BB-232LPTTL

BB-232LPTTL BB-232LPTTL33 Port-powered TTL /RS-232 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 These four channel TTL/CMOS converters make easy connections between TTL 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 supports TTL. 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. The models convert two channels (TX and RX) in each direction (bi-directional) from RS-232 to TTL/CMOS signals. And two channels are used to convert from TTL/CMOS to RS-232 signals. Ordering Information Model No. RS-232 Connector TTL Connector TTL Vdc BB-232LPTTL DB9 Female DB9 Male 5V BB-232LPTTL33 DB9 Female DB9 Male 3.3 V Accessories – Sold Separately BB-9PAMF6 – Serial cable, DB9 male to DB9 female, 1.8 m (6 ft) BB-MMNM9 – Null modem adapter, DB9 male / DB9 male 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 BB232LPTTL, 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. All product specifications are subject to change without notice. BB-USOPTL4-2P_BB-USOPTL4-4P_0221ds BB-232LPTTL_BB-232LPTTL33_3121ds BB-232LPTTL BB-232LPTTL33 BB-232LPTTL33 Specifications Serial / TTL Technology RS-232 Connector DB9 female RS-232 Signals TD, RD, RTS, CTS TTL Connector DB9 male TTL Signals 2 Input/2 Output channels, GND TTL Logic CMOS BB-232LPTTL: 5V Vdc Level BB-232LPTTL33: 3.3V Data Rate 115.2 kbps, maximum Power Source Port-powered from RS-232 data/handshake lines Power Consumption 2.4 V) 3.33 cm 1.31 in 5.29 cm 2.08 in