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IBM 7858 Product Overview

Professional modem
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IBM 7858 Professional Modem
• Flexible operations in both
synchronous and asynchronous
mode
• Compatibility with a wide range
of ITU standards
• Automatic adaptation to
changes in network environ-
ment
• High-throughput telecommuni-
cations over switched and
leased lines
• Flexible setup, operation and
management
• Enhanced system security
52
Meets the demands of today's business environment
for reliable high-throughput telecommunications
The IBM 7858 Model 336 is a stand-alone modem with Link Problem Determination
Aid (LPDA) support for those environments requiring centralized management from
a NetView console. It allows your data terminal equipment (DTE) to communicate
with other DTEs using a synchronous or asynchronous protocol. The 7858 operates
in duplex mode at line speeds of up to 33.6 Kbps over switched and 2-wire or 4-wire
leased lines.
www.networking.ibm.com

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  Summary of Contents for IBM 7858

  • Page 1 ITU standards • Automatic adaptation to changes in network environ- ment The IBM 7858 Model 336 is a stand-alone modem with Link Problem Determination • High-throughput telecommuni- Aid (LPDA) support for those environments requiring centralized management from cations over switched and a NetView console.
  • Page 2: Product Overview

    Product Overview Flexible operations in both Digital Interface standards: The 7858 also has an adaptive line rate synchronous and asynchronous facility that automatically decreases or mode •ITU V.24 increases the transmission speed to The 7858 provides flexible operation in constantly achieve the highest •ITU V.28...
  • Page 3 Factory preset and user configu- Directory services Auto-call on the public switched rations With the 7858 modem, you can define network is feasible using one of the Ten different configurations are preset and store up to 20 different telephone following commands: and available in the modem.
  • Page 4 •Local analog test loop (ITU loop 3), including self-test facility •Digital test loop (ITU loop 2) •Remote controlled digital test loop (ITU loop 2), including self-test facility. Supplementary Information Information on the IBM 7858 Professional Modem is available at: www.networking.ibm.com www.networking.ibm.com...