Page 2 - NVision, Incorporated; All Rights Reserved; notice or obligation
Printing History Model NV3128 Manual, Edition 2 Printed in the U.S.A. Copyright NVision, Incorporated January, 2000 July, 1993 All Rights Reserved No part of this manual may be reproduced in any form by photostat, microfilm, xerography, or any other means, or incorporated into any information retrie...
Page 3 - Warranty Statement; Year 2000 Warranty Statement; Disclaimer
Warranty Statement NVISION, Inc. warrants that the equipment it manufactures shall be free from defects in materials and workmanship for a period of two (2) years, optionally extendable to five (5) years, from the date of shipment from the factory. If warranted equipment fails due to such defects, N...
Page 4 - Technical Support; Telephone; European Community (CE) Declaration of Conformance
Technical Support If you need support of any kind related to your equipment, contact the local representative who sold you the product, or you may contact NVISION, Inc. directly by any of the following methods. Telephone Main Telephone: (530)-265-1000 Technical Support: (530) 265-1059 Sales: 800-719...
Page 5 - Important Safeguards and Notices; are qualified to do so.; Symbols and Their Meanings
Important Safeguards and Notices The information on the following pages provides important safety guidelines for both operator and service personnel. Specific warnings and cautions appear throughout the manual where they apply. Please read and follow this important safety information, especially tho...
Page 6 - Warnings
Warnings A warning indicates a possible hazard to personnel which may cause injury or death. Observe the following general warnings when using or working on this equipment. - Heed all warnings on the unit and in the operating instructions. - Do not use this equipment in or near water. - This equipme...
Page 7 - Cautions
Cautions A caution indicates a possible hazard to equipment that could result in equipment damage. Observe the following general cautions when operating or working on this equipment. - When installing this equipment, do not attach the power cord to building surfaces.- To prevent damage to equipment ...
Page 8 - North American Power Supply Cords; International Power Supply Cords
North American Power Supply Cords The power cords supplied with this equipment have a molded grounding plug (NEMA 5-15P) at one end and molded grounding receptacle (IEC 320-C13) at the other end. Conductors are CEE color- coded: Light blue (neutral), Brown (line) and Green or Green/Yellow (ground). ...
Page 9 - TABLE OF CONTENTS
TABLE OF CONTENTS 1. GENERAL INFORMATION ........................................................................................ 1-1 1.1 General .................................................................................................... 1-3 1.2 Architecture ...................................
Page 11 - CHAPTER 1: GENERAL INFORMATION
NV3128 RS-422A Machine-Control Data Switch 1-1 CHAPTER 1: GENERAL INFORMATION
Page 13 - CHAPTER 1 - GENERAL INFORMATION
NV3128 RS-422A Machine-Control Data Switch 1-3 CHAPTER 1 - GENERAL INFORMATION 1.1 GENERAL The NV3128 is a serial digital switch for routing RS-422A machine-control data in a video or audio broadcast or production facility. Table 1.1 at the end of this section lists its performance specifications.Re...
Page 19 - DYNAMIC PORTS
NV3128 RS-422A Machine-Control Data Switch 1-9 DYNAMIC PORTS The power of the NV3128 as a data router begins with its singular ability to dynamically configure each of its 128 I/O ports to one of three states: controlling, controlled or high impedance. Executed automatically with each take command, ...
Page 20 - CROSSPOINT ARCHITECTURE
NV3128 RS-422A Machine-Control Data Switch 1-10 CROSSPOINT ARCHITECTURE Figure 1.5 is a simplified representation of the interface between the I/O connectors, the dynamic ports, and the crosspoint matrix. The crosspoint matrix itself consists of four LSI 64x64 crosspoint chips connected in a unidire...
Page 22 - MULTIDROP COMMAND CHAINS
NV3128 RS-422A Machine-Control Data Switch 1-12 MULTIDROP COMMAND CHAINS Gating off the response transmitter in a controlled port is an effective and transparent technique to resolve bus contention in a multi-drop command chain. In such a mapping, the controlling device sends commands to multiple de...
Page 23 - ANCILLARY EQUIPMENT; SYSTEM SPECIFICATIONS
NV3128 RS-422A Machine-Control Data Switch 1-13 1.5 ANCILLARY EQUIPMENT The NV3128 operates in a sophisticated audio/video environment, typically supporting a mix of modern digital equipment and older analog gear. To facilitate the integration of this diverse machinery, NVision has developed a wide ...
