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$349.99
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Black Box Async RS232 to RS422/485 Interface Converter - DB9 to Terminal Block (IC820A)
- 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
| Brand | Black Box |
|---|---|
| Series | Async |
| Model | IC820A |
| Part Number | IC820A |
| Converter Type | Async RS232 to RS422/485 Interface Converter |
| Color | Black |
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| Other Connector | (1) DB9 (Female); (1) Terminal Block |
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| Power Supply | Barrel Connection from Power Supply sold separately or Interface |
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| Specification | 5 Years Double Diamond™ Warranty (Standard) |
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| 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. |
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| First Listed on Newegg | March 17, 2026 |
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Hot Deals 4 Less Return Policy
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