BB-232LPTTL Port-powered TTL /RS-232 BB-232LPTTL33 4-channel Converters Features Converts 2 channels in each direction from TTL (Transistor Transistor Logic) to RS-232 Baud rates up to 115.2 kbps Powered from RS-232 data/handshake lines - no power supply required 5and 3.3TTL options BB-232LPTTL Introduction Ordering Information These four channel TTL/CMOS converters make easy connections between TTL Model No. RS-232 Connector TTL Connector TTL Vdc equipment and RS-232 ports and operate at data rates up to 115.2 kbps. Use these converters with almost any micro-controller or programmable logic controller (PLC) that BB-232LPTTL DB9 Female DB9 Male 5 V supports TTL. BB-232LPTTL33 DB9 Female DB9 Male 3.3 V Model BB-232LPTTL converts RS-232 to 5 Vdc TTL/CMOS compatible levels. Model BB-232LPTTL33 converts RS-232 to 3.3 Vdc TTL/CMOS compatible levels. Accessories Sold Separately BB-9PAMF6 Serial cable, DB9 male to DB9 female, 1.8 m (6 ft) The models convert two channels (TX and RX) in each direction (bi-directional) from BB-MMNM9 Null modem adapter, DB9 male / DB9 male RS-232 to TTL/CMOS signals. And two channels are used to convert from TTL/CMOS to RS-232 signals. The converters support TD, RD, RTS, and CTS. The RS-232 side is a DB9S female connector The TTL/CMOS side is a DB9P male connector. Both models are powered from the RS-232 data and handshake lines by signals on pins 7(RTS), 4 (DTR), and 3(TD). These lines can be either high or low, but must be present to power the converter. Pin 5 is Signal Ground for both connectors. NOTE: It is important that TTL/CMOS logic, and only TTL/CMOS logic (0 to +5 Vdc for the BB- 232LPTTL, and 0 to +3.3 Vdc for the BB-232LPTTL33) is used for the TTL/CMOS side of the converter. The maximum sinking current for one TTL/CMOS output is 3.2 mA. The maximum source current for one TTL/CMOS is 1 mA. Signal levels are inverted by the converters. Please refer to the table. BB-USOPTL4-2P BB-USOPTL4-4P 0221ds All product specifications are subject to change without notice. BB-232LPTTL BB-232LPTTL33 3121dsBB-232LPTTL BB-232LPTTL33 BB-232LPTTL33 Specifications Environmental Serial / TTL Technology Operating Temperature 0 to +70 C (+32 to +158 F) RS-232 Connector DB9 female RS-232 Signals TD, RD, RTS, CTS Storage Temperature -40 to +85 C (-40 to +185 F) TTL Connector DB9 male Operating Humidity 0 to 95%, non-condensing TTL Signals 2 Input/2 Output channels, GND Regulatory Approvals / Standards / Directives TTL Logic CMOS FCC Part 15, Class B Emissions, CE, UKCA BB-232LPTTL: 5V 2014/30/EU Electromagnetic Compatiblity Vdc Level BB-232LPTTL33: 3.3V 2011/65/EU amended by (EU) 2015/863 Reduction of Data Rate 115.2 kbps, maximum CE - Directives Hazardous Substances (RoHS) Power 2012/19/EU Waste Electrical and Electronic Equipment (WEEE) Source Port-powered from RS-232 data/handshake lines EN 55032 (Class B) Electromagnetic Compatibility of Power Consumption <40 mA Multimedia Equipment - Emission Requirements Mechanical CE - Standards EN 55024 - Information Technology Equipment Immunity Dimensions 5.29 x 3.33 x 1.74 cm (2.08 x 1.31 x 0.66 in) Characteristics Limits and Methods of Measurement Enclosure Plastic, In-line Weight 36.2 g (0.08 lb) Meantime Between Failures (MTBF) BB-232LPTTL: 5833353 MTBF BB-232LPTTL-33: 1674682 Calculation Method Parts Count Reliability Prediction Pin-outs Dimensions BB-232LPTTL, BB-232LPTTL33 RS-232 DB9S Female Function TTL/CMOS DB9P Male 3 (Input) TD 3 (Output) 2 (Output) RD 2 (Input) 1.74 cm 7 (Input) RTS 7 (Output) 0.66 in 8 (Output) CTS 8 (Input) 5 (Signal Gnd) GND 5 (Signal Ground) Polarity 5 Vdc TTL/CMOS Input 3.3 Vdc TTL/CMOS Input RS-232 Output Low (<0.8 V) Low (<0.8 V) +5.0, minimum 3.33 cm +9.0, typical 1.31 in High (>2.0 V) High (>2.0 V) -5.0, minimum +9.0, typical 5 Vdc TTL/CMOS Output 3.3 Vdc TTL/CMOS Output RS-232 Input +3.45, minimum +2.4, minimum Low ( 0.2 V) +4.6, typical +3.0, typical 5.29 cm 2.08 in +0.55, maximum +0.55, maximum High (>2.4 V) +0.1, typical +0.1, typical