Page 25 - CHAPTER 2: INSTALLATION
NV3128 RS-422A Machine-Control Routing Switch 2-1 CHAPTER 2: INSTALLATION
Page 27 - CHAPTER TWO - INSTALLATION; HARDWARE INSTALLATION
NV3128 RS-422A Machine-Control Routing Switch 2-3 CHAPTER TWO - INSTALLATION CAUTION: THE FOLLOWING INSTALLATION PROCEDURES ARE INTENDED FOR QUALIFIED SERVICE PERSONNEL ONLY. TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE OPER- ATING INSTRUCTIONS ...
Page 29 - FIGURE 2.1 FRAME INSTALLATION
NV3128 RS-422A Machine-Control Routing Switch 2-5 FIGURE 2.1 FRAME INSTALLATION
Page 30 - THE UNIVERSAL CONTROL OR COMMAND INTERPRETER
NV3128 RS-422A Machine-Control Routing Switch 2-6 2.2 CONFIGURATION 2.2.1 THE UNIVERSAL CONTROL OR COMMAND INTERPRETER The Universal Control Card (EM0134-XX) constitutes the current control module for the NV3128 Router. It includes a Test/Normal jumper near the front of the card that should always b...
Page 31 - PARTITION BIT SWITCH - SECTION B
NV3128 RS-422A Machine-Control Routing Switch 2-7 PARTITION DIP SWITCHES (OBSOLETE) 1. Two banks of dip switches on the Control Interface Module configure the partition information for the NV3128. Bank 1 defines the physical partition, Bank 2 enables the ghost partition and defines its controller le...
Page 33 - EXAMPLE; JUMPER
NV3128 RS-422A Machine-Control Routing Switch 2-9 INPUT LENGTH (s8-s5): Bit 8 (MSB) through bit 5 (LSB) of the B switch section create a four- bit binary, modulo 32 number that matches the input dimension of the switch. The length of the partition is the number in the switch times 32. For the NV3128...
Page 34 - DCE
NV3128 RS-422A Machine-Control Routing Switch 2-10 2.2.4 CONFIGURING THE SERIAL INTERFACE (OBSOLETE) 2.2.4.1 JUMPER SETTINGS (OBSOLETE) The serial data interface between the control system and the NV3128 can be either RS-422A or RS-232. For the newer Universal Control module, the serial interface po...
Page 36 - JUMPER ENABLED DISABLED
NV3128 RS-422A Machine-Control Routing Switch 2-12 Additionally, two jumpers float or ground pins 5 and 9 of interface connector J40 for further configuration flexibility. JUMPER FLOAT GND SIGNAL J29 1-2 2-3* Signal GND J30 1-2* 2-3 RI (pin 9) * = DEFAULT CONFIGURATION Two final jumpers,J500 and J70...
Page 37 - TERMINATED
NV3128 RS-422A Machine-Control Routing Switch 2-13 2.2.7 CONFIGURING THE REFERENCE INPUT The NV3128 can derive its timing from a Video Reference input, or it can free run. The reference input is normally a video black burst signal, but optionally can be an AES/EBU digital audio bitstream.Both video ...
Page 38 - CABLING THE SERIAL COMMAND INTERFACE
NV3128 RS-422A Machine-Control Routing Switch 2-14 2.3 CABLING THE NV3128 Figures 2-2 and 2-3 at the end of this section show the rear panel connections on the NV3128. Notice that there are old and new frames corresponding to the old Command Interpreter and the new Universal Control Card. 2.3.1 DATA...
Page 42 - ADDING A REDUNDANT CONTROLLER
NV3128 RS-422A Machine-Control Routing Switch 2-18 2.4 ADDING A REDUNDANT CONTROLLER A second Universal Control/Command Interpreter can be specially ordered and installed for increased system reliability. If you have the Universal Control card, you must also have the Universal Control frame in order...
Page 51 - CHAPTER 3 - OPERATIONS; CONNECTION NOTES
NV3128 RS-422A Machine Control Data Routing Switch 3-3 CHAPTER 3 - OPERATIONS The NV3128 requires no operator intervention. The router may be controlled completely via the selected control system. Section 3.1 discusses the connection algorithms for point-to-point (Level I) and multidrop (Level II) T...
Page 53 - The following information applies only to older systems with the
NV3128 RS-422A Machine Control Data Routing Switch 3-5 3.2 COMPUTER UTILITIES (OBSOLETE) The following information applies only to older systems with the Command Interpreter module. Newer systems with the Universal Control module use UniDiag instead of the NVUtils described below. See the UniDiag ma...
