Knox Video RS8x8HB Operation And Technical Manual

Routing switcher

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RS8x8HB
Operation and Technical Manual
with this product, Knox Video Technologies provides a five-year limited
warranty for this product. The above warranty period shall begin on the
date of shipment by Knox to purchaser or, if purchaser is an authorized
reseller of such Knox products, from the date of shipment by the reseller to
the reseller's original customer.
which has been caused by misuse, abnormal or unusually heavy use, neglect,
alteration, improper installation, unauthorized repair or modification, improper
testing, accidental or causes external to the product such as but not limited
to excessive heat or humidity, power failure, or improper installation.
IF SERVICE IS REQUIRED:
If the product does not perform as warranted, call Knox Video Technologies
at 301-840-5805 for available service options.
If it is necessary to return an item to Knox, the defective product should be
securely packaged in original boxes and insured for shipment. Owner agrees
to insure and accept all liability for loss of or damage to this product.
YOU MUST CALL TECHNICAL SUPPORT AT 301-840-5805 FOR
A RETURN AUTHORIZATION NUMBER (RA) AND "SHIP-TO"
ADDRESS BEFORE SHIPPING ANY PRODUCT TO KNOX.
This warranty gives you specific legal rights, and you may also have other
rights, which vary from state to state.
KNOX VIDEO
TECHNOLOGIES
8547 Grovemont Circle
Gaithersburg, MD 20877
TEL 301•840•5805
FAX 301•840•2946
www.knoxvideo.com
Limited Warranty
Unless otherwise stated in the product specific documentation received
The warranty set forth above shall not apply to failure or deficiency
Knox Video Technologies
8547 Grovemont Circle
Gaithersburg, MD 20877
301-840-5805 / 301-840-2946 Fax
www.knoxvideo.com

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Summary of Contents for Knox Video RS8x8HB

  • Page 1 IF SERVICE IS REQUIRED: If the product does not perform as warranted, call Knox Video Technologies at 301-840-5805 for available service options. If it is necessary to return an item to Knox, the defective product should be securely packaged in original boxes and insured for shipment.
  • Page 2 Warnings, Cautions and Others For U.S.A. This equipment has been tested and found to comply with the limits for a Class B digital Mises en garde, precautions et indications diverses device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 3: Section 1. General Information

    Frequency Response: 20Hz to 30KHz Input Impedance: 100Kohm The RS8x8HB routing switcher is a device which accepts up to eight video Output Impedance: 1Kohm inputs and up to eight stereo audio inputs (that is, eight channels of left and right Crosstalk: less than -85db ©...
  • Page 4: Section 2. Installation

    One of four baud rates may be selected using position power switch on the RS8x8HB; it is designed to be ON at all times. (If it is desirable 1 and 2 of the programming switch located on the rear panel of the RS8x8HB. Set...
  • Page 5 The switches are read by the microprocessor only at power-up; for switch 2.10 VERTICAL INTERVAL SWITCHING configuration changes to take effect, cycle the power input to the RS8x8HB. In the non-verbose mode, only the word DONE will be reported. In either mode, an incorrect or meaningless command will cause the word ERROR to be All units are now fitted with the vertical switching option.
  • Page 6: Section 3. Operation

    The RS8x8HB has 8 stored routing map configuration memory locations. These stored configurations are nonvolatile and are thus maintained during power This section explains in detail the operation of the RS8x8HB using either the interruptions. front panel push-button switches or the RS232 port.
  • Page 7 KNOX VIDEO KNOX VIDEO RS8x8HB ROUTING SWITCHER RS8x8HB ROUTING SWITCHER 3.4.3 SENDING A STRING OF COMMANDS TO BE EXECUTED 3.4.1 ROUTING AUDIO AND VIDEO AT THE SAME TIME To route video and audio send a four-byte command in the form:...
  • Page 8 The user may choose between two modes of answerback: verbose and non- storage areas, send the three-byte command: verbose. Select the mode using position 3 of the programming switch located on the rear panel of the RS8x8HB. Position 3 ON is verbose, while position 3 OFF is Sn (ENTER), non-verbose.
  • Page 9: Section 4. Maintenance

    Replace at least every five years with Knox part number 140896, or commercial verbose. Select the mode using position 3 of the programming switch located on type DL1220. the rear panel of the RS8x8HB. Position 3 ON is verbose, while position 3 OFF is non-verbose. 4.3 SETTING THE BAUD RATE In the verbose mode, each time a routing command is sent, the current routing map will be reported on the RS232 line followed by the word DONE.
  • Page 10 KNOX VIDEO KNOX VIDEO RS8x8HB ROUTING SWITCHER RS8x8HB ROUTING SWITCHER In the non-verbose mode only the word DONE will be reported. In either mode, an incorrect or meaningless command will cause the word ERROR to be reported. Switches are ON when pushed to the right (as viewed from the back of the panel).

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