Manual de instrucciones de Black Box 202

Resumen del contenido incluido en la página 1

FREE 24-hour Tech Support: 724-746-5500
blackbox.com
© 2007. All rights reserved. Black Box Corporation.
Modem 202 and Modem 202T
Reliable old favorites, manufactured
Reliable old favorites, manufactured
to today’s exacting specifications.
to today’s exacting specifications.

Resumen del contenido incluido en la página 2

An industrial application for the Modem 202. FEATURES • Compatible with the Bell 202T standard. • Operate over 2- or 4-wire voice-grade Modem 202 Modem 202 Modem 202 (MD845A-R2) RS-232 leased or private lines. (MD845A-R2) (MD845A-R2) cable • For point-to-point or point-to-multipoint Dedicated wire polling networks. Dedicated wire Programmable logic pair(s) pair(s) controller • Prevent data and carrier-detect errors RS-232 RS-232 RS-232 cable over noisy lines. cable cable • Anti-streaming capabil

Resumen del contenido incluido en la página 3

generate a data pattern from the locally attached DTE or have TECH SPECS the modem generate a test pattern. MD845A-R2: You can also run line and modem tests to verify the integrity Distance (Maximum) — 20 mi. (32.2 km) on unloaded lines, depending upon line characteristics of the line between the local and remote modems. With this Enclosure — Standard NEMA 1; 18-gauge steel with mounting flanges test, the local Modem 202T loops back received data to the Handshake Modes — DataSense (DSCC) or R