Patton 552 User Manual

USER
MANUAL

MODEL 552 Series

High Speed Telco Surge
Protectors

SALES OFFICE
[phone]
TECHNICAL SUPPORT
[phone]
http://www.patton.com

Part# 07M552-D
Doc# 074210UC
Revised 01/14/00

An ISO-9001

CERTIFIED

1.0 WARRANTY INFORMATION

Patton Electronics warrants all Model 552 components to be free
from defects, and will—at our option—repair or replace the product
should it fail within one year from the first date of shipment.

This warranty is limited to defects in workmanship or materials, and
does not cover customer damage, abuse or unauthorized modification.
If this product fails or does not perform as warranted, your sole
recourse shall be repair or replacement as described above. Under no
condition shall Patton Electronics be liable for any damages incurred
by the use of this product. These damages include, but are not limited
to, the following: lost profits, lost savings and incidental or
consequential damages arising from the use of or inability to use this
product. Patton Electronics specifically disclaims all other warranties,
expressed or implied, and the installation or use of this product shall be
deemed an acceptance of these terms by the user.

1.1 SERVICE

All warranty and non-warranty repairs must be returned freight
prepaid and insured to Patton Electronics. All returns must have a
Return Materials Authorization number on the outside of the shipping
container. This number may be obtained from Patton Electronics
Technical Service at: [phone]; http://www.patton.com; or,

[e-mail].

NOTE: Packages received without an RMA number will not be

accepted.

Patton Electronics' technical staff is also available to answer any
questions about the installation or use of your Model 552. Technical
Service hours are: 8AM to 5PM EST, Monday through Friday.

1.2 CE NOTICE

The CE symbol on your Patton Electronics equipment indicates
that it is in compliance with the Electromagnetic Compatibility (EMC)
directive and the Low Voltage Directive (LVD) of the Union European
(EU). A Certificate of Compliance is available by contacting Technical
Support.

2.0 GENERAL INFORMATION

Thank you for your purchase of this Patton Electronics product.
This product has been thoroughly inspected and tested and is
warranted for One Year parts and labor. If you have any questions
while installing or using this product, please do not hesitate to contact
Patton Electronics Technical Support at [phone].

2.1 FEATURES

• Uses a multi-stage hybrid circuit for the best possible protection

• Handles surge energy up to 1.5 kW

• Conforms to the UL497A telco specification (except E1 versions)

• Available for ISDN-U (8-wire), ISDN-ST (4-wire), T1, E1, ISDN
PRI, DDS, leased line and dial up configurations

• Diverts surges directly to chassis ground through braided metal
ground strap

• Equipped with two RJ-45 jacks or four BNC connectors

• Easy to install

• Made in the U.S.A.

2.2 DESCRIPTION

The potential threats to ISDN and Telco hardware are vast:
lightning, AC power induction, electrostatic discharge, ground potential
differences, EMI/RFI interference and more. The Patton Model 552 has
been designed to greatly reduce these risks. Just attach one unit to
each of your telco ports and rest easy.

The Model 552 connects directly between twisted pair telco cables
and their respective I/O ports. Grounding is accomplished using an
external ground strap that provides a separate unit-ground to chassis­ground connection. By shunting threatening voltages directly to chassis
ground, the Model 552 insures data integrity and protects connected
equipment from damage.

The Model 552 uses a solid state design and sophisticated
multistage hybrid circuits to achieve maximum protection without
performance loss. Eight versions are available: Model 552-ST, 552­D8, and 552-L8 protect all 8 pins; Model 552-D6 protects six pins;
Models 552-DDS, 552-D4, 552-U, 552-L4, 552-E1, 552-E1 CX, and
552-T1 protect four pins; and, Model 552-D2 protects two pins. All
versions provide up to 1500 Watts of data line protection.

NOTE: Model 552-L8 may be used to protect Leased Line, DDS,

T1, E1, ISDN PRI, and ISDN BRI “U” and “ST” interfaces.

WARNING!: This product will not provide complete protection

should your equipment or building be subject to a direct lightning hit.

3.0 INSTALLATION

Patton's Model 552 is easy to install and should give you years of
trouble-free service. Here are a few simple instructions to help you get
things hooked up right.

1. Unplug (disconnect) the existing connection between the network
cable and the equipment’s I/O port.

2. Install the Model 552 between the incoming network cable and the
protected equipment using the 6 inch (15.2cm.) modular patch
cable (supplied). Place the surge protector as close as possible to
the device being protected.
NOTE:To ensure proper operation of the Model 552, make sure
that your equipment is connected to the protected side of the
Model 552. See Figure 1 below.
NOTE:The Model 552-E1 CX has two pairs of BNC jacks that
connect one to one through the device. See Figure 2 below.

3. Connect the braided ground strap directly to a chassis ground
connection on the protected device. If you are not sure where to
locate a chassis ground connection on your equipment, consult the
equipment's user manual or contact the manufacturer. Correct
ground connection is critical for proper operation of the Model 552.

