General Description:
The RS422S is a fast Async bi-directional RS232 to RS422 interface converter
that will operate at data rates up to 115.2Kbps. The unit has jumpers termination,
RS232 DTE/DCE selection and, TTL/CMOS operation. The unit has two RJ11/12 connectors
an a pin header for power, common TTL/CMOS TX data and RX data.
The RS422S is designed for office and/or indoor applications (non-isolated).
A pair of units and a 6-conductor reversing "telephone style" cable can be used
to form an RS232 "extension cord" for extended operation beyond the RS232 specification.
Need something special? Please contact us. We have additional isolated and non-isolated converters, repeaters, and repeater hubs. Units are generally stock to 2-3 business days for shipment. We design and manufacturer our entire product line, and offer technical support for our units, and can offer system recommendations for your application. Please give us a call: 513-874-4796
Related Files:
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Converter schematic Rev B |
Physical Properties and Features:
RS232: |
3-wire interface to RJ11/12 Connector
(TX, RX, Common) |
RS422: |
RJ11/12 connector (TX pair, and
RX pair) |
Power: |
2.1mm center positive "Barrel" connector
(9VDC)), linear regulator |
LEDs |
None |
Bias: |
Light bias network for Receiver |
Termination: |
120 Ohm (jumper selectable) |
Special: |
Pin header for TTL/CMOS operation |
Protection: |
None |
Specifications:
Distance: |
RS422 up to 4000 ft. (1250 meters) |
Operation: |
Full-duplex |
Format: |
Asynchronous with any combination of bits, parity and stop |
Speed: |
Up to 115.2Kbps |
Temperarure: |
0-65C (32-150F) ambient |
Humidity: |
10-90% non-condensing |
Voltage: |
8-12VDC or 5VDC |
Power: |
Under 1/2 Watt (typical) + external load |
Size: |
2.50" X 2.00" X 0.9" (PC Board) |
Mounting: |
4-Holes 2.00" X 1.50" (built-in standoffs for #6 hardware) |
Options and Ordering Information:
RS422S: |
$39.00 ea. (Circuit board only) |
Enclosure: |
$8.00 ea. (Small) |
Cable: |
$7.50 ea. (RS232, 7 ft., Specify DB9F-7 or DB25F-7) |
Supply: |
$8.50 ea. (12VDC @ 200/300 mA wall power supply) |
*RS422S with all options (DB9F cable): RS422S-B9FPS
@ $63.00 ea. (Qty. 1-9) |
Need a different configuration or more information? Give Ron a Call at 513-874-4796 or 513-638-0228(Cell)
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