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VScom SER-485 Lite
(Replaced by SER-485 ISO and SER-485 Mini ISO)

bidirectional Converter RS232 to 422/485

VScom SER-485 Lite
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The SER-485 Lite is a cost effective adapter to convert bidirectional signals from RS232 to RS422 and RS485. In RS485 mode the data direction is managed by the bitrate adaptive function of ART (Automatic Receive Transmit control). ART analyzes the data in real-time, and adapts to the setup of the RS232 port.
With SER-485 Lite standard operation modes are selected by simple DIP switches. The full versatility is controlled by a built-in software configuration menu, which is accessed via terminal programs. The behaviour of RS422 and various options of RS485 are selected by an easy-to-use menu structure.
The internal termination and BIAS (polarization) resistors allow to prepare the RS485 signals for connection to customers networks.

  • Converts RS232 <=> RS422/485
  • RS485 bitrate adaptive ART (Automatic Receive Transmit control)
  • LED indicator for Power and signals
  • Internal Termination and BIAS
  • RS422 with Hardware handshake
  • Software Configuration menu for parameters, quick configuration for standard modes
  • DIN-Rail mountable

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Hardware Specifications
DTE/DCE selectable, optional power over special pin
Automatic Receive Transmit control (ART)
Baudrate adaption in real time
  Line adjust
Built-in Termination and Polarization (BIAS) resistors
  Operation Modes
RS422 with hardware handshake
RS485 by ART, RTS or DTR
RS485 Half- and Full-Duplex
Two basic modes selected by DIP switch
max. 1200 m
max. 1Mbps
max. 250kbps with ART
RS232 1x DB9 female
RS485/RS422 1 x DB9 male plus Terminal Block (5 c-clamps)
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Software Configuration
  Configuration Menu
Various parameters of signal conversion are defined via an easy-to-use menu interface, access is via standard terminal programs (Hyperterminal, miniterm, ...)
  Operation Modes
RS485 by RTS
RS485 by DTR
RS485 by ART (Automatic Receive Transmit control)
  ART options RS485
Transmit/Receive change as quick, average, standard
RS422 (4-wire)
RS485 Full Duplex (4-wire)
RS485 Half Duplex (2-wire) with Echo
RS485 Half Duplex (2-wire) no Echo
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Power and Environment
  Power requirements
5V DC, 400mW
  Power supply Adapter
5V, 500mA
56×73×23 mm³ (W×L×H)
  Operating Temp
0°C - 60°C
  Storage Temp
-20°C - 85°C
SECC sheet metal (1mm)
100 g
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Ordering Information
  Part Number
  Product Name
VScom SER-485 Lite
  Packing list
VScom Converter SER-485 Lite
Power Supply
English Documentation
DIN-Rail mounting clamp
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You can purchase VSCOM's products easily from a wide variety of leading technology distributors or partners. Please call us or contact us by mail to find the best ordering method for your needs.
  * Specifications are subject to change without notice.
  * All the trademarks and brands are property of their rightful owners.

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