Page 55 - SOURCE ADDRESS
NV3128 RS-422A Machine Control Data Routing Switch 3-7 F1 SENDING A SINGLE TAKE The F1 function key enters the single-take mode of operation. The cursor moves to the source address prompt in the upper left hand corner of the screen. When source and destination addresses have been entered, the take i...
Page 56 - F9 - BUILD A SALVO TABLE
NV3128 RS-422A Machine Control Data Routing Switch 3-8 F9 - BUILD A SALVO TABLE The F9 function key initiates building or editing a take salvo. The cursor position prompts source and destination address fields. Keyboard arrows move around the list.A single source may be connected to multiple destina...
Page 58 - ESC
NV3128 RS-422A Machine Control Data Routing Switch 3-10 QUERYING SYSTEM CONNECTIONS (VISTEK PROTOCOL ONLY) F4 - QUERY A SINGLE CROSSPOINT The F4 function key enters the single-crosspoint query mode. The cursor is positioned on the destination address field. Upon entry of the destination field, the s...
Page 61 - Screen I
NV3128 RS-422A Machine Control Data Routing Switch 3-13 Screen I Query crosspoint connections:1. Enter the number of the lowest output port you want to query 2 . The screen will display the connections made to the first 16 output ports starting with the address entered. Query output monitor connecti...
Page 62 - Screen II
NV3128 RS-422A Machine Control Data Routing Switch 3-14 Screen II Editing the scramble map:1. Function Key F7 allows setting the router level on which the scramble map is to operate. ESC exits this edit mode. 2. Function key F2 loads the scramble map currently active in the router controller RAM. 3....
Page 63 - CHAPTER 4: THEORY OF OPERATION
NV3128 RS-422A Machine-Control Data Routing Switch 4-1 CHAPTER 4: THEORY OF OPERATION
Page 65 - CHAPTER FOUR - THEORY OF OPERATION
NV3128 RS-422A Machine-Control Data Routing Switch 4-3 CHAPTER FOUR - THEORY OF OPERATION 4.1 SYSTEM Fig 1.5 is repeated here to demonstrate the bidirectional flow of data through the routing switch. The illustration shows a controlling machine sending and receiving data through a controlled port on...
Page 67 - CIRCUIT OPERATION
NV3128 RS-422A Machine-Control Data Routing Switch 4-5 4.2 CIRCUIT OPERATION The following discussion provides an overview of circuit operation for each of the circuit boards in the NV3128 Router frame. Because repair is done by replacing modules rather than repairing them, schematics and bills of m...
Page 72 - Power
NV3128 RS-422A Machine-Control Data Routing Switch 4-10 4.2.5 POWER SUPPLY ASSY: PS2001-XX The NV3128 Frame and its Power Supply are UL listed. The Power Supply Module PS2001-01 powers the NV3128 from the AC line at a nominal voltage of 115 VAC - 60 Hz or 230 VAC - 50Hz. The power supply is designed...
Page 75 - CHAPTER 5: MAINTENANCE AND
NV3128 RS-422A Machine Control Data Routing Switch 5-1 CHAPTER 5: MAINTENANCE AND TROUBLESHOOTING
Page 77 - CHAPTER 5 - MAINTENANCE AND TROUBLESHOOTING; CUSTOMER SUPPORT
NV3128 RS-422A Machine Control Data Routing Switch 5-3 CHAPTER 5 - MAINTENANCE AND TROUBLESHOOTING 5.1 CUSTOMER SUPPORT Nvision customer support is available Monday through Friday during normal business hours, Pacific Standard Time (PST). The customer support telephone number is (530) 265-1000. For ...
Page 78 - TROUBLESHOOTING; will
NV3128 RS-422A Machine Control Data Routing Switch 5-4 5.4 TROUBLESHOOTING Certain features of the NV3128 facilitate troubleshooting the router. · Power supplies and all active modules can be removed and re-inserted live without damage. · Since mapping of the crosspoint modules takes place continuou...
Page 81 - GLOSSARY
NV3128 RS-422A Machine-Control Data Routing Switch G-1 GLOSSARY
Page 87 - INDEX
NV3128 RS-422A Machine-Control Data Switch Index-1 INDEX
Page 89 - Index
NV3128 RS-422A Machine-Control Data Switch Index-3 Index A Ancillary Equipment 1-13 Architecture, System 1-4 ATR G-3 Audio G-3 B Backplane (theory) 4-5 Bi-phase G-3 C Cabling 2-14 Circuit Theory 4-5 Command Interface, Connecting 2-14 Command Interpreter 2-6 Configuration 2-6 Connection Notes 3-3 Con...
