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研华BB-4WSD9OTB 是一款ULI-224TCL RS-232（DB9母头）至隔离式RS-422/485（接线端子）转换器,数据传输速率高达115.2 kbps,需要10至48 VDC外部电源（不包括，单独出售）
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Specifications
| Specifications | |
| Serial Technology | |
| Data Rate | 115.2 kbps, maximum |
| LED Indicators | TD, RD |
| RS-232 Connector | BB-4WSD9OTB: DB9 female
BB-4WSD25OTB: DB25 female |
| RS-232 Signals | TD, RD, GND |
| RS-422/485 Connector | BB-4WSD9OTB: Terminal block, removable
BB-4WSD25OTB: Terminal block, removable |
| RS-485, 2-wire | Data A(-), Data B (+), GND |
| RS-422/485, 4-wire | TDA(-), TDB(+), RDA (-), RDB(+), GND |
| Power | |
| Input Required | 10-48 VDC input
(power supply required, not included, sold separately) |
| Current Draw | 28 mA at 12 VDC (typical) |
| Mechanical | |
| Dimensions | BB-4WSD9OTB: 9.8 x 4.3 x 2.3 cm (3.9 x 1.7 x 0.9 in)
BB-4WSD25OTB: 9.8 x 5.5 x 2.3 cm (3.9 x 2.2 x 0.9 in) |
| Environmental | |
| Operating Temperature | 0 to +70 °C (+32 to +158 °F) |
| Storage Temperature | -40 to +85 °C (-40 to +185 °F) |
| Meantime Between Failures (MTBF) | |
| MTBF | 179604 hours |
| MTBF Calculation Method | MIL 217F Parts Count Reliability Prediction |
| Regulatory – Approvals / Standards / Directives | |
| Approvals | FCC, CE |
|
CE Directives |
2014/30/EU - Electromagnetic Compatibility
2011/65/EU amended by (EU) 2015/863 Reduction of Hazardous Substances (RoHS) 2012/19/EU - Waste Electrical and Electronic Equipment (WEEE) |
|
CE Standards |
EMC:
EN 55032 Class B - Electromagnetic Compatibility of Multimedia Equipment - Emission Requirements EN 55024 - Information Technology Equipment - Immunity Characteristics - Limits and Methods of Measurement |
|
Other |
EN 61000-6-3 + A1 - Generic Emission Standard for Residential, Commercial and Light-industrial Environments (Class B)
EN 61000-6-1 - Generic Immunity Standard for Residential, Commercial and Light-industrial Environments |
Ordering Information
| Model No. | RS-232 Connector | RS-485 Connector |
| BB-4WSD9OTB | DB9 Female | Removable Terminal Block |
| BB-4WSD25OTB | DB25 Female | Removable Terminal Block |
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