Telect BCS 4R Manual de usuario

BCS 4R DSX-3 Connectivity System

Models 010-8332-0410, 010-8332-0401, 010-8324-0410

and 010-8324-0401

User Manual

Page ii

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

BCS 4R DSX-3 Connectivity System

Models 010-8332-0410, 010-8332-0401, 010-8324-0410

and 010-8324-0401

User Manual, Part number 139256

Telect and Connecting the Future are registered trademarks of Telect, Inc.

1730 N Madson St., Liberty Lake, Washington

Telect assumes no liability from the application or use of these products. Neither does Telect convey any

license under its patent rights nor the patent rights of others. This document and the products described

herein are subject to change without notice.

About Telect

Telect offers complete solutions for physical layer connectivity, power, equipment housing and other

network infrastructure equipment. From outside plant and central office to inside the home, Telect draws on

more than 25 years of experience to deliver leading edge product and service solutions. Telect is

committed to providing superior customer service and is capable of meeting the dynamic demands of

customer and industry requirements. This commitment to customer and industry excellence has positioned

Telect as a leading connectivity and power solution provider for the global communications industry.

Technical Support

E-mail: [email protected]

Phone: 888-821-4856 or 509-921-6161

Page iii

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

BCS 4R DSX-3 Connectivity System

User Manual

Table of Contents

Chapter 1: BCS 4R DSX-3 ......................................................................................................... 1

1.1 Introduction to Telect’s BCS 4R ....................................................................................... 1

1.1.1 BCS 4R Fully-Loaded Chassis ................................................................................ 3

1.1.2 BCS 4R DSX-3 Module (Models 010-8301-0401 & 010-8302-0401) ...................... 4

1.1.3 BCS 4R Chassis (Model 010-0000-8301 and 010-0000-8302) .............................. 5

1.1.4 Applications .............................................................................................................6

1.1.5 Cutover / Acceptance Activities ............................................................................... 6

1.1.6 Restoration of Service Activities.............................................................................. 6

1.1.7 Routine Maintenance Activities ............................................................................... 6

1.1.8 Features / Capabilities / Capacities / Benefits ......................................................... 7

1.1.9 Compliance ............................................................................................................. 7

1.2 DSX-3 Specifications........................................................................................................8

Chapter 2: Installation............................................................................................................... 9

2.1 Installation Considerations ...............................................................................................9

2.1.1 Location and Space ................................................................................................ 9

2.1.2 Computer Floor Issues .......................................................................................... 10

2.1.3 Required Tools and Equipment.............................................................................. 10

2.2 Inspection ....................................................................................................................... 10

2.3 Installation ...................................................................................................................... 11

Chapter 3: Electrical Operation .............................................................................................. 17

3.1 Power ............................................................................................................................. 17

3.1.1 Tracer Lamps (TL) ................................................................................................ 18

3.1.2 Monitor Ports ......................................................................................................... 18

3.2 DSX Cross-Connections ................................................................................................ 18

3.2.1 Backplane Cross-Connections .............................................................................. 18

3.2.2 DSX Card Front Patch ..........................................................................................20

Chapter 4: Service ................................................................................................................... 21

4.1 Owner Maintenance ....................................................................................................... 21

4.2 Troubleshooting Cross-Connected Signals ................................................................... 21

4.3 Replacing the Tracer Lamp LED .................................................................................... 21

4.4 Service ........................................................................................................................... 21

4.4.1 In-Warranty Service .............................................................................................. 21

4.4.2 Out-Of-Warranty Service........................................................................................ 22

4.5 Repacking For Shipment ............................................................................................... 22

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List of Figures

Figure 1 - Basic Chassis .............................................................................................................. 1

Figure 2 - Rear View of Fully Loaded Chassis ............................................................................. 2

Figure 3 - Network Element Circuits............................................................................................ 3

Figure 4 - Cross-connect Inputs................................................................................................... 4

Figure 5 - Model 010-0000-8301 .................................................................................................5

Figure 6 - Rack ............................................................................................................................ 9

Figure 7 - Mounting Chassis to Rack .........................................................................................11

Figure 8 - Routing Power ........................................................................................................... 12

Figure 9 - Grounding the Chassis .............................................................................................. 13

Figure 10 - BNC Insertion Tool .................................................................................................. 13

Figure 11 - Connections ............................................................................................................. 14

Figure 12 - Rear Cross-Connect Cables with Tracer Wire ........................................................ 15

Figure 13 - Power from Distribution Panel to Front Tracer Lamp ..............................................17

Figure 14 - Tracer Lamp Operation ........................................................................................... 18

Figure 15 - Schematic Drawing of Cross-Connection................................................................ 19

Figure 16 - Rear Cross-Connect Cables with Tracer Wire ........................................................ 19

Figure 17 - Temporary Front Cross-Connect Using Patch Cables & DSX Cards ...................... 20

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 1-1

Chapter 1: BCS 4R DSX-3

1.1 Introduction to Telect’s BCS 4R

Telect’s BCS 4R is a low-cost, high-density, space-saving total solution to DSX-3 network

element connectivity.

Telect’s 2 RU BCS 4R chassis accommodates up to 32 of Telect’s highly reliable, 6-port BCS 4R

DSX-3 modules. Each low-cost DSX-3 module features BNC and Mini-WECO connectors for

cross-connecting, patching, testing. and bi-directional monitoring of network element circuits.

Panels are available fully configured and loaded with DSX-3 modules, helping to simplify

purchasing and installation. Options include 24-termination/19" and 32-termination/23" panels,

with 6-port DSX-3 modules. All panels are just 4" in height.

