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研华BB-485COSR 是一款串口转换器，RS-232 DB25母头到RS-485 DB25公头,支持数据传输速率高达115.2 Kbps，需要12 Vdc电源（不包括在内，单独出售）
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Specifications
| Serial Technology | |
| Data Rate | 115.2 Kbps, maximum |
| RS-232 Connector | DB25 female |
| RS-422 Connector | DB25 male |
| Signals | Converts RS-232 to RS-485 |
| Operation | 2-wire half-duplex or 4-wire full-duplex |
| Biasing Resistors | 4.7 Ohms |
| Termination | None |
| Power | |
| Source / Requirement | 12 Vdc, external power supply (required, not included, sold separately) |
| Mechanical | |
| Dimensions | 5.4 x 6.2 x 1.5 cm (2.1 x 2.4 x 0.6 in) |
| Environmental | |
| Operating Temperature | 0 to +70 °C (+32 to +158 °F) |
| Storage Temperature | -40 to +85 °C (-40 to +185 °F) |
| Operating Humidity | 0-95%, non-condensing |
| Regulatory – Approvals / Standards / Directives | |
| FCC, CE | |
|
CE – Directives |
2014/30/EU – Electromagnetic Compatibility Directive (ECD)
2011-65/EU – Amended by (EU) 2015/863 Reduction of Hazardous Substances Directive (RoHS) 2012/19/EU – Waste Electrical and Electronic Equipment (WEEE) |
|
CE – Standards |
EN 55032 Class B – Electromagnetic Compatibility of Multimedia Equipment – Emission Requirments
EN 55024 - Information Technology Equipment - Immuity Characteristics – Limits and Methods of Measurement |
|
Other Standards |
EN 61000-6-3 + A1 – Generic Emission Standard for Residential, Commercial and Light-industrial Environments (Class B)
EN 61000-6-2 – Generic Immunity Standard for Industrial Environments |
Ordering Information
| Model No. | RS-232 | RS-485 | Output |
| BB-485COSR | DB25 Female | DB25 Male | RS-485 4-wire full-duplex or RS-485 2-wire half-duplex |
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