CORNING NI-3012 Customer Instructions - Page 3

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NI-3012 Network Interface Device — Telephone Company Instructions

The model NI-3012 Network Interface Device

(NID) (Figure 5) is designed to allow up to 12

telephone lines to be installed. It is equipped with

a Universal Line Module (ULM) and Universal

Station Protector (USP) which provide Telco/

customer termination, line protection, and

optional Telco electronics in one unit. The unit

may be upgraded by adding additional lines as

required.

Installation

Step 1:

Remove existing protector and

enclosure from building, if installed.

Step 2:

Select desired mounting location.

Select appropriate mounting features

for secure mounting: external

mounting ears or vertical conduit

mounting.

Service Hookup

Step 1:

Open telco cover using a pin and hex tool to turn the

two telco screws one-quarter turn. Remove the middle

rubber grommet and pierce with sharp object (Figure 6).

Feed drop wire and ground wire through grommet and

replace grommet.

NOTE: Drop wire terminals are Insulation Displacement Connectors (IDC); wires need not be stripped. The

terminals are identified with a "T" for tip and an "R" for ring.

Step 2:

Connect ground wire according to local code or practice using a #6 AWG ground wire.

Step 3:

Unscrew the stuffer on the USP until it is fully open

(Figure 7).

Step 4:

If using 22-24 AWG wire, it is necessary to use

the wire guide to facilitate proper wire insertion. If

wire guide has been misplaced, contact Corning

Customer Services to order replacement guides.

If using 18 AWG wire, remove the wire guide from the

protector holes. (It is recommended to retain the wire

guide in case it is needed later.)

Untwist a pair of wires and straighten the ends before inserting into the protector. It is not

necessary to strip the insulation from the wires.

Insert the wires into the holes in the USP, until the wires touch the back of the protector.

Step 5:

Screw the stuffer back down to make contact. Gently tug on all wires to check connection.

Step 6:

Close telco cover by pushing the telco screws back into position.

STANDARD RECOMMENDED PROCEDURE 203-297 | ISSUE 2 | MAy 2015 | PAGE 3 OF 4

Telco Screw

Customer Cover

KPA-2326

Telco Screw

TPA-5032

Wire Guide

Mounting Ear

Telco Cover

Mounting Ear

Figure 5

Figure 6

Stuffer

Wires

touch back

of protector.

Keep wires straight

while inserting.

KPA-2323

Figure 7