Signal Processing Systems : Converters : Black Box - IC820A

Async RS232 to RS422/485 Interface Converter DB9 Terminal Block

Model: IC820A

Transmit data up to 115 kbps or at distances up 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

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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.

Transmit data up to 115 kbps or at distances up 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.

Shipping Height (with packaging): 2.25 in
Shipping Weight: 0.44 lbs
Shipping Width (with packaging): 6.25 in
Shipping Depth (with packaging): 9.75 in
Product Weight: 0.44 lbs

ic820a_20238.pdf 306862 kb - Instructions

Project List

IC821A
Async RS232 to RS422/485 Interface Converter DB9 Terminal Block

IC821A
Async RS232 to RS422/485 Interface Converter DB9 Terminal Block

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