ADCP-80-374 • Issue 1 • May 2004

DSX-3 Interbay Patch Panel Installation Instructions Content

Page

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 List of Changes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Trademark Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Admonishments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 General Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1

INTERBAY PATCH PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2

ENVIRONMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3

UNPACKING AND INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4.1

5

Chassis, Module and Panel Positioning and Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

SYSTEM WIRING AND CABLING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5.1

Power Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

5.2

Busy LED Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

5.3

Interbay Patch Panel Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

6

INTERBAY PATCHING BY MEANS OF SHORT PATCH CORDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

7

PREVENTIVE MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

8

CORRECTIVE MAINTENANCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

9

8.1

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

8.2

Tracer Lamp Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

8.3

Fuse Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

CUSTOMER INFORMATION AND ASSISTANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

_________________________________________________________________________________________________________

INTRODUCTION This manual describes the ADC DSX-3 Interbay Patch panel and its use in multiple bay single lineups, and in multiple bay multiple lineups DSX-3 Systems. The panel is described both physically and functionally, and simplified schematic diagrams are included to show interconnecting cabling and circuit patching operations. Installation instructions are also provided showing cabling interconnections on each panel. Signals are patched from one bay to another through the interbay panel instead of stretching patch cords from one bay to another.

1287595 Rev A

Page 1 © 2004, ADC Telecommunications, Inc.

ADCP-80-374 • Issue 1 • May 2004

Revision History ISSUE

DATE

1

05/2004

REASON FOR CHANGE Original Publication

List of Changes PAGE

IDENTIFIER

All

--

DESCRIPTION OF CHANGE New

Trademark Information ADC is a registered trademark of ADC Telecommunications, Inc.

Related Publications Listed below are related manuals and their publication numbers. Copies of these publications can be ordered by contacting the ADC Technical Assistance Center at 1-800-366-3891 (in U.S.A. or Canada) or 952-917-3000, extension 73475 (outside U.S.A. and Canada). Title/Description

DS3 Digital Signal Cross-Connect (DSX-3) System Application Guide

ADCP Number

80-323

Admonishments Important safety admonishments are used throughout this manual to warn of possible hazards to persons or equipment. An admonishment identifies a possible hazard and then explains what may happen if the hazard is not avoided. The admonishments — in the form of Dangers, Warnings, and Cautions — must be followed at all times. These warnings are flagged by use of the triangular alert icon (seen below), and are listed in descending order of severity of injury or damage and likelihood of occurrence. Danger: Danger is used to indicate the presence of a hazard that will cause severe personal injury, death, or substantial property damage if the hazard is not avoided. Warning: Warning is used to indicate the presence of a hazard that can cause severe personal injury, death, or substantial property damage if the hazard is not avoided. Caution: Caution is used to indicate the presence of a hazard that will or can cause minor personal injury or property damage if the hazard is not avoided.

General Safety Precautions Warning: Never install telephone equipment in a wet location or during a lightning storm. When installing or modifying telephone lines, disconnect lines at the network interface before working with uninsulated lines or terminals to prevent electrical shock.

Page 2 © 2004, ADC Telecommunications, Inc.

ADCP-80-374 • Issue 1 • May 2004

1

INTERBAY PATCH PANELS Each patch circuit on the Interbay Patch Module consists of four jacks and a busy indicator with toggle switch as shown in Figure 1. The jacks are designated; LEFT OUT, LEFT IN and RIGHT IN, RIGHT OUT. The LEFT jacks are used to patch to the bays to the left of the Interbay Patch Module (standing in front of the module), and the RIGHT jacks are used to patch to the bays to the right of the Interbay Patch Panel. A manually activated LED or lamp provides a circuit busy or in use indicator. The Interbay Patch Modules have BNC on the back of the Module for interconnect cabling between Modules. Interbay Patch Panels in DSX-3 Bay Systems provide the capability to patch between two DSX3 circuit locations that are several bays or lineups apart without using long patch cords. A circuit patch is set up in two steps; 1) from the originating DSX-3 termination and to a patch jack circuit on the nearest Interbay Patch Panel; 2) from the terminating DSX-3 termination to the corresponding patch jack circuit on a nearby Interbay Patch Panel. The patch circuit busy indicator is normally dark. When Toggle switch is placed in the IN USE position, the LED’s at each multiple point flash for approximately 30 seconds and then remain lighted indicating circuit is in use. The patch jack circuit multiple wiring is such that the circuit is open in the opposite direction of the patch setup. That is, if the setup is to the left, the left jack is used and opens the jack multiple to the right.

