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61287735G3-22B

2. Refer to the illustration below and connect the twisted-pair Tip 

(green) and Ring (Red) to the RJ-11 connector using an RJ-11 
crimper.

3. Insert the RJ-11 connector in the appropriate POTS 1 or POTS 2 

jack.

Connecting Ethernet 

The SFU ONT supports four 1 Gigabit (10/100/1000Base-T) connec-
tions (LAN 1 to LAN 4). 
If Ethernet cables are not available, use the following procedure and 
table to create the Ethernet cables:

1. Trim the insulation for the subscriber Ethernet cable.
2. Connect the wires per the following table using an RJ-45 

Crimper.

3. Insert the CAT 6 rated cable in the appropriate LAN 1 through 

LAN 4 ports.

Installing Fiber

CAUTION

!

LASER RADIATION
1300 nm to 1500 nm
Do not view directly with optical instruments.
This product contains a Class 1M Laser module that complies with 21
CFR 1040.10 and 1040.11 and IEC 60825-1 and -2.

Fiber is installed in an SC connecter located behind a removable 
protector panel on the right-rear of the SFU ONT. Refer to the figure 
below when installing fiber:

1. Remove the phillips-head screw from the right side of the fiber 

protector panel.

2. Slide the protector cover back to expose the SC connector.

Ethernet RJ-45 Pin-out

Pin

Name

Description

Color Code

1

TRD0+

Transmit/Receive Positive

White/
Orange

2

TRD0-

Transmit/Receive Negative

Orange

3

TRD1+

Transmit/Receive Positive

White/Green

4

TRD2+

Transmit/Receive Positive

Blue

5

TRD2-

Transmit/Receive Negative

White/Blue

6

TRD1-

Transmit/Receive Negative

Green

7

TRD3+

Transmit/Receive Positive

White/Brown

8

TRD3-

Transmit/Receive Negative

Brown

1 2 3 4

1 = Not Connected
2 = Tip
3 = Ring
4 = Not connected

Required tools

Standard technician tools and those listed below are required for 
installing the SFU ONT:

Carpenter’s level

RJ-45/RJ-11 crimper

A telephony/data communication test set

PON power meter with wavelength filtering

Fiberscope or videoscope

Two #8 Pan Head screws (1 inch or greater in length)

Assorted tie wraps for securing cabling and wiring

For fiber optic connections, the following are required:

Fiber optical fusion splice tools

ODC Fiber cleaning tool

SC Fiber connector

Desk Top Installation

The SFU ONT can sit on a desktop or be wall mounted. With a desk 
mount, ensure the SFU ONT is not located in direct sunlight and is 
not located next to any thermal obstructions. 

Wall Mount Installation

The SFU ONT can be wall-mounted.

NOTE

Refer to the illustration below when installing the SFU ONT on a wall
mount.

To wall mount the SFU ONT, perform the following steps:

1. Decide on a location for the SFU ONT. 

2. Attach a 1/4 inch mounting board (typically plywood) to the 

wall. If the wall is drywall construction, ensure the mounting 
board is supported by the wall studs.

3. Install two #8 Pan Head screws (1 inch or greater in length) 

using the key holes on the back of the SFU ONT as location 
markers. Leave approximately 1/4 inch protruding from the 
mounting surface.

4. Slide the SFU ONT over the Pan Head screws and exert a small 

amount of downward pressure to ensure that the top of the 
slots are resting on the shafts of the Pan Head screws.

Connecting POTS

If POTS cables are not available, use the following procedure to create 
the POTS cables:

1. Trim the insulation for the subscriber POTS cables.

Rear of SFU ONT

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