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Appendix B

Specifications

General Specifications

Data rate: 9600, 4800, or 0-1800 bps asynchronous

Data format: 8 or 9 data bits with 1 or more stop bits

DTE interface: EIA RS-232 or V.24 compatible

Line conditions: TELCO Voice band 4- or 2-wire leased line,

conditioned or unconditioned

Private metallic circuits up to 9.5 miles (24

AWG) without cable equalizer. Up to 15.0 miles

(24 AWG) with TX and RX cable equalizer

Operating modes: 2-wire half-duplex or 4-wire full-duplex

Modulation: High-speed fast poll – proprietary

FSK, Bell 202T compatible

•

Mark = 1200 Hz

•

Space = 2200 Hz

•

Soft Carrier = 900 Hz

Equalizer: Automatic, adaptive

RTS-CTS Delay: 23 ms. (fast poll)

8, 33, 59, or 219 ms (FSK)

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ARC DSP 9612 Guía de usuario Pagina 30