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Black Box Async RS232 to RS422/485 Interface Converter - DB9 to Terminal Block (IC820A)

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  • Enables you to select RS-485 2-wire half-duplex or RS-485 4-wire full-duplex operation.
  • Selectable RS-422 operation with transmit and receive always enabled.
  • Automatic RS-485 driver control, so it works without any special programming for handshaking signals. Also enables transmitter from RS-232 TD signal and receiver when not transmitting.
  • Built-in bridging switches for 2- or 4-wire operation with no external jumpers to set.
  • Set operating mode with four switches.
  • Converts using either port power or power from an external 120-VAC/12-VDC power supply (sold separately).
  • No external power is required if two RS-232 output handshake lines are available.
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Specs
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Learn more about the Black Box Corporation IC820A

Model
Brand Black Box
Series Async
Model IC820A
Part Number IC820A
Converter Type Async RS232 to RS422/485 Interface Converter
Performance
Color Black
Connection
Other Connector (1) DB9 (Female); (1) Terminal Block
Power
Power Supply Barrel Connection from Power Supply sold separately or Interface
Specification
Specification 5 Years Double Diamond™ Warranty (Standard)
Feature
Feature Transmit data up to 115 kbps or at distancesup to 4000 ft.
Operates in point to point or multipoint applications
Operates 2-wire half-duplex or 4-wire half- or full-duplex.
async (data leads) only.
Up to 32 RS485 devices can be attached to create a large multi-drop network
The RS485 driver is automatically enabled during each spacing state on the RS232 side.
Additional Information
First Listed on Newegg February 06, 2023

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

  • Return for refund within: 30 days
  • Returns are subject to restocking fees and return shipping fees. Please click here to learn more about restocking fees and return shipping fees.
  • This item is covered by Newegg.com's International Order Return Policy. Read full return policy for details.
  • *Subject to applicable law

  • Warranty Notice:

    This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.

Manufacturer Contact Info

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