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Analog Reverse Optical Transmitters with Thermal Compensation
Analog Reverse Optical Transmitters with Thermal Compensation


 

Product Code: SAAROTTC
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Description
 

The Models 6940, 6942, 6944, GainMaker® and GS7000 Nodes may be equipped with 1310 nm or Coarse Wave division Multiplexing (CWDM) analog reverse optical transmitters to facilitate reverse communications from node to headend or hub site. These reverse optical transmitters are now thermally compensated for improved performance over temperature.

The CWDM reverse optical transmitter is offered in a choice of 8 wavelengths from 1470 to 1610 nm.  Up to 8 CWDM reverse optical transmitters can share a common return fiber when used with accompanying multiplexing and demultiplexing passive optics.

All of these reverse optical transmitters incorporate distributed feedback (DFB) lasers, which are best suited for high-capacity reverse traffic.  They are available in both standard and high gain versions, in order to allow flexibility in reverse path design.  The high gain versions are typically used in the Model 6944, 6942, and GS7000 segmentable nodes.  The standard gain versions are typically used in the Model 6940 and GainMaker nodes.  All optical transmitters used in the GS7000 Node have a new high profile module cover that includes both a self-contained fiber pigtail storage area and an integrated pull ring for easier module installation and removal.

The reverse optical transmitters specified in this data sheet include both a Power On LED and an Optical Power Alert LED, enabling quick visual confirmation of operational status. A DC test point that is scaled to the optical output power is also included.

Optionally, to help ensure maximum reliability and quick fault resolution, the reverse transmitters can be remotely monitored using the Scientific-Atlanta Transmission Network Control System (TNCS).


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