Output to protected

equipment

Input from

network

Connection to

frame ground

UNPROTECTED

PROTECTED

Figure 1. How to Connect the Model 552

Figure 2. Model 552-E1CX One to One Connection

TX and
RX from
network

TX and RX to

protected

equipment

APPENDIX A

MODEL 552 SPECIFICATIONS

General

Series Resistance: 0.340 Ohms
In Line Fuse Rating: 250V, 3/4A, 2.95 (A

2

sec) Nominal Melting

Point

Approvals: UL497A Telco Specification (except E1

versions)
CE (EMC Directive/EN 50082-1)

Connectors: Two female RJ-45 or 4 BNC jacks

Model 552-DDS

Pins Protected: Pins 1, 2, 7, 8
Clamping Voltage: 62 Volts in 500 nsec
Surge Capacity: 1500 Watts for 1 msec;

400A with an 8/20 µsec pulse

Protection Mode: Common Mode Pins 1, 2, 7, 8 to shielding

braid
Differential Mode Pins 1, 2, 7, 8

Model 552-D2

Pins Protected: Pins 4, 5 on the RJ-45 Interface;

Pins 3, 4 on the RJ-11 Interface

Clamping Voltage: 310 Volts in 500 nsec
Surge Capacity: 1500 Watts for 1 msec;

250A with an 8/20 µsec pulse

Protection Mode: Common Mode Pins 4, 5 to shielding

braid
Differential Mode Pins 4, 5

Model 552-D4

Pins Protected: Pins 3, 4, 5, 6 on the RJ-45 Interface

Pins 2, 3, 4, 5 on the RJ-11 Interface

Clamping Voltage: 310 Volts in 500 nsec
Surge Capacity: 1500 Watts for 1 msec;

250A with an 8/20 µsec pulse

Protection Mode: Common Mode Pins 3, 4, 5, 6 to shielding

braid
Differential Mode Pins 3, 4, 5, 6

Model 552-D6

Pins Protected: Pins 2, 3, 4, 5, 6, 7 on the RJ-45 Interface

Pins 1, 2, 3, 4, 5, 6 on the RJ-11 Interface

Clamping Voltage: 310 Volts in 500 nsec
Surge Capacity: 1500 Watts for 1 msec;

250A with an 8/20 µsec pulse

Protection Mode: Common Mode Pins 2, 3, 4, 5, 6, 7 to

shielding braid
Differential Mode Pins 2, 3, 4, 5, 6, 7

Model 552-D8

Pins Protected: Pins 1, 2, 3, 4, 5, 6, 7, 8
Clamping Voltage: 310 Volts in 500 nsec
Surge Capacity: 1500 Watts for 1 msec;

250A with an 8/20 µsec pulse

Protection Mode: Common Mode Pins 1, 2, 3, 4, 5, 6, 7, 8 to

shielding braid
Differential Mode Pins 1, 2, 3, 4, 5, 6, 7, 8

Model 552-T1 and 552-E1

Pins Protected: Pins 1, 2, 4, 5
Clamping Voltage: 62 Volts in 500 nsec
Surge Capacity: 1500 Watts for 1 msec;

400A with an 8/20 µsec pulse

Protection Mode: Common Mode Pins 1, 2, 4, 5 to shielding

braid
Differential Mode Pins 1, 2, 4, 5

Model 552--E1 CX

Pins Protected: All shields and center pins
Clamping Voltage: 62 Volts in 500 nsec
Surge Capacity: 1500 Watts for 1 msec;

400A with an 8/20 µsec pulse

Protection Mode: Common Mode Center Pins and Shield to

shielding braids
Differential Mode Center Pins to Shields

Model 552-L4 and 552-U

Pins Protected: Pins 3, 4, 5, 6
Clamping Voltage: 62 Volts in 500 nsec
Surge Capacity: 1500 Watts for 1 msec;

400A with an 8/20 µsec pulse

Protection Mode: Common Mode pins 3, 4, 5, 6 to shielding

braid
Differential Mode Pins 3, 4 5, and 6

Model 552-L8* and 552-ST

Pins Protected: Pins 1, 2, 3, 4, 5, 6, 7, 8
Clamping Voltage: 62 Volts in 500 nsec
SurgeCapacity: 1500 Watts for 1 msec

400 A with an 8/20 µsec pulse

Protection Mode: Common Mode pins 1, 2, 3, 4, 5, 6, 7, 8 to

shielding braid
Differential Mode Pins 1, 2, 3, 4, 5, 6, 7, 8

*NOTE: In addition to protecting leased line modem interfaces, the
Model 552-L8 may also be used to protect DDS, T1, E1, ISDN PRI,
and ISDN BRI “U” and “ST” interfaces.

Copyright © 1997

Patton Electronics Company

All Rights Reserved

Dear Valued Customer,

Thank you for purchasing Patton Electronics products! We do

appreciate your business. I trust that you find this user manual helpful.

We manufacture one of the widest selections of data communications
products in the world including CSU/DSU's, network termination units,
powered and self-powered short range modems, fiber optic modems, interface
converters, baluns, electronic data switches, data-line surge protectors,
multiplexers, transceivers, hubs, print servers and much more. We produce
these products at our Gaithersburg, MD, USA, facility, and can custom
manufacture products for your unique needs.

We would like to hear from you. Please contact us in any of the
following ways to tell us how you like this product and how we can meet your
product needs today and in the future.

Web: http://www.patton.com

Sales E-mail: [e-mail]

Support E-mail: [e-mail]

Phone - Sales [phone]

Phone - Support [phone]

Fax: [phone]

Mail: Patton Electronics Company

7622 Rickenbacker Drive
Gaithersburg, MD 20879 USA

We are committed to a quality product at a quality price. Patton
Electronics is BABT and ISO 9001 certified. We meet and exceed the highest
standards in the industry (CE, UL, etc.).

It is our business to serve you. If you are not satisfied with any
aspect of this product or the service provided from Patton Electronics or its
distributors, please let us know.

Thank you.

Burton A.Patton

Vice President

P.S. Please tell us where you purchased this product.
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