IBM 7858-336 Full Duplex External Professional Modem

# The IBM 7858-336 (7858336) is a full duplex external modem supporting speeds up to 33,600bps
# The 7858-336 (7858336) functions over either leased or switched telecommunications lines
# LPDA-2 configuration set-up
# Supports ITU V.34, V.32bis, V.32, V.22bis, V.22, V.23, V.21
# V.17, V.29, V.27 Group III Class-1 Fax, with Automatic Data/Fax Detection
# Point to point full duplex mode, over 2-wire switched or 2- and 4-wire leased lines with automatic switched network back-up (SNBU)
# The 7858-336 supports single Port V.24 / V.28 DTEs; Autosync, Synchronous and Asynchronous Commands And/Or Data
# V.25/V.25bis, LPDA-2 or AT Autoanswer/Autocall
# V.42/V.42bis Error Correction (MNP4)/Data Compression (MNP5) And Data Buffering
# Password, Autologon, And Call-Back Security Features
# SNA Network Management Through LPDA-2/NetView
# V.54 Local Or Remote Tests
# Remotely Software-Upgradable Into Flash RAM
# The IBM 7858 Model 336 is a Professional Modem with LPDA-2 configuration setup and represents the next generation of high-speed, stand-alone, modem technology. This places this IBM modem among the highest symmetrical speed dial-up/lease-line modems currently available on the market. The IBM 7858-336 Professional Modem is a follow-on product of the IBM 7857 V.32bis Modem and is based on an equivalent architecture to maintain the maximum compatibility between the two modems. It has a professional-prone functionality, but it adds the support of the globally established ITU V.34 recommendation.