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Summary of Contents for RJM HD-212
- Page 1 HD-212 2 x 2 Digital Protection Switch RJM & Associates, LLC 175 Joerschke Drive, Suite A Grass Valley, CA 95945 Phone: 530-205-3437 Fax: 530-273-8482 info@rjmandassociates www.rjmandassociates.com...
- Page 2 Statement of Warranty Statement of Warranty RJM & Associates, LLC warrants its products for a period of three (3) years from the date of shipment to be free from defects in materials and workmanship and meets applicable published specifications. Equipment which has been operated...
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Page 3: Table Of Contents
Table of Contents Table of Contents Table of Contents Table of Contents Introduction Introduction Introduction Introduction Important Safeguards and Notices ................i Important Warnings and Cautions ................ii Warnings ......................ii Cautions ......................iii North American Power Supply Cords ..............iv Section I Section I Section I... -
Page 4: Important Safeguards And Notices
Important Safeguards and Notices Important Safeguards and Notices Important Safeguards and Notices Important Safeguards and Notices Information on the following pages provides important safety guidelines for both Operator and Service personnel. Specific warnings and cautions will be found throughout the manual where they apply, but may not appear here. -
Page 5: Important Warnings And Cautions
Important Warnin Important Warnings and Cautions Important Warnin Important Warnin gs and Cautions gs and Cautions gs and Cautions Warnings Warnings Warnings Warnings • Heed all warnings on the unit and in the operating instructions. • Do not use this product in or near water. •... -
Page 6: Cautions
Warnings (continued) Warnings (continued) Warnings (continued) Warnings (continued) • If equipped with redundant power, this unit has two power cords. To reduce the risk of electrical shock, disconnect both power supply cords before servicing. • This equipment may employ laser(s). If it does, they comply with the current construction requirements of the code of Federal regulations, title 21, chapter I, subchapter J, sections 1010.2 and 1010.3 and sections 1040.10 and 1040.11. -
Page 7: North American Power Supply Cords
SMT or ASIC components. For this reason, service and repair of RJM products incorporating surface mount technology are supported only on a module exchange basis. Customers should not attempt to troubleshoot or repair modules that contain SMT components. - Page 8 Note: Note: Note: Note: This equipment has been tested and found to comply with the limits for a class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
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Page 9: General Description
HD-212 General description The RJM HD-212 functions as an input transfer system that can switch between two high definition or SDI digital video input signals, A and B. This is accomplished automatically using the internal signal detect, or manually using either the local or remote select A/B switch. - Page 10 When power is applied, the A signal input is selected as the default mode. The output of the HD-212 can be either the A or B input. There are three 75 BNC connectors for the On-Line output and one BNC connector for the Off-Line output.
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Page 11: Specifications
SECTION II SECTION II SECTION II SECTION II HD- - - - 212 Specifications Specifications Specifications Specifications Video: Video: Video: Video: Inputs: Number Input type 75 , BNC per IEC 169-8 Signal level 800mV ±10% Return loss >13dB at 270Mb Data rate 270Mb or 1.485Gbps Equalization... -
Page 12: Installation
It is also recommended that, if possible, one rack-unit of space be left above the unit. Unless specified at the time of order, the HD-212 is shipped from the factory for nominal 117VAC 60Hz power. The unit comes shipped with a 120V type AC plug. -
Page 13: Ethernet Processor Reset
The HD-212 can automatically detect whether the input signals are HD or SDI. A 4-pin jumper (JP1) (JP1) (JP1) is provided to allow the unit to automatically or manually set (JP1) the standard. If the jumper is placed between pins 1 & 2, the standards detection will be automatic. -
Page 14: Circuit Description
SECTION IV SECTION IV SECTION IV SECTION IV HD- - - - 212 Circuit Description Circuit Description Circuit Description Circuit Description Video Path: Video Path: Video Path: Video Path: Each of the two inputs (A & B) connects to an automatic cable equalizer (U101 & U201), which compensates for high frequency cable attenuation. -
Page 15: Power Supply/Regulators
Power Supply / Regulators: Power Supply / Regulators: Power Supply / Regulators: Power Supply / Regulators: The unregulated voltage to the voltage regulators on the main board comes from either of two power supplies that can be removed at the front of the RTU frame for service and replacement. -
Page 16: Diagrams
SECTI SECTI SECTI SECTION V ON V ON V ON V HD- - - - 212 Diagrams Diagrams Diagrams Diagrams External Control Connector Pin Assignments... -
Page 17: External Control Connector Pin Assignment
HD- - - - 212 EXTERNAL CONTROL CONNECTOR EXTERNAL CONTROL CONNECTOR EXTERNAL CONTROL CONNECTOR EXTERNAL CONTROL CONNECTOR 9 9 9 9 - - - - PIN ‘D’ PIN ‘D’ PIN ‘D’ PIN ‘D’ Power Supply Health (Low = Healthy) Input B Video Present/Input Health (Low = Video Present and Input Healthy) Switch-occurred Alarm (Momentary Low) Select Input A (Active Low, Momentary Pulse) -
Page 18: Ethernet Interface
Ethernet Interface Ethernet Interface Ethernet Interface A core processor is included to allow the HD-212 to communicate through an Ethernet interface to an external control device. This communication allows for status monitoring and switchover control. The installation consists of installing the processor sub-module into the mating connector on the HD-212 with the RJ-45 facing forward.
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