Figure 1 - Basic Chassis

Front

Rear

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 1-2

Figure 2 - Rear View of Fully Loaded Chassis

BCS 4R

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 1-3

Figure 3 - Network Element Circuits

1.1.1 BCS 4R Fully-Loaded Chassis

Telect now provides fully-loaded 19” and 23” DSX-3 panels. These products come pre-loaded with

either 6-port or 4-port modules. See the following table for part numbers.

Table 1 - Fully-loaded 19” and 23” DSX-3 panels

Chassis Module Part Number

19”, 24-position 6-port 010-8324-0410

19”, 24-position 4-port 010-8324-0401

23”, 32-position 6-port 010-8332-0410

23”, 32-position 4-port 010-8332-0401

LED ASSEMBLY

MON

OUT

MON

BATT A

RTN A RTN A

BATT A

LED ASSEMBLY

MON

OUT

MON

TRACER WIRE

Network Element 1 Network Element 2

FRONT FRONTREAR REAR

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 1-4

1.1.2 BCS 4R DSX-3 Module (Models 010-8301-0401 & 010-8302-0401)

Telect’s BCS 4R DSX-3 Module is a 4-port passive card module for populating the BCS 4R

Chassis.

Model 010-8301-0401 fits every odd-numbered shelf position (Positions 1 through 31) and Model

010-8302-0401 fits every even position (Positions 2 through 32). (BCS 4R DSX-3 Module kit

[Model 999-8300-0401] contains one odd and one even module.) The BNC connections on the

rear of the even versus the odd modules are slightly offset to accommodate 32, side-by-side

modules in each chassis.

BNC circuit assignments are as follows:

• Input (I) to and Output (O) from the network element, and

• Cross-connect input (XI) and output (XO) — from/to another DSX-3 module. Cross-connec-

tions between DSX-3 Modules should be 27 ft. or less.

Figure 4 - Cross-connect Inputs

The four ports on the front of the module are Mini-WECO connectors for temporary Input (I) and

Output (O) patch cords (734A or 735A cables) from/to a standby DSX-3 circuit, and for temporary

Monitor (M) patch cords:

• The I and O patch connections are intrusive, highly reliable, make-and-break connections that

break (disconnect) the cross-connect circuits at the same time making (connecting) the

standby circuit. Patch cord connections between DSX-3 modules should be 20 ft. or less.

•TheMconnections are non-intrusive connections that allow for testing, diagnosis, and trouble-

shooting without disconnecting either normal or standby service.

The front of the module contains a red tracer LED fed by power supplied from a GMT power shelf.

A tracer wire is inserted through the rear of the BCS 4R Chassis; the tracer lamp is lit by

grounding the tracer wire at the trace controller. Tracer lamps aid in diagnosing problems by

visually mapping out assigned network element cross connections.

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 1-5

1.1.3 BCS 4R Chassis (Model 010-0000-8301 and 010-0000-8302)

The 23-in. and 19-in. BCS 4R Chassis are shelves containing 32 and 24 positions, respectively,

for BCS 4R DSX-3 modules.

Each chassis includes a power backplane to feed -48Vdc, tracer-lamp power to the DSX-3

modules. Each chassis comes with cable management ring assemblies that attach to the rear of

the rack and flipout designation cards that attach to the mounting brackets on the front of the

rack. (Designation cards are not shown in the following illustration.) All mounting hardware

is included.

Figure 5 - Model 010-0000-8301

Telect, Inc. • USA +1.509.926.6000 • Mexico +52.33.3836.37.52

Page 1-6

1.1.4 Applications

Telect’s BCS 4R System is ideal for central offices and other DSX-3 distributive activities

including

• high-density central offices

• other DS3 network applications

• cutover / acceptance activities

• restoration of service activities

• routing maintenance activities

as well as normal DCS interconnects, or wherever reliable, low-cost DSX-3 connectivity is

a must.

1.1.5 Cutover / Acceptance Activities

BCS 4R DSX-3 simplifies equipment installation and cutover by providing temporary digital line

patch cord connections during new equipment installation. After the new equipment has been

wired to the DSX, cross-connections are made to connect the new equipment in its final office

configuration. Removing the wiring from the DSX to the old equipment and taking down the patch

cords completes the cutover.

1.1.6 Restoration of Service Activities

Malfunctioning equipment is readily identified at the BCS 4R DSX-3 by equipment

sectionalization (circuit split-test in both directions) and by patching substitute equipment for

verification. Digital line patch cords at the DSX can immediately restore any out-of-service facility,

whether caused by a cable cut, malfunctioning equipment, etc. Rather than using jacks located at

the individual units, manual restoration patching can be done at a centralized location — at the

DSX. When the equipment or cable is repaired or routing for preventive maintenance is

accomplished, the facility can be returned to its original configuration by simply removing the

patch cords.

1.1.7 Routine Maintenance Activities

Periodic testing of facility parameters assures maintenance of adequate service levels. By

terminating all digital office equipment at one central point — at the BCS 4R DSX-3 — overall

testing can be performed from the central location. Periodic testing at DSX test jacks, connected

directly to digital equipment inputs and outputs, identifies marginal equipment.

Circuit order work is another important routine maintenance activity. Major changes in traffic

patterns may leave a surplus of capacity at a vacated area and a shortage at another. Traffic

pattern changes are rapidly accomplished by reconfiguring cross-connect jumpers at the DSX.

The ability to make these changes at the DSX makes major rewiring unnecessary and results in

a reduction of skilled manpower and time requirements.

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