Tii 831W2 User Manual download pdf

P/N 92215801 • Rev B• 7/1/2008

Warranty: If this unit fails during the warranty period, contact tii customer service to authorize return. Unit may be returned prepaid.

Model 831W2

Radio Frequency Interference (RFI) Filter

Installation Note

Description

1. This installation note covers the installation

and operational testing of the tii 831W2 Radio

Frequency Interference (RFI) filter.

2. The tii 831W2 is a broadband low pass filter

which is placed in series with the telephone

circuits.

3. The filter is designed to eliminate interference

from the AM, FM, CB and TV VHF low bands.

4. The RFI filter circuit has no adjustments and is

essentially transparent to the telephone voice

band 200Hz – 4 KHz.

Features

Figu

re 1

Figure 2 Telephone wire without tii 831W2 installed

Installation

1. Identify the location where the RFI filter is to

be installed (preferably where the telephone

has maximum RFI interference).

2. Remove the RJ-11 plug of the telephone wire

from the wall outlet where the tii 831W2 is to

be installed. (See figure 2)

3. Insert the RJ-11 plug of the tii 831W2 into the

RJ-11 jack of the wall outlet. (See Figure 3)

4. Insert the RJ-11 plug of the telephone wire

into the tii 831W2 RJ-11 jack.

5. Test that dial tone is available by lifting up the

telephone receiver.

6. Use adhesive pad (supplied) to attach the tii

831W2 to the wall.

Figure 3 Telephone wire with tii 831W2 installed

P/N 92215801 • Rev B• 7/1/2008 Warranty: If this unit fails during the warranty period, contact tii customer service to authorize return. Unit may be

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Tii 831W2 User Manual