19482-A

Figure 1. Interbay Patch Panel with LED Indicators

Interbay patching panels are normally located in every fourth maintenance bay within DSX-3 lineups. Interbay patch panels are used for patching between bays when patch cord lengths become excessive. These panels are placed in each maintenance bay allowing the use of a series of short patch cords to connect any two DSX positions in the same or adjacent bay lineups. The originating DSX position is patched to the closest interbay panel and from there the signal is transmitted via tie cables to the other interbay panels in the bay lineup(s). The signal is then patched from an associated interbay panel to the terminating DSX position to complete the circuit. Interbay patch panels are available with either standard or midsize jacks.

Page 3 © 2004, ADC Telecommunications, Inc.

ADCP-80-374 • Issue 1 • May 2004

Toggle switches are used to isolate the Interbay Patch LED circuit from the remaining Interbay Patch panels in the series. The toggle switch also activates the busy LED. The patch circuit busy indicator is normally dark. After inserting a patch cord and the toggle switch is moved to the “In Use” position, the busy indicator lights at each multiple point of the patch circuit. When the In Use switch is moved from the Idle position, the patch jack circuit multiple wiring is such that the circuit is open in the opposite direction of the patch setup. That is, if the setup is to the left, the left jack is used and opens the jack multiple to the right. A typical interbay patch panel application is shown in Figure 2. Cable and cross-connect distance requirements vary depending upon the application and cable type. Refer to ADC Application Note 1228 for additional information. INTERBAY TIE CABLE PATCH CORD

NETWORK ELEMENT A

DSX-3

PATCH CORD

INTERBAY PATCH PANEL

INTERBAY PATCH PANEL

DSX-3

NETWORK ELEMENT B

27-FOOT MAXIMUM (RG-59) 1873-A

Figure 2. Typical DSX-3 Interbay Patch Panel Application

2

ENVIRONMENT The DSX interbay patch panel will operate in any ambient temperature and humidity within the following ranges: • Temperature: 0° C (+32° F) to +50° C (+122° F) • Humidity: 5% to 95% relative humidity without condensation The DSX interbay patch panel can be shipped and stored in any ambient temperature and humidity within the following ranges: • Temperature: –40° C (–40° F) to +70° C (+168° F) • Humidity: 5% to 95% relative humidity without condensation

3

UNPACKING AND INSPECTION Remove all items from their shipping containers. Each panel includes a separate package of parts. Verify that all parts on the packing slip have been received before shipping containers are discarded. If there are any damaged or missing parts, file a claim with the commercial carrier and notify ADC.

Page 4 © 2004, ADC Telecommunications, Inc.

ADCP-80-374 • Issue 1 • May 2004

4

INSTALLATION Installation of Interbay Patch Panels in various DSX-3 bays involves installation of the panel, interconnection of the LED circuits on the terminal blocks at the back of the modules, terminating of BNC connectors from panel to panel, and connection of battery and battery return leads to power the LED indicators. Warning: Never install telephone equipment in a wet location or during a lightning storm. When installing or modifying telephone lines, disconnect lines at the network interface before working with uninsulated lines or terminals to prevent electrical shock.

4.1

Chassis, Module and Panel Positioning and Mounting The package of loose parts contains mounting screws and installation drawing. Panels have optional mounting positions. The panel can be mounted flush, or with a two, or four inch recess. Place mounting brackets on the panel and install in the assigned bay position using 12–24 × 0.5 inch mounting screws. See Figure 3. Choose the best mounting option for the environment and type of equipment rack used.

SCREW (4 PLACES)

19481-A

Figure 3. Interbay Patch Panel Installation

Page 5 © 2004, ADC Telecommunications, Inc.

ADCP-80-374 • Issue 1 • May 2004

5

SYSTEM WIRING AND CABLING Wiring and cabling of the DSX interbay patch panel into the office requires connection of office power and ground and cabling of interbay panels to each other (right jacks of one panel to left jacks of next panel). The following paragraphs give procedures for installing wiring and cabling. Caution: All DSX interbay panel wiring and cabling should be connected with the system office battery input off or with the fuses removed at the fuse panel.

5.1

Power Wiring The DSX interbay patch panel operates on –48 Vdc filtered office battery, fused or breakered at the rack fuse panel. Current requirements can be calculated based on 0.008 Amps maximum per flashing LED. Equipment racks are normally equipped with a fuse panel located at the top. The number of LEDs or lamps lit at any one time will depend on local patching and testing procedures. It is recommended that each interbay patch panel be fused at the fuse panel with a 0.5 amp fuse and connected to the fuse panel using 22 AWG solid tinned copper wire. Spade terminals should be used for connection to the screw terminals. A typical interbay patch panel power terminal strip is shown in Figure 4.

19483-A

Figure 4. Typical DSX Module Power Terminal Strip

Page 6 © 2004, ADC Telecommunications, Inc.

