Summary of Contents for NVision NV1023
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Page 1: Table Of Contents
NV1023 Instruction Manual SDIF-2 Distribution Amplifier CONTENTS: 1. GENERAL DESCRIPTION 2. CONFIGURATION AND INSTALLATION 3. OPERATION 4. FUNCTIONAL DESCRIPTION 5. MAINTENANCE AND TROUBLESHOOTING 6. DRAWINGS AND SCHEMATICS 7. APPENDICES AND CHANGE INFORMATION Manual Part No. MI1023-01 April, 1996 NV1023 SDIF-2 Distribution Amplifier... - Page 2 Table 1 - NV1023 Performance Specifications Input Impedance: Jumper configurable for 75 ohms or high impedance. Level: Data Rate: SDIF-2 Word Clock, 28 kHz - 54 kHz (typical) Outputs Number: Impedance: Level: Mechanical Size: 90 mm x 25 mm x 370 mm (3-1/2" x 1" x 14-1/2")
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Page 3: General Description
SDIF-2 digital audio word clock to multiple destinations. The NV1023 comprises a plug-in active module and a BNC connector backplane, Assembly EM0104. This backplane, mounted in the rear of any of the 12 active module slots in an NV1000 terminal equipment frame (Assembly FR1000), provides the connection interface for external signal cables. - Page 4 1.2 SIGNAL DISTRIBUTION APPLICATIONS The NV1023 is a signal distribution amplifier for sending SDIF-2 digital audio word clock to multiple destinations from a single source. It expands the number of possible destinations for a single source from one to as many as four.
- Page 5 NV102x Distribution Amplifiers (x3) 50 meters (150 feet) High Impedance Termination SDIF-2 Source 0.5 meters (1.5 feet) High Impedance Termination 0.5 meters (1.5 feet) 75 Ohm Termination Figure 3 - Good Signal Loop- Through Methodology NV102x Distribution Amplifiers (x3) NV1023 SDIF-2 Distribution Amplifier...
- Page 6 Table 2 - NV1023 Jumper Settings Jumper No. Setting Function 1 - 2 Configures NV1023 for high input Z for loop-through applications. 2 - 3 Configures NV1023 for 75 ohm input impedance. 3 - 4 Configures NV1023 for high input Z for loop-through applications.
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Page 7: Configuration And Installation
Applications section (See Section 1.2). 3. Set the input termination jumper on the active module as required by the application. Refer to Table 2 - NV1023 Jumper Setting and the Component Location drawing in Section 6 for information on the jumper location and setting. -
Page 8: Operation
Maintenance and Troubleshooting for recommendations on periodic maintenance and performance checks. FUNCTIONAL DESCRIPTION Refer to the schematic diagram for the NV1023 active module (Assembly EM0103) and the backplane drawing for Assembly EM0104 during the following discussion. The single-ended input to the NV1023 is a passive loop-through connection, while the outputs are single-ended. -
Page 9: Maintenance And Troubleshooting
2. To determine if the NV1023 or the external equipment is at fault: a. Where possible, replace the NV1023 with a known-good module. -
Page 10: Drawings And Schematics
If the steps above indicate that the fault is in the NV1023 module or backplane, place the active module on an NVISION extender module (Model Number NV10XX) for further testing. Otherwise, return the module to NVISION for testing and repair. -
Page 11: Appendices And Change Information
APPENDICES AND CHANGE INFORMATION Applicable technical data, Application Notes and Field Modification Notes that pertain to the NV1023 SDIF-2 Distribution Amplifier are located here. Additional system information may be found in the Appendix at the rear of the NV1000 Operations Manual. Reviewing... - Page 12 NV1023 SDIF-2 Distribution Amplifier...
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