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®
© Copyright 1998. All rights reserved.
Black Box Corporation.
Supports asynchronous
transmission up to 19.2 Kbps.
Drives data up to 2 miles
(3 km) over multimode fiber.
Operates in full- or half-
duplex mode.
Configurable for
continuous or controlled
carrier.
Includes a handy
DCE/DTE switch.
Needs no external power.
W
hen you need to connect
full- or half-duplex async
computers and terminals,
choose the Async Fiber Optic
Mini Modem. A pair of these
modems can drive data over
multimode fiberoptic cable up
to 2 miles (more than 3 km) at
data rates up to 19.2 Kbps.
Special circuitry allows the
modem to operate without
external power, by deriving
ultra-low power from the DTE
data and control signals on the
interface.
Two models are available:
• Async Fiber Optic Mini
Modem with (2) fiberoptic
ST connectors and (1) DB25
female connector (part
number ME605A-FST)
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Connect an async computer to an async terminal via a pair of
Async Fiber Optic Mini Modems.
Complete async
modem functionality
in an ultra-mini
package that requires
no external power.
Typical Application
• Async Fiber Optic Mini
Modem with (2) fiberoptic
ST connectors and (1) DB25
male connector (part
number ME605A-MST)
And you can configure the
modem for continuous or
controlled carrier to suit your
application.
Key Features
Setting the modem for DCE
or DTE operation is a breeze,
too. Simply move the handy
DCE/DTE switch to the
desired position.
For proper operation,
remember that modems must
be used in pairs.
Async Fiber Optic Mini Modem
®
BLACK
BOX
The World’s Source for Connectivity
SM
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Switch-selectable DTE/DCE
The Async Fiber Optic Mini
Modem features a switchselectable DTE/DCE option.
This allows operation as DTE,
for connection to another
DCE such as a multiplexor
port, eliminating the need for
a cross cable.
Continuous or switched
operation
The carrier can be strapped
for either continuous
operation or switched
operation, controlled by the
RTS signal, for transfer of a
control signal end-to-end.
Specifications
Speed — Up to 19.2 Kbps
Distance — Up to 2 miles
(3 km) over multimode
fiberoptic cable
Temperature — 32 to 122° F
(0 to 50° C)
Humidity — Up to 90%,
noncondensing
Pulse Width Distortion —
Less than 25%
Transmission Line — Duplex
optical cable
Transmission Mode —
Asynchronous, full- or
half-duplex
Transmission Controls —
Carrier constantly on or
controlled by RTS
Technically Speaking
Ordering Information
This information will help you place your order quickly.
PRODUCT NAME ORDER CODE
Async Fiber Optic Mini Modem—FST..............ME605A-FST
Async Fiber Optic Mini Modem—MST...........ME605A-MST
Micro-mini modem connects
an async computer to an async
terminal without external
power.
Optical Output Levels —
-28 dBm into 100/140 fiber;
-32 dBm into 62.5/125 fiber;
-36 dBm into 50/125 fiber
Receiver Sensitivity —
-45 dBm
Operating Wavelength —
850 nm
Indicators — (1) Data
Transmit LED
Connectors — ME605A-FST:
(1) DB25 female, (2) ST;
ME605A-MST: (1) DB25
male, (2) ST
Power — Derives ultra-low
power from the DTE data
and control signals
Size — 0.7"H x 2.1"W x 3.1"D
(1.8 x 5.3 x 7.8 cm)
Weight — 1.3 oz. (36 g)
For these and other components...
Call our expert Technical Support Staff for all your Modem
needs. They’ll help you find the best equipment for your
application.
2
Async
Computer
Async
Terminal
ME605A
ME605A
Multimode
Fiberoptic Cable
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