ZyXEL Communications 2864 Series, User Manual, Page: 17 / 267

1–1
Chapter 1
INTRODUCTION
The 2864 series of V.34 modems includes three sub-series of models, namely the Su-
preme, Elite and Omni series. The Supreme and Elite series models have ISDN ca-
pability or can be upgraded to have ISDN capability. The Omni series does not have
ISDN capability. The Supreme series provides an LCD display panel while the Elite
series has a front panel with LED indicators only. Many features are common to all
three series. If not noted otherwise, a feature illustrated with one series model in this
manual applies to the other models and series as well.
The Elite 2864 series of high-speed modems features four base 10models. They dif-
fer only in the implemented line interface module, everything else is equivalent ex-
cept for the panel LED indicator designations.
The models are
The Elite 2864 has a 2-wire dial-up line DAA (Direct Access Arrangement) module
for connection to a normal PSTN (Public Switched Telephone Network) 2-wire
dial-up phone line. The Elite 2864L has a DAA with both a dial-up and leased line
interface. A 2 or a 4-wire leased line can also be used besides the normal 2-wire dial-
up line. Dial back-up capability is provided while using leased line. The Elite 2864I
has an ISDN S-interface module that will connect to an ISDN S-interface line. It
will connect to an ISDN call or a modem/fax call from PSTN made to this ISDN
line. A U-interface ISDN module is available for the USA market. The Elite 2864IU
is the ISDN model with the U-interface module.
By changing the line interface module, one Elite model will essentially become an-
other Elite model. Each Elite model has different markings on its front and rear pan-
els. Thus, in addition to the line interface module the front and rear panel also need
to be changed in order to transform one Elite model into a different Elite model.
Note that each Elite model has its own telecommunication authority approval
Model Name Line Interface Module Phone Line Used
Elite 2864 Dial-up line DAA Dial-up analog PSTN line
Elite 2864L Dial-up and leased line
DAA Dial-up and/or 2/4-wire leased ana-
log line
Elite 2864I ISDN S-interface ISDN line, S-interface
Elite 2864IU ISDN U-interface ISDN line, U-interface