American Fibertek RRM-3485-4 User Manual
© Copyright 2007, American Fibertek, Inc. 0530JD
Bi-directional 4-Wire RS485
Instruction Manual
RRM-3485-4
Video Receiver With
INSTALLATION AND OPERATION INSTRUCTIONS
INTRODUCTION
Thank you for purchasing your American Fibertek RRM-3485-4 singlemode video receiver with bi-directional 4Wire RS485 data. Please take a few minutes to read these installation instructions in order to obtain the
maximum performance from this product.
FUNCTIONAL DESCRIPTION
The RRM-3485-4 operates as half of a transmitter / receiver pair for the transmission of a baseband NTSC,
PAL, RS170, or RS343 video signal with bi-directional 4-Wire RS485 data. It is designed to operate with the
MTM-3485-4 or RTM-3485-4 video transmitter over one singlemode fiber optic cable.
The RRM-3485-4 converts a 4-Wire RS485 data input into an optical output using a 1550 nm wavelength
source. The RRM-3485-4 also converts an optical input signal returning on the same fiber into a single video
output and a 4-Wire RS485 data output using a 1310 nm wavelength detector. The M3485-4 Series product is
designed to operate over an optical loss budget range of 0 to 10 dB. The RRM-3485-4 operates on 9 um
singlemode fiber. Refer to the data sheets for detailed performance specifications.
This unit is designed for rack mounting in any of the four American Fibertek subracks available. The subrack
models are SR-20/1, SR-20R/1, SR-20/2, and SR-20D/2. Slide in rack mounting, detachable terminal blocks,
and a LED indicator provide for easy installation and monitoring of video, data, and optical power.
The RRM-3485-4 is designed for rack mounting only. For a modular stand alone version please see the MRM3485-4.
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.
The unit slides into any two adjacent slots in the SR-20, SR-20R, or SR-20D subrack. Use a small screwdriver
to push and lock the four ¼ turn fasteners into place.
POWER SOURCE
Power to the unit is supplied by the subrack. Please refer to the SR-20, SR-20R, SR20D and PSR-2 instructions
for further details.
POWER CONNECTION
Power is supplied to the unit via a four finger backplane connector. The RRM-3485-4 can be inserted into the
subrack or removed from the subrack with power applied to the backplane.
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