Tii 90-3 User Manual download pdf

P/N 92211001 • Rev B• 5/7/2008

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

Model 90-3

SEALED BRIDGING MODULE

Installation Note

Description

1. The TII 90-3 Sealed Bridging Module provides

sealed IDC terminations for connecting six

additional extensions to an existing phone line.

The module can be installed directly into all TII

Network Interface Devices and can be

adapted to fit into a CAC 7600 footprint using

an optional adapter.

Installation

Installing The 90-3 Into A TII

3600/3700/9600/5300 NID

1. Locate the Network Interface Device

2. Unlock the subscriber access cover screw

using a standard screwdriver (Figure 2).

3. Identify the appropriate line position to add the

bridging module.

4. Snap the bridging module to the base as

shown in Figure 3. For installation into a TII

3600/3700/9600/5300 NID, the adapter is not

required.

5. Terminate wire leads (Tip/Ring) from the

bridging module to terminals on the existing

Customer Bridge Module.

6. Do not strip wire insulation from wires to be

terminated to CBM.

7. Lift all CBM rockers to the open position as

shown (see Figure 1).

8. Hold the customer telephone wires between

thumb and index finger (approx. 1/8”

separation between wires).

Figure 2

Figure 3

Adapter

(CAC 7600 Only)

Green (Tip)

Red (Ring)

Figure 1

Telco Shield Screw

Telco Access Screw

Subscriber Access Screw

Locking

Bar Tab

TII NID Base

Retaining Tab

1 2

Installation Note 1
Figure 4 2

Summary of Contents

Page 1 - Installation Note

P/N 92211001 • Rev B• 5/7/2008 Warranty: If this unit fails during the warranty period, contact tii customer service to authorize return. Unit may b

Page 2 - Figure 4

NOTE: Wires should be aligned to the corresponding holes. Green wire to the “T” (GRN) labeled wire guide and the Red wire to the “R” (RED) labeled w

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Tii 90-3 User Manual

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