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CommFront offers
a range of high-quality, industrial-grade, port or
externally-powered
RS232 isolators and opto-isolated USB RS232 / RS485 / RS422
converters / repeaters / hubs / splitters. These plug-and-play products operate within a
wide temperature range (-40ºF
to 185ºF / -40ºC to 85ºC),
feature 600W surge protection and 15kV static protection,
and come with built-in 120 Ohm terminators for easy
installation. Whether your environment is commercial or
industrial, "clean" or "noisy"*, our isolator and converter
products provide safe, easy, and cost-effective solutions
for your data-conversion applications.
* A "noisy" environment
is an area
surrounded by ground loops, transient surges
and spikes, which could potentially harm your expensive
equipment such as computers and data communication
devices.
The CommFront opto-isolated converters and isolators provide
simple and effective ways to protect your devices from such
potential harms. |
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OPTO-ISOLATED CONVERTER
SELECTION TABLE
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Part
Number |
Description |
Price |
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CVT-232A-3 |
RS232 Isolator
(3-wire)
(3-wire/Isolated/Industrial/Port-powered/300 to 38.4K
Baud) |
$49.95
Order |
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CVT-232B-3 |
RS232 Isolator
(7-wire)
(7-wire/Isolated/Industrial/Port-powered/300 to 19.2K
Baud) |
$59.95
Order |
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CVT-485-3 |
RS232 <=> 2-wire RS485
Converter
(Opto-isolated/Industrial/Port-powered/1.2 to 57.6K Baud) |
$74.95
Order |
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CVT-422-3 |
RS232 <=> 4-wire
RS422 Converter
(Opto-isolated/Industrial/Port-powered/1.2 to 38.4K Baud) |
$74.95
Order |
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CVT-485_422-3 |
RS232 <=> 2-wire RS485 or
4-wire RS422 Converter
(Opto-isolated/Industrial/Port-powered/1.2 to 38.4K Baud) |
$79.95
Order |
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CVT-485_422-4 |
RS232 <=> 2-wire RS485 or
4-wire RS422 Converter
(Isolated/Industrial/Externally-powered/300 to 115.2K Baud) |
$119.95
Order |
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RPT-485_422-4 |
RS485 <=>
RS422 Converter or RS485/RS422 Repeater
(Isolated/Industrial/Externally-powered/300 to 115.2K Baud) |
$119.95
Order |
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HUB-485-4 |
RS232/485
<=> 4x RS485 Hub/Splitter/Repeater
(Isolated/Industrial/Externally-powered/300 to 115.2K Baud) |
$149.95
Order |
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USB-Serial-3 |
USB <=>
RS232, 2-wire RS485 or 4-wire RS422 Converter
(Isolated/Industrial/Externally-powered/300 to 115.2K Baud) |
$119.95
Order |
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RS232 ISOLATOR
(3-WIRE) |
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$64.95 $49.95
Order Here
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The CVT-232A-3 is
an industrial grade (wide temperature range with surge &
static protection) port-powered RS-232 isolator. The unit
optically
isolates three (3) RS-232 lines (TX, RX and GND), which
effectively protects your RS-232 devices from
ground
loops, transient surges and spikes.
Optical isolation also
eliminates ground loop and noise problems.
The unit is powered from the
RS-232 data line (self-powered), and therefore, no external
power or RTS, DTR is required.
Product Comparison |
Declaration of Conformity
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more info |
data sheet |
FAQs
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product selection guide |
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RS232 ISOLATOR
(7-WIRE) |
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$74.95 $59.95
Order Here
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The CVT-232B-3 is
an industrial grade (wide temperature range with surge &
static protection) port-powered RS-232 isolator. The unit
optically
isolates seven (7) RS-232 lines (TX,
RX, RTS, CTS, DTR, DSR and GND),
which effectively protects your RS-232 devices from
ground
loops, transient surges and spikes.
Optical isolation also
eliminates ground loop and noise problems.
The unit is powered from the RS-232 data line
(self-powered), and therefore, no external power or RTS, DTR
is required.
Product Comparison |
Declaration of Conformity
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more info |
data sheet |
FAQs
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product selection guide |
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OPTO-ISOLATED
RS232 TO RS485 CONVERTER
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$84.95
$74.95
Order Here |
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The CVT-485-3 is
an
industrial grade (wide temperature range with surge & static
protection) optically isolated bi-directional
RS-232 to RS-485 converter, which can be used to convert any
standard RS-232C port into a two-wire half-duplex RS-485
port and vice versa.
This product features
opto-isolation circuitry, which effectively protect your
RS-232 devices from
ground
loops, transient surges and spikes.
The unit is powered from the
RS-232 data line (self-powered); it also supports data
direction auto-turnaround. Therefore, no external power or
flow control is required.
Product Comparison |
Declaration of Conformity |
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more
info |
data sheet |
FAQs
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product selection guide |
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OPTO-ISOLATED
RS232 TO RS422 CONVERTER |
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$84.95
$74.95
Order Here |
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The CVT-422-3 is
an
industrial grade (wide temperature range with surge & static
protection) optically isolated bi-directional
RS232 to RS422 converter, which can be used to convert any
standard RS-232C port into a four-wire full-duplex RS-422
port and vice versa.
