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3.0 CONFIGURATION
The Model 1040 is simple to install and is ruggedly designed for
excellent reliability: just set it and forget it. The following instructions
will help you set up and install the Model 1040 properly. If you have
any questions, don’t hesitate to call Patton Electronics Technical
Support at (301) 975-1007.
3.1 CONFIGURATION SWITCHES
The Model 1040 uses a unique set of sixteen external DIP
switches that allow configuration to an extremely wide range of
applications. These DIP switches are grouped into two eight-switch
sets and are externally accessible from the underside of the Model
1040 (see Figure 1). There is no need to open the Model 1040’s case
for configuration.
The configuration switches allow you to select data rates, clocking
methods, V.52 & V.54 tests, word lengths, extended signaling rates,
asynchronous or synchronous mode and 2- or 4-wire mode. The
drawings, text and tables on the following pages describe all switch
locations, positions and functions.
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 any questions or problems
arise during installation or use of this product, please do not hesitate to
contact Patton Electronics Technical Support at (301) 975-1007.
2.1 FEATURES
• Switch-selectable carrier control
• Synchronous or asynchronous operation
• No AC power or batteries required
• Data rates to 38.4 Kbps
• Distances to 12 miles (19.2 km)
• Point-to-point or multipoint operation
• Full or half duplex operation
• Internal, external or received loopback clocking
• V.54 loopback tests and V.52 compliant BER tests
• Automatic equalization
• Easy-to-read status LEDs
• Transformer isolation
• Silicon Avalanche Diode surge protection
2.2 DESCRIPTION
The Model 1040carrier controlled short range modem supports
synchronous and asynchronous data rates to 38.4 Kbps. Requiring no
AC power or batteries, the Model 1040 supports distances to 12 miles
over unconditioned twisted pair. The Model 1040 features front panel
LEDs, automatic equalization, V.52 compliant BER tests, both internal
and external clocking and V.54 loopback tests. Built-in transformer
isolation and surge protection provide protection against ground
potential differences and AC/DC over-voltages.
The Model 1040 is fully compatible with the Patton Model 1080A
and 1080ARC. This compatibility allows you to combine miniature,
standalone and rack mounted modems in a single system. In
synchronous mode, the Model 1040 is also compatible with the Models
1020, 1025 and 1030.
Housed in an ABS plastic case, the Model 1040 comes with either
a male or female DB-25 connector and a choice of interfaces (RJ-11
jack, RJ-45 jack or terminal blocks with strain relief).
3 4
Figure 1. The back of the Model 1040
SW1
SW2