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 Equipment Issue A

030-101678 Rev. A, March  2008

Section 28M-A20-8A0-20A

R

0803IARA

E

Copyright 2008 

E

Westell, Inc. All rights reserved. 200 MECHANICS

r

 and Westell

r

 are

registered trademarks of and OmniPak

t

 is a trademark of Westell, Inc.

Page 1 of 12

Westell

 OmniPak

 8

28MA208A Series of 8-Slot, Universal, Data Mounting Assemblies

CONTENTS

PAGE #

1. GENERAL

1

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

2. OPTIONS & FEATURES

2

. . . . . . . . . . . . . . . . . . . . . . . 

3. INSTALLATION

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 

4. TESTING & TROUBLESHOOTING

10

. . . . . . . . . . . . . 

5. CUSTOMER & TECHNICAL SERVICES 

10

. . . . . . . . 

6. WARRANTY & REPAIRS

10

. . . . . . . . . . . . . . . . . . . . . . 

7. SPECIFICATIONS

10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 

1.

GENERAL

1.1

Document Purpose

This document describes the Westell OmniPak

t

 8 8-Slot, Uni-

versal, Data Mounting Assemblies, models 28MA208A and
28MA208AP. A typical model is shown in Figure 1.

- NOTE -

Hereafter, both models may be commonly referred to as the
OmniPak

t

 8" or the assembly." Specific model numbers will be

used where differences apply.

1.2

Document Status

Whenever this practice is updated, the reason will be stated in
this paragraph. This practice replaces document 030-101467
for the 28MA208A and 28MA208AP OminPak

t

 8 models.

1.3

Product Purpose and Description

The OmniPak

t

 8 is a compact, universal, data mounting as-

sembly that houses either four 400-type plug-in modules or up
to eight half-width (200 MECHANICS

r

-type) plug-in mod-

ules, plus an optional AC power supply. The OmniPak

t

 8 can

be used in a variety of applications, depending on the type of
plug-in module(s) installed in it. Installed modules may be any
of the following types.

S

T1 Network Interface Units

 (NIUs)

S

HDSL Remote units

 (HTU-R)

S

Digital Data System Network Interface Units

 (DDS-NIUs)

S

DSTs in analog data service applications

S

Any combination of the above four items

- NOTE -

To maintain the UL Listing of these mountings, 

only 

UL recognized

modules are to be used.

Figure 1.

Isometric Front View of  OmniPak

t

 8,

Model 28MA208A

Mounting Template on Last Page

A variety of input and output wiring options are included to fa-
cilitate installation. Some models include a power supply for
local power applications, and all models provide an input for
external local power. The OmniPak

t

 8 offers security features

to help prevent unauthorized access to the plug-in modules and
the Facility/Telco wiring area (see Table 1). Modules installed
in the mounting assembly can be either span or locally pow-
ered.

1.4

Product Mounting

The OmniPak

t

 8 is typically mounted to a wall or an equip-

ment backboard at the customer premises. See Table 1 and Part
3 for more information.

1.5

Product Features

The OmniPak

t

 8 offers the following features.

S

UL 60950 certification by an NRTL

S

NEBS Level 3 certified

S

CAN/CSA-C22.2 No. 60950-00

S

Compact, wall-mount enclosure

Содержание 28MA208A

Страница 1: ...ECHANICSr type plug in mod ules plus an optional AC power supply The OmniPakt 8 can be used in a variety of applications depending on the type of plug in module s installed in it Installed modules may be any of the following types S T1 Network Interface Units NIUs S HDSL Remote units HTU R S Digital Data System Network Interface Units DDS NIUs S DSTs in analog data service applications S Any combi...

Страница 2: ...ng push pin at the top of the module compartment slides into an in terior locking flange on the cover when the module door is closed 2 1 2 Module Front Door The OmniPakt 8 provides a removable protective door for the modules which doubles as a see through window to enable the installer to easily view the modules status LEDs for testing pur poses A keyed lock secures the cover to limit access to th...

Страница 3: ...l Clarity Gasket Grommet Gasket Grommet Protects 8 200 MECHANICS and Power Supply Modules Wirewrap Self Hole Centering Power For Drain Wire or For Drain Wire or Ground Lug Any conductor connected to the any ground lug must be a 6 AWG copper wire Unplated conductor wire must be brought to a bright finish and anti oxidant coated before connection All hardware must be listed by an NRTL Do not mix or ...

Страница 4: ...or The ground lug accepts a 6 AWG copper ground wire See Figure 4 and Figure 5 for more wiring details GROUNDING NOTES Always follow local safety precautions and standard operating proce dures for grounding the equipment when installing upgrading or maintaining equipment Any instructions or information contained herein is subordinate to local codes and operating procedures or prac tices To maintai...

Страница 5: ...ower and wiring connections The following paragraphs provide detailed instructions for performing these procedures INSPECTION NOTE Visually inspect the unit for damages prior to installation If the equipment was damaged in transit immediately report the damage to the transportation company and to Westell 3 1 Following Safety Precautions CAUTION Risk of electric shock Voltages up to 140 VDC with re...

Страница 6: ...ly let the OmniPakt 8 hang freely from the single screw on the wall to self level the assembly then mark the locations of the remaining four mounting holes Set aside the assembly 7 Drill holes Drill appropriately sized pilot holes to accom modate the mounting screws or fasteners being used hardware not included at the marked locations Do not make holes too big the screws should be snug 8 Install s...

Страница 7: ... device that is suitably approved and rated shall be incorporated in the field wiring 3 4 2 1 Local Power External DC Supply When using an external power supply to power the assembly connections are made to TB1 the 3 position screw terminal block located in the top Facility Compartment area The pre ferred wire entry hole is the strain relief grommet on the top right side of the assembly Make a sma...

Страница 8: ...T OUT RCV IN OPTIONAL EXTERNAL POWER SOURCE ESD GROUND CT1 CR1 CT CR T R XMT IN RCV OUT T1 R1 TO CUSTOMER INTERFACE T R T1 R1 Wire Wrap Pins XMT OUT RCV IN TB3 FA 2 AMP RCV OUT XMT IN P2 P1 Wire Wrap Pins TB2 PWR PWR GND 35 27 17 35 17 27 POWER SUPPLY WHEN EQUIPPED MULTIPLE TO POSITION 1 8 GROUND LUG takes 6 AWG copper wire TO CUSTOMER INTERFACE TO FACILITY INTERFACE 2 11 25 25 8 1 4 7 2 5 S C S C...

Страница 9: ...ecure wires to the pins per company practice Se cure the wires to the cable tie down on the OmniPakt 8 with cable ties when complete after testing For wiring details and pin designations see Figure 2 and Figure 5 3 4 4 2 RJ48C S Jacks and 2 Position Jack Switches Customer connections alternately can be made via the RJ48C S jacks which do not require the removal of the Cus tomer Wirewrap Pin cover ...

Страница 10: ...or modify the equipment by anyone other than an authorized Westell representative will void the warranty 6 2 Repair and Return Westell will repair or replace any defective Westell equipment without cost during the warranty period if the unit is defective for any reason other than abuse improper use or improper installation To return defective equipment first request a Re turn Material Authorizatio...

Страница 11: ...Section 28M A20 8A0 20A 030 101678 Rev A R 0803IARA 11 This page intentionally blank ...

Страница 12: ...803IARA 12 TEMPLATE FOR MARKING WALL MOUNTING HOLES Place this template on the wall in the desired mounting location then mark the top mounting holes The center hole can be used to self center the assembly See Paragraph 3 3 1 for mounting details ...

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