Option Only) 3–78. . . . . . . . . .
Table 3–9: How error, alarm, and pointer measurements are
calculated 3–238. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–10: How analysis measurements are calculated 3–238. . . . . . . . . .
Table 3–11: Value of N for analysis measurements (SONET) 3–239. . . . . .
Table 3–12: Value of N for analysis measurements (SDH) 3–239. . . . . . . . .
Table 3–13: Acronyms used in the SENSe:DATA:TELecom:
MEASure queries 3–240. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–14: Syntax for SENSe:DATA:TELecom:MEASure:ERRor
queries 3–241. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–15: Syntax for SENSe:DATA:TELecom:MEASure:ERRor
queries (Add/Drop/Test Option Only) 3–242. . . . . . . . . . . . . . . . . . . . . .
Table 3–16: Examples for SENSe:DATA:TELecom:MEASure:ERRor
queries 3–242. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–17: Syntax for SENSe:DATA:TELecom:MEASure:ANALysis
queries (SONET) 3–243. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–18: Syntax for SENSe:DATA:TELecom:MEASure:ANALysis
queries (SDH) 3–244. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–19: Syntax for SENSe:DATA:TELecom:MEASure:ANALysis
queries (SONET and Add/Drop/Test Option Only) 3–245. . . . . . . . . . .
Table 3–20: Syntax for SENSe:DATA:TELecom:MEASure:
ANALysis queries (SDH and Add/Drop/Test Option Only) 3–246. . . . .
Table 3–21: Example for SENSe:DATA:TELecom:MEASure:
ANALysis queries (SONET) 3–247. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–22: Example for SENSe:DATA:TELecom:MEASure:
ANALysis queries (SDH) 3–247. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–23: Syntax for SENSe:DATA:TELecom:MEASure:ALARm
queries 3–248. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–24: Syntax for SENSe:DATA:TELecom:MEASure:ALARm
queries (Add/Drop/Test Option Only) 3–248. . . . . . . . . . . . . . . . . . . . . .
Table 3–25: Examples of SENSe:DATA:TELecom:MEASure:ALARm
queries 3–249. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–26: Syntax for SENSe:DATA:TELecom:MEASure:POINter
queries 3–249. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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VX4610 SDH/SONET Generator/Receiver User Manual xi
Table 3–27: Syntax for SENSe:DATA:TELecom:MEASure:POINter
queries (Add/Drop/Test Option Only) 3–249. . . . . . . . . . . . . . . . . . . . . .
Table 3–28: Examples of SENSe:DATA:TELecom:MEASure:
POINter queries 3–250. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–29: Syntax for SENSe:DATA:TELecom:MEASure:
INFOrmation queries 3–254. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–30: Example table for SENSe:DATA:TELecom:MEASure:
INFOrmation queries 3–255. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–31: Syntax for SENSe:DATA:TELecom:MEASure:HISTory:
ERRor queries 3–261. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–32: Examples for SENSe:DATA:TELe-
com:MEASure:HISTory:ERRor queries 3–262. . . . . . . . . . . . . . . . . . . .
Table 3–33: Syntaxs for SENSe:DATA:TELecom:MEASure:POINter
queries 3–262. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–34: Examples for SENSe:DATA:TELecom:MEASure:
HISTory:POINter queries 3–263. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–35: How error and alarm measurements are calculated 3–316. . .
Table 3–36: How analysis measurements are calculated 3–316. . . . . . . . . .
Table 3–37: Value of N for analysis measurements (DS1/DS3) 3–316. . . . .
Table 3–38: Value of N for analysis measurements (PDH) 3–317. . . . . . . . .
Table 3–39: Terms used in the SENSe:DATA:TELecom:MEASure:
TRIButary queries 3–318. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–40: Syntax for SENSe:DATA:TELecom:MEASure:
TRIButary:ERRor queries (DS1/DS3) 3–319. . . . . . . . . . . . . . . . . . . . .
Table 3–41: Syntax for SENSe:DATA:TELecom:MEASure:
TRIButary:ERRor queries (PDH) 3–319. . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–42: Examples for SENSe:DATA:TELecom:MEASure:
TRIButary:ERRor queries 3–320. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–43: Syntax for SENSe:DATA:TELecom:MEASure:TRIButary:
ANALysis:T1M1:BIT and :PATH queries (DS1/DS3) 3–321. . . . . . . . .
Table 3–44: SENSe:DATA:TELecom:MEASure:TRIButary:
ANALysis:M2100:IN and M2100:OUT queries (PDH) 3–322. . . . . . . .
Table 3–45: SENSe:DATA:TELecom:MEASure:TRIButary:
ANALysis:G821 queries (PDH) 3–322. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–46: Examples for SENSe:DATA:TELecom:MEASure:
TRIButary:ANALysis queries (DS1/DS3) 3–323. . . . . . . . . . . . . . . . . . .
Table 3–47: Examples for SENSe:DATA:TELecom:MEASure:
TRIButary:ANALysis queries (PDH) 3–323. . . . . . . . . . . . . . . . . . . . . .
Table 3–48: Syntax for SENSe:DATA:TELecom:MEASure:
TRIButary:ALARm queries 3–324. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 3–49: Examples for SENSe:DATA:TELecom:MEASure:
TRIButary:ALARm queries 3–325. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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xii VX4610 SDH/SONET Generator/Receiver User Manual
Table 3–50: Parameters interacting through instrument coupling 3–328. .
Table 4–1: The Status Byte Register 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–2: The Service Request Enable Register 4–2. . . . . . . . . . . . . . . .
Table 4–3: The Standard Event Status Register 4–3. . . . . . . . . . . . . . . . .
Table 4–4: The Event Status Enable Register 4–4. . . . . . . . . . . . . . . . . . .
Table 4–5: Command error messages (bit 5 in Standard Event Status
Register) 4–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–6: Execution error messages (bit 4 in Standard Event Status
Register) 4–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–7: Device dependent error messages (bit 3 in Standard Event
Status Register) 4–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–8: System events 4–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 4–9: Execution warning messages (bit 3 in Standard Event Status
Register) 4–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table A–1: Plug-in interface module, transmit output — SONET A–1.
Table A–2: Plug-in interface module, receive input — SONET A–3. . . . .
Table A–3: Transmitter clock — SONET A–4. . . . . . . . . . . . . . . . . . . . . .
Table A–4: Miscellaneous input/output specifications — SONET A–6. .
Table A–5: Transmit and receive functional specifications —
SONET A–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table A–6: DS1 and DS3 add/drop/test (Options 22 and 58)
specifications — SONET A–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table A–7: General specifications — SONET A–21. . . . . . . . . . . . . . . . . . .
Table A–8: ECL interface (Option 02) functional specifications —
SONET and SDH A–22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table A–9: ECL interface (Option 02) general specifications —
SONET and SDH A–23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table A–10: Plug-in interface module, transmit output — SDH A–24. . . .
Table A–11: Plug-in interface module, receive input — SDH A–25. . . . . .
Table A–12: Transmitter clock — SDH A–26. . . . . . . . . . . . . . . . . . . . . . . .
Table A–13: Miscellaneous input/output specifications — SDH A–28. . . .
Table A–14: Transmit and receive functional specifications — SDH A–29
Table A–15: 2 Mb/s, 34 Mb/s, 140 Mb/s add/drop/test
(Options 36 and 58) specifications — SDH A–34. . . . . . . . . . . . . . . . . .
Table A–16: General specifications — SDH A–44. . . . . . . . . . . . . . . . . . . .
Table C–1: Commands and queries that post OPC C–1. . . . . . . . . . . . . .