ADCP-80-374 • Issue 1 • May 2004

Connect each panel to the fuse panel as follows: 1. Connect –48V terminal on the chassis to a NEG (–) distribution terminal on the fuse panel. 2. Connect B GND terminal on the chassis to the corresponding POS (+) distribution terminal on the fuse panel. 3. Connect chassis ground to the office grounding system. The chassis ground is often grounded to the equipment rack which in turn is connected to the office grounding system.

5.2

Busy LED Cabling Interbay LED circuits are connected together using the two wire wrap blocks located at the back of each panel. The left wire wrap block is connected to the previous (right) interbay jack circuits and the right wire wrap block is connected to the next (left) interbay circuits. Each Interbay Patch Panel is daisy-chained to the previous or next Interbay Patch Panel in a similar fashion. LED circuit wire wrap terminations are shown in Figure 5.

1 7 13 19

6

BSY RIGHT 24

BSY LEFT

1 7 13 19

6

24

19589-A

Figure 5. Busy LED Wire Wrap Block

Page 7 © 2004, ADC Telecommunications, Inc.

ADCP-80-374 • Issue 1 • May 2004

5.3

Interbay Patch Panel Cabling Interconnect all interbay patching panels using coaxial cables with BNC connectors at the back of each panel. Interpanel cabling is shown in Figure 6. Daisy-chain cabling is used with circuits dedicated to other DSX-3 bays as shown in Figure 7. Interbay patch circuits between lineups may require I/O repeaters if the total patch length between DSX positions exceeds their limit. Refer to ADC Application Note 1228 for additional information. The tie cables between interbay patch panels are wired so that outputs on one panel are wired to the inputs of the other panel as shown in Figure 6. PERMANENT COAXIAL TIE CABLES

TEMPORARY COAXIAL PATCH CORDS

OUT

OUT DS3 NETWORK ELEMENTS

DSX-3

TEMPORARY COAXIAL PATCH CORDS

OUT

INTERBAY PATCH PANEL

OUT INTERBAY PATCH PANEL

DS3 NETWORK ELEMENTS

DSX-3 IN

IN IN

IN 1894-B

Figure 6. Interbay Patch Panel Wiring

Page 8 © 2004, ADC Telecommunications, Inc.

ADCP-80-374 • Issue 1 • May 2004

BAY 3

BAY 8

BAY 13

+

+

+

GND MULT -48V MULT B GND

MULT -48V

_ -48V LEFT RIGHT IN IN USE USE IDLE IDLE SW SW

BSY

LINE-UP #1

GND

BNC

MULT B GND BSY

BNC

LEFT RIGHT IN IN USE USE IDLE IDLE SW SW

BSY

REAR OF PANEL

BNC

FRONT OF PANEL

OUT LEFT IN

R1

BNC

REAR OF PANEL

BNC

LEFT RIGHT IN IN USE USE IDLE IDLE SW SW

BSY

BNC

LINE-UP #2

BNC

MULT B GND

REAR OF PANEL

BNC

BNC

LEFT RIGHT IN IN USE USE IDLE IDLE SW SW

BNC

FRONT OF PANEL

BSY

_ -48V LEFT RIGHT IN IN USE USE IDLE IDLE SW SW

BSY

BNC

IN RIGHT OUT

REAR OF PANEL

BNC

BAY 8

TO NEXT LINE-UP

R1

OUT LEFT IN

IN RIGHT OUT

R1

BNC

NOTES: - NO ADDITIONAL PATCH CORDS NEEDED TO CREATE MULT. - WHEN FLEDS ARE ACTIVATED YOU KNOW THAT CIRCUIT IS IN USE.

BSY

BNC

PERMANENT CABLE ON REAR (TYP. 24 POS.)

R1

BNC

BAY 3

MULT B GND

BNC

OUT LEFT IN

R1

BNC

GND MULT -48V

R1

IN RIGHT OUT

BNC

+

R1

OUT LEFT IN

IN RIGHT OUT

R1

_ -48V

BSY

TO NEXT LINE-UP

BNC

OUT LEFT IN

GND MULT -48V

BSY

R1

+

_ -48V

BSY

IDLE IDLE SW SW

BSY

IN RIGHT OUT

BNC

GND

MULT B GND

LEFT RIGHT IN IN USE USE

R1

+ MULT -48V

BSY

_ -48V

R1

IN RIGHT OUT

BNC

MULT B GND

BNC

R1

OUT LEFT IN

GND MULT -48V

_ -48V

BNC

BNC

BAY 13 19484-A

Figure 7. Typical DSX-3 Bay Arrangements Showing Daisy-Chain Interbay Patch Panel Cabling

Page 9 © 2004, ADC Telecommunications, Inc.

