Port powered ttl/rs-232 converters – B&B Electronics 232TTL - Datasheet User Manual
Page 2

International Office: 707 Dayton Road PO Box 1040 Ottawa, IL 61350 USA 815-433-5100 Fax 433-5104
European Office: Westlink Commercial Park Oranmore Co. Galway Ireland +353 91 792444 Fax +353 91 792445
port powered ttL/rS-232
Converters
232TTL, 232OTTL
SpeCiFiCationS
serial teChnology
Data Rate
232TTL: 115.2 kbps maximum
232OTTL: 38.4 kbps maximum
rs-232
Connector 232TTL: DB25 male (DCE)
232OTTL: DB25 female (DCE)
Signals TD, RD, RTS, CTS, GND
ttl
Connector 232TTL: DB25 female
232OTTL: DB25 male
Signals 2 Input/2 Output Channels, GND
Logic
CMOS
VDC Level
5V
isolation
Isolation
2,000 V optical
Power
232TTL Source
232TTL: External +12VDC power supply on 2.5mm
jack for pins 25 (+) and 12 (-) on TTL DB25
232OTTL Source
RS-232: port-powered from RS-232 handshake lines
TTL: requires +12 VDC external power supply
Input Voltage
12 VDC (<100 mA)
MeChaniCal
Dimensions,
232TTL: 5.4 x 5.6 x 1.7 cm (2.1 x 2.2 x 0.7 in)
232OTTL: 7.8 x 5.4 x 2.1 cm (3.1 x 2.1 x 0.8 in)
Enclosure
232TTL: GE LEXAN POLYCARBONATE GRADE 920
232OTTL: Plastic, ABS - Inline
Weight
.011 lbs (49.9 g)
MTBF
232TTL: 1367614
232OTTL: 517206
MTBF Calc. Method
Parts Count Reliability Prediction
environMen tal
Operating Temperature
0 to +70 °C (+32 to +158 °F)
Storage Temperature
-40 to +85 °C (-40 to +185 °F)
Operating Humidity
0 to 95% Non-Condensing
aPProvals / CertiFiCations - 232ttl
FCC Part 15, CISPR, EN 55022: 2010 + AC:2011 Class A Emissions
CE
EN 61000-6-1: 2007 Generic Standards for Residential, Commercial and Light-
Industrial Environments
EN 61000-4-2: 2009 Electro-Static Discharge (ESD)
EN 61000-4-3: 2006 +A1 +A2 +IS1 Radiated Field Immunity (RFI)
EN 61000-4-4: 2012 Electrical Fast Transients-Burst Immunity (EFT)
EN 61000-4-6: 2009 Conducted Immunity
Download complete Declaration of Conformity at www.bb.elec.com
aPProvals / CertiFiCations - 232ottl
FCC Part 15, CISPR, EN 55022: 2010 + AC:2011 Class A Emissions
CE
Download complete Declaration of Conformity at www.bb.elec.com
meChaniCaL Diagram
5.13 cm
2.02 in
5.44 cm
2.14 in
1.57 cm
0.62 in