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Optical Protection Module Specification:

LIGHTech's Protction Module is used to automatically switch inputs from a primary path to a secondary path if the primary path fails due to source or line failure.  Signal loss sensitivity is offered over a broad range from -30 dBm to -5 dBm.  passive design is independent of data rate of format.  Field-tested, fully automatic switching with a pre-selected signal drop threshold assures long-term system reliablity and signal continuity.

Optical Protection Module
(LT 3500)
Insertion Loss 2.0
Return Loss < - 40 dB
Optical Sensitivity (available range) - 40 ~ - 5 dBm
Switching Time on Signal Drop < 15 ms
Control Fully Automatic --
Operating Temperature - 5 ~ 55 C
Power - 48 VDC
Status Feedback

Local: LED Display
Remote: Relay Contact

Housing Dimensions (HxWxL) 102 x 29 x 129 mm
Face Panel Dimensions 129 x 29 x 2


All specifications referenced without connectors.


The information set forth in this document reflects our best knowledge at the time of issue. The document is subject to changes pursuant to new developments and findings, and a similar reservation applies to the properties of the products described. We undertake no liability for results obtained by usage of our products and information. 10/2001

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Copyright © 2002 LIGHTech Fiberoptics, Inc.
Last Updated Date: Tuesday, November 12, 2002