ADCP-80-374 • Issue 1 • May 2004

6

INTERBAY PATCHING BY MEANS OF SHORT PATCH CORDS This procedure is used to patch between bay lineups or between distant bays in the same lineup, without the use of long patch cords. Patching is accomplished with several short patch cords, using the interbay patch panels. A typical example is when a DSX circuit is patched from lineup 1 to lineup 2 via interbay patch panels in maintenance bays. STEP

PROCEDURE

1

Install patch cord in DSX OUT jack in lineup 1 to interbay IN jack in maintenance bay in lineup 1. Install patch cord in DSX IN jack in lineup 1 to interbay OUT jack in maintenance bay in lineup 1.

2

Install patch cord in DSX OUT jack in lineup 2 to interbay IN jack in maintenance bay in lineup 2. Install patch cord in DSX IN jack in lineup 2 to interbay OUT jack in maintenance bay in lineup 2.

MON OUT

SHORT PATCH PERMANENT COAXIAL CORDS TIE CABLES OUT

SHORT PATCH CORDS

IN

IN

IN

IN

INTERBAY PATCH PANEL IN MAINTENANCE BAY IN LINEUP 1

IN

EQUIPMENT A

IN

INTERBAY PATCH PANEL IN MAINTENANCE BAY IN LINEUP 2

DSX IN LINEUP 1 NOTE: CROSS-CONNECT JUMPERS ARE NOT SHOWN.

7

OUT OUT

OUT EQUIPMENT A

MON

OUT

DSX IN LINEUP 2 1898-A

PREVENTIVE MAINTENANCE Systems should be cleaned during routine office equipment maintenance. Accumulated dust and film should be removed using a vacuum cleaner and clean soft brushes and cloths. Care must be taken to prevent dust and dirt from getting into jacks.

8

CORRECTIVE MAINTENANCE Interbay panel corrective maintenance consists of: • Replacement of burned out fuses and tracer lamps • Inspection and repair of wiring and connections For any repairs other than described in this section contact ADC as described in Section 9. If a call is placed after hours or on a holiday or weekend, an answering device will take the message and alert service personnel for call-back the following business day.

Page 10 © 2004, ADC Telecommunications, Inc.

ADCP-80-374 • Issue 1 • May 2004

8.1

Troubleshooting Troubleshooting of the Interbay Patch Panel consists of visual inspection and continuity testing. Cross-connections can be quickly checked by bypassing them with patch cords to the corresponding IN and OUT jacks.

8.2

Tracer Lamp Replacement Burned out tracer lamps are replaced at the front of the Interbay panel. Lamps are removed by pulling them from the panel sockets. No special tools are required. Replacement lamps must be inserted with the negative (–) terminal up.

8.3

Fuse Replacement Burned out fuses are replaced at the front of the fuse panel. Fuses are removed by pulling them from the panel sockets and installed by pressing them into the panel sockets. No special tools are required. Caution: A replacement fuse must have exactly the same current rating as the fuse being replaced.

Page 11 © 2004, ADC Telecommunications, Inc.

ADCP-80-374 • Issue 1 • May 2004

9

CUSTOMER INFORMATION AND ASSISTANCE PHONE: EUROPE Sales Administration: +32-2-712-65 00 Technical Assistance: +32-2-712-65 42 EUROPEAN TOLL FREE NUMBERS Germany: 0180 2232923 UK: 0800 960236 Spain: 900 983291 France: 0800 914032 Italy: 0800 782374 U.S.A. OR CANADA Sales: 1-800-366-3891 Extension 73000 Technical Assistance: 1-800-366-3891 Connectivity Extension 73475 Wireless Extension 73476 ASIA/PACIFIC Sales Administration: +65-6294-9948 Technical Assistance: +65-6393-0739 ELSEWHERE Sales Administration: +1-952-938-8080 Technical Assistance: +1-952-917-3475 WRITE: ADC TELECOMMUNICATIONS, INC PO BOX 1101, MINNEAPOLIS, MN 55440-1101, USA ADC TELECOMMUNICATIONS (S'PORE) PTE. LTD. 100 BEACH ROAD, #18-01, SHAW TOWERS. SINGAPORE 189702. ADC EUROPEAN CUSTOMER SERVICE, INC BELGICASTRAAT 2, 1930 ZAVENTEM, BELGIUM

PRODUCT INFORMATION AND TECHNICAL ASSISTANCE:

[email protected] [email protected] [email protected]

13944-L

[email protected] Contents herein are current as of the date of publication. ADC reserves the right to change the contents without prior notice. In no event shall ADC be liable for any damages resulting from loss of data, loss of use, or loss of profits and ADC further disclaims any and all liability for indirect, incidental, special, consequential or other similar damages. This disclaimer of liability applies to all products, publications and services during and after the warranty period. This publication may be verified at any time by contacting ADC's Technical Assistance Center.

© 2004, ADC Telecommunications, Inc. All Rights Reserved Printed in U.S.A

Page 12