Preparations

Installation Planning

The installation must seek to balance user preference with the environmental, power, and cabling requirements of the ONT and any subtending equipment. The following items need to be planned for prior to installing the ONT.

Desktop vs. Wall Mount

The Tellabs ONT142R can sit on a desk, table, shelf, or similar surface. This installation allows the user to adjust its position, have easy access to the connectors on the back, and see the LED indicators on the top as the ONT operates.

The bracket may also be useful even if located on the desktop, as some cabling may be stiff enough or heavy enough to pull it off of the desktop.

The Tellabs ONT142R can also be mounted to a wall, the back or underside of a desk or shelf, in any orientation, using screws. This can keep the unit and cables out of sight and out of the way.

Optical Fiber Location

When selecting the installation location, it is important to consider the location of the fiber cable drop. Because fiber cables are not typically spliced or terminated in the field, it is important that the cable is long enough to reach the ONT. It is better for the cable to be too long than for it to be too short by any amount. For this reason, there is normally excess fiber to manage after the connections have been made. Special care needs to be taken to store and protect this slack from accidental damage.

Environmental Requirements

The ONT142R operates in temperatures ranging from 32°~104°F (0°~40°C) with non-condensing relative humidity ranging from 5% to 85%.

Power Requirements

The ONT142R requires 48~56 VDC at up to a maximum of 1.5 amps (at full PoE load). This power is typically delivered by remote 54-volt bulk DC power supply. Power is connected to the ONT Power Module using a phoenix 2-pin 5.08mm pitch mount screw terminal block.

Tools and Supplies

The items listed below assume that the optical fiber cable drop (and remote bulk DC power cable, if used) are already installed.

Tools

The following list of tools should cover the typical ONT142R installation:

• Screwdrivers or driver bits
  • Screwdrivers or driver bits to fit the wood or machine screws, dry wall anchor screws, or masonry anchor screws that will be used in mounting the ONT to a wall or other surface
  • Medium slot screwdriver
• Power drill and drill bits sized appropriately for screw pilot holes, and drywall and masonry anchor holes (sizes required will depend on fastener selection)
• Digital multimeter with test leads (a DMM with only basic functions will do)
• Optical Power Meter
• Fiber Optic Inspection Microscope
• Multi-purpose fiber optic cleaning tool with bulkhead adapter

Supplies

The following list of supplies should cover the typical ONT142R installation (supplies are locally sourced):

• Fasteners
  • Select screws, drywall anchors, and masonry anchors of the appropriate size for the weight of the ONT. Ensure that the heads are large enough, so they do not pull through the mounting holes of any brackets.
• Cable ties (Nylon and Velcro)
• Vinyl electrical tape
• Sharpie or other fine-point permanent marker

Unpacking and Inspection

The Tellabs ONT and related accessories may arrive in a single shipping container, or in multiple containers. When unpacking the boxes, check each item against the installation work order and for obvious shipping damage. If a shortage or damage is found, contact the Tellabs Warranty/Repair and Return Center immediately.

Inside the Box

The ONT142R box contains:

• ONT142R - desktop Optical Network Terminal unit (no power supply)

If multiple ONT142Rs are ordered, or optional accessories are ordered along with the ONT142R, they may be packed in the same shipping container, or be shipped separately.

Outside the Box

A reusable-adhesive label that has the ONT serial number (with barcode representation) printed on it is affixed to the outside of the box. This label can be peeled off the box and placed on the ONT case or any other suitable place near the ONT so that the serial number can be seen easily when the ONT is attached to a wall, underneath a desk, or is in some other location in which the permanent label on the bottom surface of the ONT is not readily accessible.

The ONT serial number may be needed when provisioning the ONT using the Element Management System (EMS). 

Tellabs ONT142R Accessories

Because the ONT142R can be powered by a number of local and remote powering schemes, it is sold by itself, without a power supply. The AC adapter and its AC line cord are all optional accessories. Likewise, because the ONT142R can sit on a desk or shelf or be mounted on a wall or under a desk, a Wall Mounting Bracket is also an optional accessory.

The following optional ONT142R accessories can be obtained from Tellabs separately at additional cost:

• AC Adapter - desktop power brick with a rated output of 54 VDC at 1.5 amps. The AC adapter powers the ONT142R directly.
• AC Line Cord - standard power cord for the AC adapter. Versions for various countries are available.
• Wall Mounting Bracket - allows the ONT142R to be attached to a wall or other object in any orientation. It can be mounted under a shelf, or under or behind a desk. The wall mounting bracket has space inside it to safely store excess fiber cable length.
• Wall Mounting Brackets (kit of 10) - package of 10 Wall Mounting Brackets.
• Universal ONT DIN Mounting Bracket - Allows up to 11 vertically stacked ONTs to be installed in a 19" DIN Rack Mount.
   

Contact your Tellabs sales representative for details and ordering information.