Technically Speaking, Specifications | Black Box Modem specification

Micro-mini modem connects an async computer to an async terminal without external power.

ME605A

Async

Computer

Multimode
Fiberoptic Cable	ME605A

Async

Terminal

Technically Speaking

Switch-selectable DTE/DCE

The Async Fiber Optic Mini Modem features a switch- selectable 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.

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Ordering Information

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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

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

PRODUCT NAME	ORDER CODE
Async Fiber Optic Mini Modem—FST	ME605A-FST
Async Fiber Optic Mini Modem—MST	ME605A-MST

Power — Derives ultra-low

	Transmission Mode —	power from the DTE data
	Asynchronous, full- or
		and control signals
	half-duplex

	Transmission Controls —	Size — 0.7"H x 2.1"W x 3.1"D
		(1.8 x 5.3 x 7.8 cm)
	Carrier constantly on or

	controlled by RTS	Weight — 1.3 oz. (36 g)