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3.0  INSTALLATION

Take these 4 steps to install your Patton Model 51X.

Note:  

Make sure you follow the installation instructions exactly. 

If the suppressor is improperly installed, the current-limiting 
feature could be rendered inoperable.

1.   Disconnect the RJ-45 terminated  network cables from  your 

terminal server.

2.   Connect your network cables to an input port on your Model 

51X.  Since the Model 51X provides bidirectional protection, 
the front or rear ports can be used as the input from your 
network.

3.

Using the RJ-45 cables provided, connect each of the output 
ports to an input port of your terminal server.  Note that the 
51X features a 

straight through

design.  Data entering the 

terminal server protector at an RJ-45 input will leave the 
protector at the RJ-45 output that is located directly behind it.

4.

Connect the braided metal strap on the Model 51X to a nearby
chassis ground.  In industrial applications, the ground strap 
can be removed from the terminal post to allow alternative 
ground connections to be added.  If you are not sure of the 
proper grounding for your Model 51X, please contact Patton 
Electronics Technical Service at: 

(301) 975-1007

http://www.patton.com; 

or

[email protected]

.

NOTE

: We highly recommend that you use a surge protection device 

at both ends of your RS-232 or RS-422/RS-485 ports. 

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Figure 1.  How to Connect the Model 51X

Terminal

Servier

Model

51X

Model
513/25

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
about this product, please call Patton Electronics Technical Support at:

(301) 975-1007

[email protected]

; or,

http://www.patton.com.       

2.1  FEATURES

•  Guards 4, 6, 8 or 12 RS-232 (Model 51X/25) or RS-422/RS-485

(Model 51X/6) ports simultaneously

• Each protector has an RJ-45 input port and an RJ-45 output port

• Surge handling capability  of up to 1.5KW

•  Data Rates to 230 kbps

• Surge energy is diverted to ground through a braided metal strap

• Compact design perfect for hosts, servers or multiport devices

• Made in the U.S.A.

2.2  DESCRIPTION

The Patton Model 51X Series is built to answer the question of how

to provide transient protection for multiple RS-232 or RS-422/RS-485
ports spaced closely together on a twisted pair terminal server.  It is a
very compact box that houses 4, 6, 8, or 12 surge protectors in a high-
density array.  Matching input and output ports on the front and rear
panels allow the Model 51X Series to conveniently connect in-line with
each port on your terminal server. 

All versions of the Model 51X support data rates of up to 230 kbps.

Harmful data line transients on the hub ports are diverted directly to
chassis ground through the use of a solid state hybrid circuit. The
Model 51X is able to handle repeated surges up to 1.5KW without a
degradation in performance.  Most importantly, the Model 51X protects
transparently and will not slow down your network applications.

Warning

—Should your equipment or building be subject to a direct

lightening strike, this product will not provide complete protection.

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