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Isolated USB to RS-422/485

Converters

USOPTL4DR-xx

MECHANICAL DIAGRAM

SPECIFICATIONS

SERIAL TECHNOLOGY

RS-485 2-Wire

Data A(-), Data B(+), Ground

RS-485 4-Wire

TDA(-), TDB(+), RDA(-), RDB(+), Ground

Connector

Removable terminal block, 12 to 28 AWG

Data Rate

Up to 921.6 Kbps

Isolation

3000 V optical isolation

Surge Protection

15 KV ESD

USB TECHNOLOGY

USB Compatibility

2.0 (backward compatible)

USB Data Rate

12 Mbps

Connector

Type B female, high retention

(15 Newtons / 3.4 lbs-force withdrawal)

Driver CD

Windows 2000, XP, Vista, 7 (32/64 bit), 8 (32/64 bit)

POWER

Source

USB port

Input Voltage

5 VDC

Consumption

~2.5 W (high power device, draws >500 mA

MECHANICAL

Dimensions

9.7 x 11.9 x 3.1 cm (3.8 x 4.7 x 1.2 in)

Enclosure

DIN rail mountable, plastic

Weight

222.3 g (0.49 lbs) with USB cable

ENVIRONMENTAL

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

MTBF USOPTL4DR

184,556 hours

MTBF USOPTL4DR-2

79,551 hours

MTBF Calc. Method

Parts Count Reliability Prediction

APPROVALS / CERTIFICATIONS

Emissions FCC Class B, CISPR Class B (EN55022)

CE

EN 61000-6-1

Generic Standards for Residential, Commercial and

Light-Industrial Environments

EN 61000-4-2

Electro-Static Discharge (ESD)

EN 61000-4-3

+A1 +A2 +IS1 Radiated Field Immunity (RFI)

EN 61000-4-4

Electrical Fast Transients-Burst Immunity (EFT)

EN 61000-4-6

Conducted Immunity

INFORMATION – FCC RULES

This device complies with Part 15 of the FCC rules. Operation is subject to the following

two conditions:

(1) This device may not cause harmful interference.

(2) This device must accept any interference that may cause undesired operation.

1

2

3

4

ON

9.7 cm

3.8 in

11.9 cm

4.7 in

3.1 cm

1.2 in

TB POSITION

LABEL

FUNCTION

A

T-

TDA(-)

B

T+

TDB(+)

C

R-

RDA(-)

D

R+

RDA(+)

E

G

Ground

TERMINAL BLOCK

The terminal block layout is top to bottom (as viewed

from a DIN rail installation). The signal names on the front

label are only visible when the terminal block is removed.

The USOPTL4DR-2 has two terminal blocks. In both

configurations, the TB layout is the same.