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2 of 2

6/25/2007
#26669

724-746-5500

   blackbox.com

FEATURES

• Has one 20-mA transmit loop and one

20-mA receive loop.

• Both signals feature 1000-VDC opto-

isolation to protect against surges 
and ground loops.

• Both loops can be set as active or

passive. When set to active, an isolated
20-mA current is supplied to each loop.

• Top speed of 19.2 kbps.

DIN rail usage.

DIN rail is an industry-standard metal rail, usually installed

inside an electrical enclosure, which serves as a mount for
small electrical devices specially designed for use with DIN
rails. These devices snap right onto the rails, sometimes
requiring a set screw, and are then wired together.

Many different devices are available for mounting on DIN

rails: terminal blocks, interface converters, media converter
switches, repeaters, surge protectors, PLCs, fuses, or power
supplies, just to name a few. 

DIN rails are a space-saving way to accommodate

components. And because DIN rail devices are so easy to
install, replace, maintain, and inspect, this is an exceptionally
convenient system that has become very popular in recent
years. 

A standard DIN rail is 35 millimeters wide with raised-lip

edges, its dimensions outlined by the Deutsche Institut für
Normung, a German standardization body. Rails are generally
available in aluminum or steel and may be cut for installation.
Depending on the requirements of the mounted components,
the rail may need to be grounded.

Technically Speaking

TECH SPECS

Distance (Maximum) — 2000 ft. (609.6 m)
Isolation — 1000 VDC for 1 second
Operation — RS-232: Half- or full-duplex;

Current Loop: 20 mA, active or passive

Speed — Up to 19.2 kbps
CE Approval — Yes
Connectors — (2) 6-position terminal blocks
Indicators — (2) LEDs: Data flow direction
Operating Environment — Temperature: 32 to 176°F (0 to 80°C);

Humidity: Up to 95% noncondensing

Power — 10–30 VDC, 100 mA
Size — 0.9"H x 2.9"W x 3.9"D (2.3 x 7.4 x 9.9 cm)

Item

Code

RS-232

Current Loop DIN Rail Converter with Opto-Isolation

ICD101A

You may also need…

DIN Rail, 1-m (3.2-ft.)

DR100

DB25 to Terminal Block Adapter

IC980

DIN Rail RS-422/RS-485 Data Line Surge Protector

SPD001A

To power six converters, order…

DIN Rail 12-VDC Power Supply

PSD100

Recognize any of these situations?

• You wait more than 30 minutes to get through 

to a vendor’s tech support.

• The so-called “tech” can’t help you or gives you 

the wrong answer.

• You don’t have a purchase order number and the

tech refuses to help you.

• It’s 9 p.m. and you need help, but your vendor’s 

tech support line is closed.

According to a survey by Data Communications

magazine, 90% of network managers surveyed say
that getting the technical support they need is extremely
important when choosing a vendor. But even though
network managers pay anywhere from 10 to 20% of their
overall purchase price for a basic service and support
contract, the technical support and service they receive falls
far short of their expectations—and certainly isn’t worth
what they paid.

At Black Box, we guarantee the best value and the 

best support. You can even consult our Technical Support
Experts before you buy if you need help selecting just 
the right component for your application.

Don’t waste time and money— call Black Box today.

Why Buy From Black Box? Exceptional Value.
Exceptional Tech Support. Period.

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