Applied Systems Engineering Bell-202T Manual de usuario descargar pdf (Pagina 5)

Applied Systems Engineering, Inc.

Page 1

Features

Power

• 5 VDC or 12 to 160 VDC, draws less than 500 mw

• Power cable can be removed/inserted with power on

• "Hot Card Swap" on rack mount configuration

Timings

• Carrier detect on delay: 2 to 30 msec.

• RTS/CTS delay: 0 to 254 msec. or constant CTS

Levels

• Transmit Gain: 0 to –31 dB, switch selectable, 1dB increments

• Receiver Gain: –35 or -45 dB, switch selectable

Isolation

• 1,500 VAC Telco

• 1,800 VAC Power Supply

LEDs

• LEDs for transmit (TD) and receive (RD) data, RTS, CTS, carrier detect (CD), and power

Connections

• Analog side via 4-wire RJ-11

• Digital side via DB-25 RS-232

Other

• 2-wire or 4-wire (2-wire with optional 156 msec. receiver squelch)

• Constant or switched carrier

• 900Hz soft carrier turn-off

Packaging

The modem dimension is based on a VME form-factor PC card (100 x 160mm) that can be mounted in an

optional metal box (Model 5006), inserted into a VME-style rack (Model 5008), or mounted in a customer

enclosure (Model 5006) with 4 4-40 screws. The metal box dimensions are 7.35 x 4.14 x 1.42” (187 x 105

x 36 mm) and include flanges with 4 mounting holes. For the rack mount version, power is provided

through the backplane connector. For the Model 5006, power connection is via a 3-position terminal block.

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Applied Systems Engineering Bell-202T Manual de usuario Pagina 5