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1.0  WARRANTY INFORMATION 

Patton Electronics warrants all Model 1025 components to be

free from defects, and will—at our option—repair or replace the prod-
uct 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 modifi-
cation.  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 consequen-
tial 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  RADIO AND TV INTERFERENCE

The Model 1025 generates and uses radio frequency energy, and

if not installed and used properly—that is, in strict accordance with the
manufacturer’s instructions—may cause interference to radio and tele-
vision reception.  The Model 1025 has been tested and found to com-
ply with the limits for a Class A computing device in accordance with
the specifications in Subpart J of Part 15 of FCC rules, which are
designed to provide reasonable protection from such interference in a
commercial installation.  However, there is no guarantee that interfer-
ence will not occur in a particular installation.  If the Model 1025 does
cause interference to radio or television reception, which can be deter-
mined by disconnecting the RS-232 interface, the user is encouraged
to try to correct the interference by one or more of the following mea-
sures:  moving the computing equipment away from the receiver, re-
orienting the receiving antenna and/or plugging the receiving equip-
ment into a different AC outlet (such that the computing equipment and
receiver are on different branches).

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
Services.

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1.3  SERVICE

All warranty and nonwarranty repairs must be returned freight pre-

paid and insured to Patton Electronics.  All returns must have a Return
Materials Authorization number on the outside of the shipping contain-
er. This number may be obtained from Patton Electronics Technical
Services at:

telephone:  (301) 975-1007
email:  [email protected]
web address: http://www.patton.com

NOTE: Packages received without an RMA number will not be
accepted.  

Patton Electronics' technical staff is also available to answer any

questions that might arise concerning the installation or use of your
Patton Model 1025.  Technical Service hours:  8AM to 5PM EST,
Monday through Friday.

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Summary of Contents for 1025

Page 1: ...1025S Synchronous Short Range Modem with Clocking Options SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com Part 07M1025 C Doc 041012UC Revised 4 20 98 C E R T I F I E D An...

Page 2: ...d to provide reasonable protection from such interference in a commercial installation However there is no guarantee that interfer ence will not occur in a particular installation If the Model 1025 do...

Page 3: ...ioned twisted pair Customized VLSI chip with separate filter for each data rate No AC power or batteries required Miniature size Silicon Avalanche Diode surge protection Model 1025S 2 2 DESCRIPTION Th...

Page 4: ...d by the host terminal the Model 1025 raises CTS after a delay in order to give the remote termi nal time to receive an incoming signal Depending on the type of envi ronment either a 7mS or 53mS delay...

Page 5: ...RS 232 interfaces and how to operate the Model 1025 4 1 CONNECTION TO THE TWISTED PAIR INTERFACE The Model 1025 supports data only communication between two RS 232 devices at distances to 11 miles an...

Page 6: ...nsitive so either wire may connect to either pole 5 Connect the other pair of wires to the two RCV receive poles on the terminal block The Model 1025 is not polarity sensi tive so either wire may conn...

Page 7: ...one captive screw through a saddle washer Then insert the entire piece through the hole in the DB 25 end of the case Snap that side of the case closed Repeat the process for the other side This compl...

Page 8: ...r If you need to connect the Model 1025 to another DCE device you must use a null modem cable wired according to diagram below We recom mend that the cable is as short as possible preferably 6 feet or...

Page 9: ...Model 1025 4 RTS Request to Send To Model 1025 5 CTS Clear to Send From Model 1025 6 DSR Data Set Ready From Model 1025 7 SG Signal Ground 8 DCD Data Carrier Detect From Model 1025 To Model 1025 Data...

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