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BB-232LPTTL33

研华BB-232LPTTL33 是一款ULI-227D3 RS-232（DB9母头）至3.3V TTL（DB9公头）转换器，端口供电，支持数据传输速率高达115.2 Kbps

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Ordering Information

Model	Part Number to Order	Description
ULI-227D5	BB-232LPTTL	RS-232 DB9F to 5V TTL DB9M Converter, 115.2kbps, Port-powered.
ULI-227D3	BB-232LPTTL33	RS-232 DB9F to 3.3V TTL DB9M Converter, 115.2kbps, Port-powered.
ULI-227TL	BB-232CL9R	RS-232 DB9F to 20mA Current Loop TB Converter, 19.2kbps, Port-powered or external PSU (sold separately).

Port-powered TTL & Current Loop Converters Comparison Table

Model Number	ULI-227D5	ULI-227D3	ULI-227TL
Part Number to Order	BB-232LPTTL	BB-232LPTTL33	BB-232CL9R
Description	Port-powered, RS-232 to TTL & Current Loop Converters
Key Features	RS-232 to 5 Vdc TTL	RS-232 to 3.3 Vdc TTL	RS-232 to 20 mA Current Loop
Industrial Rating	Light
RS-232 Connector	DB9 female
Conversion Signal Type	5 Vdc TTL (CMOS logic)	3.3 Vdc TTL (CMOS logic)	20 mA current loop
Connector Type	DB9 male		Terminal block
Data Rate, max.	115.2 kbps		19.2 kbps
Operating Temperature	0 to +70 °C
Power Source	Port-power (RS-232 handshake lines)		Port-power or external PSU
Power Input Voltage	–		External PSU: 12 Vdc
Power Connector	–		External PSU: terminal block
Power Consumption, max.	<40 mA
Enclosure	Plastic
Mounting Installation	In-line
Dimensions, mm	52.9 x 33.3 x 17.4		70.0 x 55.2 x 16.5
MTBF (MIL217F), hours	5833353	1674682	714354
Regulatory/Approvals/ Certifications	FCC Part 15, Class B Emissions, CE		FCC Part 15, Class A Emissions, CE
	2014/30/EU – Electro-magnetic Compatiblity (EMC) 2011/65/EU – amended by (EU) 2015/863 Reduction of Hazardous Substances (RoHS) 2012/19/EU – Waste Electrical and Electronic Equipment (WEEE)
	EN 55032 (Class B) – Electromagnetic Compatibility of Multimedia Equipment – Emission Requirements EN 55024 – Information Technology Equipment – Immunity Characteristics – Limits and Methods of Measurement		–

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