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VX4610 SDH/SONET Generator/Receiver User Manual xiii
Table D–1: Commands returned by *LRN? D–1. . . . . . . . . . . . . . . . . . . .
Table E–1: Default parameter values after *RST E–1. . . . . . . . . . . . . . . .
Table F–1: SDH/SONET equivalent or similar terms F–1. . . . . . . . . . . . .
Table H–1: VX4610 options H–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table H–2: User-replaceable parts H–7. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table H–3: VX4610 fuses and their ratings H–10. . . . . . . . . . . . . . . . . . . . .
Table I–1: VX4610 performance verification guide I–1. . . . . . . . . . . . . .
Table I–2: Required test equipment I–3. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table I–3: Elements of a minimum VX4610-under-test system I–7. . . . .
Table I–4: VX4610 SONET test record I–9. . . . . . . . . . . . . . . . . . . . . . . .
Table I–5: VX4610 SDH test record I–12. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table I–6: Input jitter tolerance mask I–116. . . . . . . . . . . . . . . . . . . . . . . . .

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xiv VX4610 SDH/SONET Generator/Receiver User Manual

VX4610 SDH/SONET Generator/Receiver User Manual xv
General Safety Summary
Review the following safety precautions to avoid injury and prevent damage to
this product or any products connected to it. To avoid potential hazards, use this
product only as specified.
Only qualified personnel should perform service procedures.
While using this product, you may need to access other parts of the system. Read
the General Safety Summary in other system manuals for warnings and cautions
related to operating the system.
To Avoid Fire or Personal Injury
To avoid electric shock or fire hazard, do not apply a voltage to a terminal that is
outside the range specified for that terminal.
This product is indirectly grounded through the grounding conductor of the
mainframe power cord. To avoid electric shock, the grounding conductor must be
connected to earth ground. Before making connections to the input or output
terminals of the product, ensure that the product is properly grounded.
To avoid electric shock or fire hazard, do not operate this product with covers or
panels removed.
To avoid fire hazard, use only the fuse type and rating specified for this product.
To avoid electric shock, do not operate this product in wet or damp conditions.
To avoid injury or fire hazard, do not operate this product in an explosive
atmosphere.
To avoid fire or shock hazard, observe all ratings and markings on the product.
Consult the product manual for further ratings information before making
connections to the product.
To avoid eye injury, wear eye protection if there is a possibility of exposure to
high-intensity rays.
Avoid Electric Overload
Ground the Product
Do Not Operate Without
Covers
Use Proper Fuse
Do Not Operate in
Wet/Damp Conditions
Do Not Operate in
Explosive Atmosphere
Observe All Terminal
Ratings
Wear Eye Protection