AFi MT-780C Bedienungsanleitung
© Copyright 2007, American Fibertek, Inc. 0123JD
Instruction Manual
MT-780C
Eight Channel Video Transmitter
2
INSTALLATION AND OPERATION INSTRUCTIONS
INTRODUCTION
Thank you for purchasing your American Fibertek MT-780C multimode eight channel video
transmitter. Please take a few minutes to read these installation instructions in order to obtain
the maximum performance from this product.
FUNCTIONAL DESCRIPTION
The MT-780C operates as half of a transmitter / receiver pair for the transmission of eight
channels of high performance digital NTSC, PAL, RS170, or RS343 video signals. The MT-
780C is designed to operate with the MR-780C or RR-780C video receiver over one multimode
fiber optic cable.
The MT-780C multiplexes eight video input signals into a high speed serial data stream. This
serial data stream modulates a laser at 1310 nm wavelength. The 780C Series product is
designed to operate over an optical loss budget range of 0 to 12 dB at a maximum distance of
1Km. Refer to the data sheets for detailed performance specifications.
This unit is contained in a rugged aluminum housing with internal dc voltage regulation. The
detachable terminal blocks and LED indicators provide for easy installation and monitoring of
video and power.
The MT-780C is designed for mounting as a modular stand alone unit. For a rack mounted
version please see the RT-780C.
INSTALLATION
THIS INSTALLATION SHOULD BE MADE BY A QUALIFIED SERVICE PERSON AND
SHOULD CONFORM TO THE NATIONAL ELECTRICAL CODE, ANSI/NFPA 70 AND LOCAL
CODES.
Mount the unit to a secure surface using #8 (3mm) hardware in four places. See the drawing on
the next page for mounting dimensions. Be sure to allow sufficient room for the required
minimum bend radius of the fiber cable used.
POWER SOURCE
THIS PRODUCT SHALL BE POWERED BY A LISTED CLASS 2 POWER SUPPLY ONLY.
3
This unit requires a +12VDC power source for proper operation. The DC input is diode
protected. In the USA and in Canada an American Fibertek PS-12D is supplied with this unit.
The negative side of the power input is directly connected to ground. ANSI/NFPA 70 Class 2
wiring is recommended.
POWER CONNECTION
Power is supplied to the unit via a two pin terminal connector on the right side of the unit. Follow
the label on unit for proper orientation of +12 volt dc and ground.
FIBER CONNECTION
The fiber optic connection is made via a ST connector located on the right side of the unit.
VIDEO INPUT CONNECTIONS
The video input connections are made via BNC connectors on the right side of the unit. The
video input should be connected to an appropriate 75Ωbaseband video source such as a
camera or a video recorder output. For optimum performance the video cables should be the
shortest length of coax practical.
afi
american fibertek
MT-780C STATUS INDICATORS
The MT-780C transmitter provides the following LED status indicators described below to aid in
installation and troubleshooting:
VLI 1 THROUGH VLI 8
A bi-color LED indicator is provided for each of the eight video inputs to the MT-780C. DC
power and video status associated with each of these LED’s are summarized below.
Video Presence LED DC Power Status Video Status
Green On Proper Input Video Present
Red On Input Video Not Detected
Off Off Check Power Supply
4
LIFETIME WARRANTY INFORMATION
American Fibertek, Inc warrants that at the time of delivery the products delivered will be free of
defects in materials and workmanship. Defective products will be repaired or replaced at the
exclusive option of American Fibertek. A Return Material Authorization (RMA) number is
required to send the products back in case of return. All returns must be shipped prepaid. This
warranty is void if the products have been tampered with. This warranty shall be construed in
accordance with New Jersey law and the courts of New Jersey shall have exclusive jurisdiction
over this contract. EXCEPT FOR THE FOREGOING WARRANTY, THERE IS NO WARRANTY
OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE,
EXPRESSED OR IMPLIED, WHICH EXTENDS BEYOND THE WARRANTY SET FORTH IN
THIS AGREEMENT. In any event, American Fibertek will not be responsible or liable for
contingent, consequential, or incidental damages. No agreement or understanding, expressed
or implied, except as set forth in this warranty, will be binding upon American Fibertek unless in
writing, signed by a duly authorized officer of American Fibertek.
SERVICE INFORMATION
There are no user serviceable parts inside the unit.
In the event that service is required to this unit, please direct all inquiries to:
American Fibertek, Inc. Phone: (877) 234-7200
120 Belmont Drive Phone: (732) 302-0660
Somerset, NJ 08873 FAX (732) 302-0667
E-mail: [email protected]
This unit complies with 21
CFR 1040.10 and 1040.11
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