Olson Technology 6920-RT-x User Manual

6920-RT-x SERIES RETURN TRANSMITTER

INSTRUCTION MANUAL

INSTRUCTION MANUAL

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025-370516 REV X2 1/18/06

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TABLE OF CONTENTS

SPECIFICATIONS Page 3

SAFETY WARNINGS Page 4

INTRODUCTION Page 5

INSTALLATION Page 5

Installation/Environmental Considerations Page 5

Optical Connectors and Cleaning Page 5

External Adjustments and Test Points Page 6

Internal Adjustments and Test Points Page 6

Reverse Input Level Setting Page 6

Recommended RF Drive Level Page 6

Channel Loading Page 7

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Specifications: Return Transmitters: F-P, DFB & CWDM

RF INPUT & PERFORMANCE PARAMETERS:

Frequency Range (+/- 1.0 dB) 5 MHz – 300 MHz
Optical Output (mW) (F-P / DFB / CWDM) 2.0 @ 1310nm /1.0 to 3.0 @ 1310nm / 2.5 @ 1xx0nm**
Return Path NPR > 15dB* F-P: over 37dB NPR; DFB/CWDM over 41dB NPR*
Return Path Threshold -57 dBmV/Hz (@37 or 41dB, as applicable)

* NOTE: As measured with 10dB of fiber (DFB) or 6dB of fiber (F-P) and OTOR-300 High Sensitivity

Return Band Receiver

OPTICAL PARAMETERS:

Return Loss > 60 dB with APC connector
Optical Connector SC/APC standard; FC/APC optional; 8° APC

ELECTRICAL, ENVIRONMENTAL & MECHANICAL PARAMETERS

Dimensions Fit and Form as per the original OEM module
Operating Temperature Range -40 to +70ºC (temperature at the mounting plate)
Powering +25VDC
Power Dissipation < 6 W

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