USER
MANUAL
MODEL 503S
Serial Surge Protector
Part# 07M503S-D
Doc# 074201UD
Revised 9/10/97
SALES OFFICE
(301) 975-1000
TECHNICAL SUPPORT
(301) 975-1007
C
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An ISO-9001
Certified Company
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2.0 GENERAL INFORMATION
3.0 INSTALLATION
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 any questions arise during
installation or use of the unit, contact Patton Electronics Technical
Support at (301)975-1000.
Patton's Model 503S is simple to install, and requires no user
configuration. Follow these installation steps.
1. Turn your equipment’s power switch off and disconnect the power
cord from the wall outlet.
2.1 PRODUCT DESCRIPTION
2. Unplug (disconnect) the existing connection between the serial
cable and your DB-25 serial port.
The Patton Model 503S guards all pins on the DB-25 serial
interface against data loss and damage due to transient surges. The
Model 503S employs a solid state circuit using Silicon Avalanche
Diodes, and has a combined surge handling capacity of up to 36,000
Watts (1.5kW per wire). Connecting directly between the DB-25 serial
port of your hardware (PC, modem or printer) and the serial cable, the
Model 503S diverts surge energy to chassis ground through pin 1 and
the metal D-shell. For complete protection of your serial line, we
recommend that one surge protector be used at each end of the line.
3. Install the Model 503S between the serial cable and the DB-25
serial port. If the D-shell is not connected to chassis ground, use
the grounding wire (included) to make an alternate frame ground
connection. Proper grounding is essential to the operation of the
Model 503S.
Alternate Ground Connections
Warning: These products will not provide complete protection
should your equipment be subject to a direct lightning hit.
2.2 SURGE PROTECTION BENEFITS
The method of surge protection used in the 503S adds four
benefits to your system.
MODEL 503S
SERIAL DB-25
SURGE
PROTECTOR
1. High Surge Capability . The 503S handles up to 36k Watts
(1500 Watts per wire) of surge energy.
2. Quick Response. The 503S feature a response time of 500
nsec, with transient surges being clamped at 27 Volts.
3. Low Impedance. Connect the 503S directly to RS-232 ports
with minimal load to your system — about the same as a
gender changer.
Figure 1. How to Connect the Patton Model DB-25 to Your PC, Modem or Printer
4. “Fail Safe” Design. Unlike some other surge suppressors,
the 503S fails short to ground should your system experience
an excessive surge.
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APPENDIX A
Dear Valued Customer,
Thank you for purchasing Patton Electronics products! We do
PATTON MODEL 503S SPECIFICATIONS
appreciate your business. I trust that you find this user manual helpful.
LInes Protected:
Protects 24 lines on the DB-25 serial
interface
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.
Power Handling:
Peak combined power handling up to
36kW; 1.5kW per wire; 10 x 1000µSec in
Compliance to IEC 801-5, Level 3, 2 kV
27 Volts
Surge energy diverted to chassis ground
through pin 1 and metal D-shell. Alternate
ground connection for Model 503P provided
by external grounding wire.
Clamp Voltage:
Grounding:
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.
Capacitance:
Cable Length Burden: less than 9.1’ (2.8m)
less than 500pF
Surge Capacity:
IEC 801-5, Level 3, 2kV
Web:
(301) 975-1000
(301) 975-1007
(301) 869-9293
Sales E-mail:
Support E-mail:
Phone - Sales
Phone - Support
Fax:
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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Copyright © 1997
Patton Electronics Company
All Rights Reserved
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