This product features
opto-isolation circuitry, which effectively protect your
RS-232 devices from
ground
loops, transient surges and spikes.
The unit is powered from the
RS-232 data line (self-powered); it also supports data
direction auto-turnaround. Therefore, no external power or
flow control is required.
Product Comparison |
Declaration of Conformity |
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more info
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data sheet |
FAQs
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product selection guide |
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OPTO-ISOLATED
RS232 TO RS485 RS422 CONVERTER
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$89.95
$79.95
Order Here |
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The CVT-485_422-3 is
an
industrial grade (wide temperature range with surge & static
protection) optically isolated bi-directional
RS232 to RS485 converter / RS232 to RS422 converter, which can be
used to convert any standard RS-232C port into a two-wire
half-duplex RS-485 port or a four-wire full-duplex RS-422
port and vice versa.
This product features
opto-isolation circuitry, which effectively protect your
RS-232 devices from
ground
loops, transient surges and spikes.
The unit is powered from the
RS-232 data line (self-powered); it also supports data
direction auto-turnaround. Therefore, no external power or
flow control is required.
Product Comparison |
Declaration of Conformity |
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more info |
data sheet |
FAQs
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product selection guide |
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OPTO-ISOLATED
RS232 TO RS485 RS422 CONVERTER |
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$149.95 $119.95
Order Here |
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The CVT-485_422-4 is
an
industrial grade (wide temperature range with surge & static
protection) high-speed (300 to 115,200bps) optically-isolated bi-directional
RS-232 to RS-485 converter / RS-232 to
RS-422 converter, which can be used to convert any standard
RS-232C port into a two-wire half-duplex RS-485 port or a
four-wire half-duplex RS-485 / full-duplex RS-422 port and vice versa. This
product features opto-isolation circuitry, which effectively
protect your RS-232 devices from
ground
loops, transient surges and spikes;
it also supports data direction
auto-turnaround. Therefore, no flow
control is required.
The unit is powered from an
external 9 to 30VDC power supply, so you do not have to
worry about the power capability of your RS232 device.
Product Comparison |
Declaration of Conformity |
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more info
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data sheet |
FAQs
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product selection guide |
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OPTO-ISOLATED
RS485 / RS422 CONVERTER / REPEATER |
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$149.95 $119.95
Order Here |
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The
RPT-485_422-4 is an industrial grade optically isolated
RS-485/RS-422 repeater/converter, which can be used to
extend the RS-485 or RS-422 distance to up to 4000 ft
(1.2km), it can also can be used to convert a two-wire
RS-485 signal into a four-wire RS-422 signal, and vice
versa.
This product features opto-isolation
circuitry, which effectively protects your RS-485/RS-422
devices from transient surges, ground loop and spikes. The
unit supports serial data rates up to 115,200bps and
features data format auto-sensing and self-adjusting, and,
therefore, no DIP switch or jumpers are required. When
working with RS-485 signals, the CommFront’s auto-turnaround
feature eliminates the need for flow control.
Product Comparison |
Declaration of Conformity |
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more info
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data sheet |
FAQs
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product selection guide |
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OPTO-ISOLATED
RS485 HUB / SPLITTER / REPEATER |
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$159.95 $149.95
Order Here |
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The HUB-485-4 is an
industrial-grade
(wide temperature range with surge & static protection)
optically-isolated RS-485
Hub/Splitter/Repeater, which can be used to expand RS-485
networks by splitting one RS-485 network into four, in turn
increasing the maximum number of nodes and the distance
covered by an RS-485 network.
The product features opto-isolation circuitry, which
effectively protects your RS-232/RS-485 devices from
transient surges, ground loops and spikes. Opto-isolation
also eliminates ground loop and noise problems. The unit
supports data rates up to 115,200 bps and features data
format auto-sensing and self-adjusting; therefore, no DIP
switch or jumpers are required.
Product Comparison |
Declaration of Conformity
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more info
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data sheet |
FAQs
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product selection guide |
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OPTO-ISOLATED
USB TO RS232/485/422 CONVERTER |
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(Windows 7
supported!)
$129.95 $119.95
Order Here |
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The
USB-Serial-3 is an industrial-grade
(wide temperature range with surge & static protection)
optically-isolated USB
to RS-232/485/422 converter, which can be used to convert
any standard USB port into a three-wire RS-232 port, a
two-wire RS485 port, or a four-wire RS422/RS485 port and
vice versa.
This
product features opto-isolation circuitry, which effectively
protects your USB devices from transient surges, ground
loops and spikes.
The unit uses the latest chipset from Silicon Labs and is
fully compatible with Windows 7/Vista/XP/Server2003/2000
(32-bit), Windows 7/Vista (64-bit), Win CE (5.0, 6.0), Mac
OSX, and Linux (2.6x, 2.4.36).
Product Comparison |
Declaration of Conformity
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more info
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data sheet |
FAQs |
product selection guide |
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