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RJM HD-212 User Manual

Manual is about: 2 x 2 Digital Protection Switch

Summary of HD-212

  • Page 1

    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 hd-212 2 x 2 digital protection switch.

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    Statement of warranty statement of warranty 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 ...

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    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 ....................................

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    I 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 througho...

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    Ii important warnin important warnin important warnin important warnings and cautions 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. • disconnect ac pow...

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    Iii 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, th...

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    Iv cautions (continued) cautions (continued) cautions (continued) cautions (continued) • leave the back of the frame clear for air exhaust cooling and to allow room for cabling. Slots and openings in the cabinet are provided for ventilation. Do not block them. • front door is part of fire enclosure ...

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    V 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 envi...

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    Section 1 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 ...

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    2 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 75Ω bnc connectors for the on-line output and one bnc connector for the off-line output. There is an ext control connector, which is a female 9 pin ‘d...

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    3 section ii section ii section ii section ii hd hd hd hd----212 212 212 212 specifications specifications specifications specifications video: video: video: video: inputs: number 2 input type 75Ω, bnc per iec 169-8 signal level 800mv ±10% return loss >13db at 270mb data rate 270mb or 1.485gbps equa...

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    4 section iii section iii section iii section iii hd hd hd hd----212 212 212 212 installation installation installation installation the hd-212 input transfer unit is a one rack-unit frame designed to be mounted in a standard 19” equipment rack. There are no special cooling requirements though care ...

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    5 the hd-212 can automatically detect whether the input signals are hd or sdi. A 4-pin jumper (jp1) (jp1) (jp1) (jp1) is provided to allow the unit to automatically or manually set the standard. If the jumper is placed between pins 1 & 2, the standards detection will be automatic. Placing the jumper...

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    6 section iv section iv section iv section iv hd hd hd hd----212 212 212 212 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 co...

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    7 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. Eac...

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    8 secti secti secti section v on v on v on v hd hd hd hd----212 212 212 212 diagrams diagrams diagrams diagrams external control connector pin assignments.

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    9 hd hd hd hd----212 212 212 212 external control connector external control connector external control connector external control connector 9 9 9 9----pin ‘d’ pin ‘d’ pin ‘d’ pin ‘d’ 1 power supply health (low = healthy) 2 input b video present/input health (low = video present and input healthy) 3...

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    10 section vi section vi section vi section vi hd hd hd hd----212 212 212 212 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 al...