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Introducing the RS-232 to 422/485
The RS-232 to 422/485 Converter allows RS-232 line signal
to be directly converted to RS-422 or RS-485 standard.
Features and Benefits
•
Low cost
•
Easy install
•
Supported baud rate up to 115.2 K bps
•
15KV ESD protection
•
Supports half-duplex or full-duplex
System Requirements
Pentium
•
Windows
•
Package Contents
•
RS-232 to 422/485 Converter
•
DB9 to DB9 cable
•
Quick Installation Guide
Serial Number Sticker
For future product return or exchange, this serial number
is require. Please keep it for your reference.
04-0483A
RS-232 to 422/485 Converter
Quick Installation Guide
II or equivalent PC
®
2000 and above
®
1
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Table of Contents
Related Manuals for SIIG ID-SC0011-S1
Summary of Contents for SIIG ID-SC0011-S1
- Page 1 RS-232 to 422/485 Converter Quick Installation Guide Introducing the RS-232 to 422/485 The RS-232 to 422/485 Converter allows RS-232 line signal to be directly converted to RS-422 or RS-485 standard. Features and Benefits • Low cost • Easy install • Supported baud rate up to 115.2 K bps •...
- Page 2 Layout DC Jack input +5VDC RS422/485 Signal to Target Device Transiting indicate LED Note: Do not connect external DC-Jack and screw terminal DC input simultaneously. Hardware structure HALF FULL Figure 1: Layout Figure 2 RS232 signal from host...
- Page 3 Hardware Installation Connect the power source or use standard RS232 (TXD, RXD, DTR, DSR, CTS, RTS, GND) Note: Connect the power source only. Do not use the external DC-Jack and scress terminal input simultaneously. Connecting RS-232 to 422/485 Converter with host PC Connecting RS-232 to 422/485 Converter with RS485 serial device...
- Page 4 Connecting RS-232 to 422/485 Converter with RS422 serial device Figure 5 Loop back test Figure 6...
- Page 5 Terminal Resistor connection RS-232 to 422/485 Converter does not have a built-in terminal resistor, user may add external terminal resistor by following connection RS-485 Figure 7 Terminal Resistor specification 110 ohm: If distance between both end of RS485 devices in 1.2KM . 220 ohm: If distance between both end of RS485 devices in 600M .
- Page 6 RS-422 Figure 8 Terminal Resistor specification 110 ohm: If distance between both ends of RS422 devices in 1.2KM. 220 ohm: If distance between both ends of RS422 devices in 600M. 330 ohm: If distance between both ends of RS422 devices in 300M.
- Page 7 Step 1: Submit your RMA request. Go to www.siig.com, click Support, then RMA to submit a request to SIIG RMA. If the product is determined to be defective, an RMA number will be issued. Step 2: After obtaining an RMA number, ship the product.
- Page 8 6078 Stewart Avenue Fremont, CA 94538-3152, USA RS-232 to 422/485Converter is a trademark of SIIG, Inc. SIIG and the SIIG logo are registered trademarks of SIIG, Inc. Microsoft, Windows and Windows Vista are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Pentium is a registered trademark of Intel Corporation.
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