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Product Data Sheet: BAUDMASTERTM  - Isolated Serial Converter

Find out more about BAUDMASTER at BAUDMASTER.com
(includes application drawings)

Converts

RS-232 to RS-422 and RS-485
RS-422 to RS-232 and RS-485
RS-485 to RS-232 and RS-422

Isolates and Protects

BAUDMASTERTM eliminates ground loops that destroy computer ports and reduce serial communication reliability. Provides 1200 volts isolation between a computer and equipment, using optical and transformer technology. All communication lines are transient protected.

duTec BAUDMASTER

No jumpers or switches

BAUDMASTERTM automatically adapts to rates up to 115K baud and varying word length. There are no switches or jumpers to set.

Painless RS-485

BAUDMASTERTM automatically controls RS-485 transmitters eliminating the need for software handling. The advanced technology which makes this possible is covered by US Patent 5,729,547 and virtually guarantees that RS-485 networks will work the first time.

Extends range to 4,000 feet

BAUDMASTERTM, operating as a range extender, allows networks to grow in 4,000 foot increments. When used in pairs, BAUDMASTERTMS become RS-232 short haul modems.

RS-422/485 Y Networks

Where continuous RS-422/485 networks are not feasible, BAUDMASTERTM provides the means to implement Y networks.

Trouble-shooting tool

Transmit and receive LEDs on both the equipment and line sides of the BAUDMASTERTM confirm that data transmission and reception are occurring. When used with a notebook computer, live RS-422/485 traffic can be monitored. Now you can see what is happening on these communication lines.

9-24 volt ac/dc powered

BAUDMASTERTM uses any 9-24 volt, ac or dc power source. Wall-plug adapters are available from duTec or others. Screw terminals are also provided for use with other power supplies.

Specifications

Isolation: 1200V, Equipment -to- Line -to- Power Connections Equipment Side RS-232 DB9F
Baud Rates: Up to 115K baud RS-422/485 #16 screw terminals
Range: 4,000 feet (1220 meters) @ 38.4 Kbaud RS-422/485 #16 screw terminals with
24 AWG twisted pair
Line Side RS-422/485 #16 screw terminals
Drive: Up to 32 RS-422/485 receivers Termination resistors Not included
Compliance: CE, FCC Class A Biasing resistors 10 Kohms
Power: 9 - 24 Vac/dc @ 170mA nominal Power Wall-plug adapter Power Jack, 0.1" dia
Enclosure: Stainless Steel; weight 11 Oz (308 gms)
3" h x 5" w x 1" d       76 mm x 127 mm x 25 mm
Direct #16 screw terminals
Indicators Power Red LED
Line Side Rx, Tx Red LEDs
Equipment Side Rx, Tx Red LEDs

Ordering/Pricing Information

Item Part Number Price Item Part Number Price
BAUDMASTERTM BM-100 $165.00 Wall-plug Adapter, 120 Vac1 BM-PS120 $15.00
BAUDMASTERTM CE1 BM-100CE $175.00 Wall-plug Adapter, 220 Vac1 BM-PS220 $30.00

1 Includes snap-on EMI limiting Ferrite that must be attached to dc power leads from BM-PS120 or BM-PS220 power supplies to meet CE requirements.


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