American Fibertek MRM-1400 - Manual (Page 2)

2
INSTALLATION AND OPERATION INSTRUCTIONS
INTRODUCTION
Thank you for purchasing your American Fibertek MRM-1400 multimode video receiver. Please take a few
minutes to read these installation instructions in order to obtain the maximum performance from this
product.
FUNCTIONAL DESCRIPTION
The MRM-1400 operates as half of a transmitter / receiver pair for the transmission of baseband NTSC,
PAL, RS170, or RS343 video signals with bi-directional RS422 data. It is designed to operate with the
MTM-1400 or RTM-1400 video transmitter over a single multimode fiber optic cable.
The MRM-1400 converts an optical fiber input into a single video output and a single RS422 output using a
1300 nm wavelength detector. The MRM-1400 also converts an electrical RS422 input signal into an optical
RS422 output returning on the same fiber using an 850 nm wavelength source. The 1400 Series product is
designed to operate over an optical loss budget range of 0 to 12 dB. The MRM-1400 operates on 50 um or
62.5 um multimode fiber. Refer to the data sheets for detailed performance specifications.
This unit is contained in a compact and rugged aluminum housing with internal dc voltage regulation. The
detachable terminal block and LED indicator provide for easy installation and monitoring of video and dc
power.
The MRM-1400 is designed for mounting as a modular stand alone unit. For a rack mounted version please
see the RRM-1400.
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.
The 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-12 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.