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Power Lead Strain Relief

The module has a small hole in the case located above the power 

connection to prevent the power lead being accidentally pulled out. 

Use the supplied tie-wrap and secure the lead as shown below.

Connections

The analog video / sync input is made on a standard BNC connector. 

A loop out connection is provided.  Please terminate the loop output 

with a 75 Ohm terminator if not used.

The module is CWDM compatible with selectable SFP sub modules 

providing all the standard 18 wavelength choices between 1270nm 

standard (40km) and long haul (80km) versions:

OH-TX-4-

XXXX

 = (standard) 40km SFP where 

XXXX

 = wavelength

OH-TX-8-

XXXX 

= (long haul) 80km SFP where 

XXXX 

= wavelength

this is to prevent dust contamination.  Please retain the plug and use if 

the cable is ever disconnected from the module. 

function correctly if used with Multimode cable. 

Operation

Operation of the OTX 1742-2 is fully automatic.  The analog video or sync 

input format is automatically detected,  converted and transmitted over 

module to indicate the module operating mode (SDTV or HDTV)

Status LED

The status LED on the top of the module is multifunction:

       = Power OK and no internal programmed settings are present

       = Power OK and some internal programmed settings are active*

       = (out) Power not present

* Some additional internal settings have been made using the yelloGUI.  The LED 

indicates this by turning yellow.  The module can be reset to factory defaults by 

using the reset switch (recessed under a hole on the side of the module).  When 

reset the LED will change back to Green.

USB Port / Firmware Updates / yelloGUI

control of the module using the yelloGUI software application.  For 

more information and to download the yelloGUI application please 
goto:  

http://yellogui.lynx-technik.com

Firmware updates are always provided free of charge and can be 

downloaded from our website.  A PC and a USB cable is required for 

Optional Mounting Bracket

The optional RFR 1001 mounting bracket  can be 

used to permanently mount the module on any 

Note

OTX 1742-2 is identical in terms of mounting and securing 

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