Advantech B+B SmartWorx, 707 Dayton Road, PO Box 1040 Ottawa, IL 61350 USA

(800)346-3119/Toll Free | orders@advantech-bb.com | support@advantech-bb.com

SPECIFICATIONS

SERIAL TECHNOLOGY

Data Rate

115.2 kbps maximum

RS-422

Connector DB25 female

Signals

(EIA-530 pinout)

TDA(-), TDB(+), RDA(-), RDB(+), RTS A(-), RTS B(+),

CTS A(-), CTS B(+)

TTL

Connector DB25 male

Signals TD, RD, RTS, CTS

VDC Level

5 V

POLARITY (VOLTS)

TTL Input

V(A) - V(B)

High Negative

Low Positive

TTL Output

RS-422 / EIA-530 Input

High Negative

Low Positive

POWER

Source

External (2.5 mm positive tip) (sold separately)

Input Voltage

12 VDC (<100 mA)

Output Voltage

(transceiver)

Logic: -0.5V to (VCC+0.5V), max.

MECHANICAL

Dimensions

5.4 x 5.1 x 1.6 cm (2.1 x 2.02 x 0.62 in)

MEANTIME BETWEEN FAILURES (MTBF)

MTBF

1539882 hours

MTBF Calc. Method

MIL 217F Parts Count Reliability Prediction

ENVIRONMENTAL

Operating

Temperature

0 to +70 °C (+32 to +158 °F)

Storage Temperature -40 to +85 °C (-40 to +185 °F)

REGULATORY / APPROVALS / CERTIFICATIONS

FCC Part 15

CE - Directives

2014/30/EU – Electromagnetic Compatibility (EMC)

2011/65/EU – Amended by (EU) 2015/863 Reduction of

Hazardous Substances (RoHS)

2012/19/EU – Waste Electrical and Electronic Equipment (WEEE)

CE - Standards

EN 55032: Class B – Electromagnetic Compatibility of Multimedia

Equipment – Emission requirements

EN 55024 – Information Technology Equipment – Immunity

Characteristics – Limits and Methods of Measurement

TTL to RS-422 Converter

Model BB-422TTL

SCHEMATIC