Patton electronic Surge Protector MODEL 552 User Manual

USER  
MANUAL  
MODEL 552 Series  
High Speed Telco Surge  
Protectors  
Part# 07M552-E  
Doc# 074210UE  
Revised 02/27/01  
SALES OFFICE  
(301) 975-1000  
TECHNICAL SUPPORT  
(301) 975-1007  
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An ISO-9001  
Certified Company  
 
Repairs to certified equipment should be coordinated by a  
representative designated by the supplier. Any repairs or alterations  
made by the user to this equipment, or equipment malfunctions, may  
give the telecommunications company cause to request the user to  
disconnect the equipment.  
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 (301) 975-1007.  
Users should ensure for their own protection that the electrical  
ground connections of the power utility, telephone lines and internal  
metallic water pipe system, if present, are connected together. This  
precaution may be particularly important in rural areas. Caution: Users  
should not attempt to make such connections themselves, but should  
contact the appropriate electric inspection authority, or electrician, as  
appropriate.  
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 chassis-  
ground 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, 552-D8,  
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.  
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3.0 INSTALLATION  
APPENDIX A  
MODEL 552 SPECIFICATIONS  
General  
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.  
Series Resistance:  
0.340 Ohms  
In Line Fuse Rating:  
250V, 3/4A, 2.95 (A2 sec) Nominal Melting  
Point  
Approvals:  
UL497A Telco Specification (except E1  
versions)  
CE (EMC Directive/EN 50082-1)  
Two female RJ-45 or 4 BNC jacks  
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.  
Connectors:  
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.  
Model 552-DDS  
Pins Protected:  
Clamping Voltage:  
Pins 1, 2, 7, 8  
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  
Connection to  
frame ground  
Differential Mode Pins 1, 2, 7, 8  
Model 552-D2  
Output to protected  
Input from  
equipment  
network  
Pins Protected:  
Pins 4, 5 on the RJ-45 Interface;  
Pins 3, 4 on the RJ-11 Interface  
310 Volts in 500 nsec  
Clamping Voltage:  
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  
Figure 1. How to Connect the Model 552  
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  
310 Volts in 500 nsec  
TX and  
RX from  
network  
TX and RX to  
protected  
equipment  
Clamping Voltage:  
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  
Figure 2. Model 552-E1CX One to One Connection  
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Model 552-D6  
Model 552-L4 and 552-U  
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  
310 Volts in 500 nsec  
Pins Protected:  
Pins 3, 4, 5, 6  
Clamping Voltage:  
Clamping Voltage:  
62 Volts in 500 nsec  
Surge Capacity: 1500 Watts for 1 msec;  
250A with an 8/20 µsec pulse  
Surge Capacity: 1500 Watts for 1 msec;  
400A with an 8/20 µsec pulse  
Protection Mode: Common Mode Pins 2, 3, 4, 5, 6, 7 to  
shielding braid  
Protection Mode: Common Mode pins 3, 4, 5, 6 to shielding  
braid  
Differential Mode Pins 2, 3, 4, 5, 6, 7  
Differential Mode Pins 3, 4 5, and 6  
Model 552-D8  
Model 552-L8* and 552-ST  
Pins Protected:  
Clamping Voltage:  
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  
Pins 1, 2, 3, 4, 5, 6, 7, 8  
310 Volts in 500 nsec  
Pins Protected:  
Clamping Voltage:  
SurgeCapacity:  
400 A with an 8/20 µsec pulse  
Protection Mode: Common Mode pins 1, 2, 3, 4, 5, 6, 7, 8 to  
shielding braid  
Pins 1, 2, 3, 4, 5, 6, 7, 8  
62 Volts in 500 nsec  
1500 Watts for 1 msec  
Differential Mode Pins 1, 2, 3, 4, 5, 6, 7, 8  
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:  
Surge Capacity: 1500 Watts for 1 msec;  
400A with an 8/20 µsec pulse  
62 Volts in 500 nsec  
*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.  
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:  
Clamping Voltage:  
All shields and center pins  
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  
Copyright © 1997, 2001  
Patton Electronics Company  
All Rights Reserved  
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