Black Box JPM083A Manuale utente

1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746

Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX

FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746

Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018

Web site: www.blackbox.com • E-mail: [email protected]

CUSTOMER

SUPPORT

INFORMATION

JULY 1998

JPM083A

JPM084A

JPM085A

JPM086A

12-Port Modular Patch Panels

24-Port Modular Patch Panels

24 PORT MODULAR PATCH PANEL

CATEGORY

12- AND 24-PORT MODULAR PATCH PANELS

TRADEMARKS USED IN THIS MANUAL

UL is a registered trademark of Underwriters Laboratories Incorporated.

Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.

12- AND 24-PORT MODULAR PATCH PANELS

1. Specifications

Compliance — UL®listed, #1863

Termination Type — Incoming cables terminated to 110 clips

Connectors — RJ-45 modular jacks used for patching 568B or 568A wiring pattern

(see the illustrations below)

Wiring — JPM084A, JPM086A: TS568A (EIA/TIA) wiring pattern;

JPM083A, JPM085A: T568B (Bell 258A) wiring pattern

Bandwidth Support — Up to 100 MHz

Transmission — Exceeds Category 5 requirements for near-end crosstalk (NEXT), attenuation,

and return loss as specified in TSB-40 standard

MTBF — 200 cycles

Temperature — Operating: 14 to 140°F (-10 to +60°C);

Storage: -40 to +158°F (-40 to +70°C); 70% relative humidity

Size — JPM083A, JPM084A: 4.2"H x 17.8"W x 2.8"D (10.7 x 45.2 x 7.1 cm);

JPM085A, JPM086A: 8.2"H x 17.8"W x 2.8"D (20.8 x 45.2 x 7.1 cm)

Weight — 3 lb. (1.3 kg)

W-O O W-G Bl W-Bl G W-Br Br

12345678

Pair 2 Pair 1 Pair 4

Pair 3

568B 568A

Pair 2

Pair 3 Pair 1 Pair 4

1 2 3 4 5 6 7 8

12- AND 24-PORT MODULAR PATCH PANELS

2. Introduction

2.1 Description

The 12- and 24-Port Modular Patch Panels are designed for small- to medium-sized cross-connect

applications where space is limited. For example, the Patch Panel is ideal for cluttered telecommuni-

cation closets where relay racks aren’t practical. Because the Panel mounts directly on the wall, no

extra rack equipment is needed. See Figure 1 for an illustration of the 24-Port Modular Patch Panel.

The Panel supports all applications operating on bandwidths up to 100 MHz, including TP-PMD and

ATM. The panel exceeds all Category 5 transmission requirements for NEXT, attenuation, and return

loss.

2.2 Features

• The panel’s simple one-piece design (plus cover) guarantees a clean installation,

even in small closets.

• Removable cover protects terminations.

• Total front access to the 110 clips and modular jacks (separate fields for terminating

and cross-connecting) cuts installation time and labor costs.

• The Patch Panel is clearly labeled with jack and block identification numbers.

• Fully enclosed PC board reduces radio-frequency interference.

• Built-in cable management, featuring jumper loops, keeps your cable neat and organized,

and helps technicians comply with Category 5 installation practices.

• Removable, unobstructed gold designation strips ensure easier moves and changes.

• 100% computer tested means the Panel ensures reliable Category 5 point-to-point continuity.

• Keyhole mounting slots for easier installation.

12- AND 24-PORT MODULAR PATCH PANELS

Figure 1. The 24-Port Modular Patch Panel.

J-7 J-12

J-13 J-18

J-19 J-24

J-1 J-6

1 6

712

13 18

19 24

1 6

712

13 18

19 24

Category

Removable cover protects terminations

Separate fields for terminating, patching

Removable, unobstructed designation strips

Built-in

jumper

management

Built-in wire management

helps eliminate cable stress,

maintain proper bend radius

Silk-screened jack and

block identification

12- AND 24-PORT MODULAR PATCH PANELS

3. Installation

Determine the appropriate mounting location for the patch panel. Insert screws (not supplied)

through the keyholes in the rear panel and fasten the patch panel securely to the wall.

There are countless ways to install cable in your patch panel. Figures 2 and 3 show (1) the suggested

order to terminate the 110 clips (left side of the panel) and (2) the suggested routing of line cords

between panels. This setup organizes the cables so the 110 clips and RJ-45 jacks are easily accessible,

even with a full patch panel.

Since NEXT electrical performance is affected by wiring practices, the TIA/EIA in 568 specifies

“preserving wiring twist as closely as possible to the point of mechanical termination.” In addition,

TSB-40 states “the amount of untwisting in a pair as result of termination to connector hardware shall

be no greater than 13 mm (0.5 inches) for Category 5 and shall be no greater than 24 mm (1 inch)

for Category 4.”

12- AND 24-PORT MODULAR PATCH PANELS

Figure 2. Suggested Cable Installation for the 24-Port Patch Panels.

J-7 J-12

J-13 J-18

J-19 J-24

J-1 J-6

1 6

712

13 18

19 24

J-7 J-12

J-13 J-18

J-19 J-24

J-1 J-6

1 6

712

13 18

19 24

23 19 15 11 7 3

21 17 13 9 5 1

22 18 14 10 6 2

24 20 16 12 8 4

8.27"

2.00"

3.84"

14.31"

15.63"

17.75"

3.84"

Category

12- AND 24-PORT MODULAR PATCH PANELS

Figure 3. Suggested Cable Installation for the 12-Port Patch Panels.

J-1 J-16

J-7 J-12

7 12

12 10 8 6 4 2

11 9 7 5 3 1

The numbers in the diagram below

illustrate the suggested order to

terminate 110 clips.

The illustration below shows the

suggested routing for line cords.

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