B+B SmartWorx RS-232 to RS-485 Converter
The 485TBLED converts unbalanced, full-duplex RS-232 signals to balanced, full or half-duplex RS-422 or RS-485 signals. RS-485 is an enhanced version of the RS-422 Standard. It allows multiple drivers and receivers on a two-wire or four-wire system. The RS-232 port, configured as a DCE port, has a female DB25 connector with pins 2 (TD input), 3 (RD output), and 7 (Signal Ground) supported. Pins 4 (RTS) and 5 (CTS) are tied together, and pins 6 (DSR), 8 (CD), and 20 (DTR) are also tied together. Pins 1 (Frame Ground) and 7 (Signal Ground) are connected straight through to the RS-485 terminal blocks. The RS-485 terminal blocks support Transmit Data (A-) and (B+), Receive Data (A-) and (B+), Frame Ground, Signal Ground, and +12 VDC input. See Schematic. |
| Adapter Type: | Serial |
| Connector Type on First End: | DB-25 RS-232 Serial - Female |
| Connector on First End Details: | 1 x 25-pin DB-25 RS-232 Serial Female |
| Connector Type on Second End: | Terminal Block RS-485 Serial |
| Connector on Second End Details: | 1 x Terminal Block RS-485 Serial |
| Certifications & Standards: |
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| Limited Warranty: | Lifetime |
- This item cannot be shipped to PO Boxes.
- This item can be shipped only within the U.S.
Special Order Item
This item ships directly from the manufacturer and is not stocked in our warehouse. If stock is available at the manufacturer, the item will ship directly to you, usually within 7 - 15 business days.
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We will contact you by email if the item is sold out or backordered (and we were unable to update the site before you placed the order) or if the item will be delayed longer than expected.
We have no control over the speed of the manufacturer's order processing, or whether they will honor your request to ship the item by any particular method.
- UPC: 835788113822
- Mfr's Part #: BB-485TBLED


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