background image

Adapters

Modems

www.networking.ibm.com

52

A

Meets the demands of today’s business environment
for reliable high-throughput telecommunications

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

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.

IBM 7858 Professional Modem

Содержание 7858

Страница 1: ...cations over switched and leased lines Flexible setup operation and management Enhanced system security 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...

Страница 2: ...up 3 Class1ITUV 29 V 27 ter andV 17 Automatic adaptation to a network environment The 7858 supports functions that automatically adapt to the changing network environment For example it supports auto mode capability to automatically select the modulation scheme at connection setup This function determines the appropriate modulation scheme V 34 V 32bis or V 32 based on compatibility with remote mod...

Страница 3: ...T mode and 12 in V 25bis mode You can also associate a telephone number with a configuration When the number is dialed the configuration automatically activates Several dial numbers can be linked When the first dialed number is detected as busy the next number is dialed automatically Factory preset and user configu rations Ten different configurations are preset and available in the modem You can ...

Страница 4: ...alling party Physical specifications Desktop unit with self contained power supply Width 210 mm 8 27 in Depth 150 mm 5 91 in Height 44 mm 1 73 in Weight 1 2 kg 2 65 lb Operating environment Temperature 0 to 40 C 32 to 104 F Relative humidity 8 to 80 noncondensing Class B EMC compliant Power requirements Input voltage 100 to127 or 200 to 240 volts nominal Frequency 50 and 60 Hz nominal Phase single...

Отзывы: