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Universal ONT DIN Rail Mounting Bracket

Purpose 

The purpose of this document is to define describe the Universal DIN rail mounting bracket, compatible ONTs, and installation practices for the DIN rail mounting Bracket.

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Description

The Universal ONT DIN Rail Mounting Bracket enables mounting the ONT205C, ONT180C, ONT202, and ONT142R on a DIN rail. This is often convenient when mounting ONTs to a backboard using standard DIN rails.

The DIN rail mounting bracket supports a number of additional features to support clean installation of the ONTs on DIN Rails: 

• Standard DIN Rail connector, fits most DIN rails
• Tie Down Points for cable strain relief
• Mounting points for the ONT205C, ONT180C, ONT202, and ONT142R are sold by Tellabs.
  
  
  
  

Mounted ONT205C, ONT180C, ONT202, and ONT142R 

DIN Rail Mounting Bracket Part Number

The DIN Rail Mounting bracket part number is: 81.11K-ONTDIN10

The Universal DIN Rail Mounting bracket is compatible with the ONT142R, ONT180C, ONT205C, and ONT202.

Note: The ONT202 DIN and 81.11K-ONTDIN01 rail mounting plates are discontinued since this mounting bracket will support these ONTs.

DIN Rail Mounting Bracket Preparation

Assembly of the DIN Rail Mounting bracket will require the following tools and equipment: 

• Phillips Screwdriver

The DIN Rail Mounting Bracket Kit contains the following parts: 

• DIN Rail Mounting Bracket
• DIN Rail Mounting Assembly
• 2x M5x8mm Screws
• 2x 7/6" #4 Plastite Screws

Please check the box to ensure that all parts are present prior to assembly.

DIN Rail Mounting Bracket Installation

The following steps should be performed to install the DIN Rail Mounting Bracket.
 

1. Attach the DIN Rail Mounting Assembly to the DIN Rail Mounting Bracket using the 2x M5x8mm screws.  Please note that the location of the screws differs by ONT type and care must be taken to utilize the correct holes for mounting.
   
   
    

• The ONT 205, ONT142R and 180C utilize the bottom two mounting holes.
•  The ONT202 utilizes the top two mounting holes. 
  
  
  
   

2. Install ONT mounting guides.
   1. For the 142R, ONT205, and 180C, position the DIN Rail Mounting bracket slightly above the bottom of the bracket and use the outermost set of mounting holes.  Use the highlighted mounting holes on the bracket.  Use 2x Plastite 7/6" #4 Metal Screws to mount the ONT. The screws should be left slightly raised at a 1/8" offset to allow mounting of the ONT onto the bracket.
      
      
      
      
       
   2. For the ONT202, position the DIN Rail Mounting bracket slightly below the bottom of the bracket and use the innermost set of mounting holes. Use the highlighted mounting holes on the bracket. Use 2x Plastite 1/2" #4 Metal Screws to mount the ONT. The screws should be left slightly raised at a 1/8" offset to allow mounting of the ONT onto the bracket.
      
      
      
      
       

3. Using the slotted holes in the ONT, mount the ONT onto the DIN Rail Mounting bracket, pressing them onto the screws and then sliding in the direction shown in the figure to lock the ONT onto the bracket..
4. Mount the DIN Rail Mounting bracket with ONT to the DIN rail.
5. Use the Fiber Management Guides to provide strain relief and proper bend radius for the optical cable.  
    

   Warning: Exceeding the minimum bend radius of the fiber can damage the fiber and degrade the optical signal.  Use the Fiber Management Guides to ensure proper bend radius and provide strain relief.

   Warning: When securing the fiber ensure the zip tie is not fully tightened down as this can damage the fiber and degrade the optical signal.  The ties should be loose and simply guide the fiber.

6. Plug in the Optical Fiber
7. Plug in the Ethernet Cables to the ONT
8. Plug in the Power Cable to the ONT
9. Use ZIP ties to provide strain relief to the cables.