Cermetek XE2422H Manual

Low-Cost, Low-Speed Surface-Mount Modem
DESCRIPTION
The Cermetek XE2422H is a complete 2400 bps
modem in a miniature surface-mount module. It
permits the designer to easily incorporate dial-up
communications into set top box, security,
vending, or point-of-sale applications.
The XE2422H is a complete modem not just a
modem chip. Connections to the micro-controller
serial port and to the telephone line are all that is
required to design-in the XE2422H. As a
complete modem, Cermetek includes transferable
FCC Part 68 Registration. Eliminating the need
for Cermetek customers to under go FCC Part 68
testing.
The XE2422H provides the lowest total cost of
ownership. As a complete modem, it eliminates
modem design and certification costs. It reduces
assembly costs by replacing multiple components
with a single, surface-mount module. And all of
this is provide at a low per unit cost of less than
twenty dollars in volume.
©2009 Cermetek Microelectronics, Inc.
XE2422H BLOCK DIAGRAM
Page 1
FEATURES
Small Size: 1.60" by 0.80" by 0.152"
Data transfer rates from 300 bps to 2400 bps
•
Supports V.21, V.22, V.22bis, V.23, Bell 103,
Bell 212A modem protocols
•
Supports Pulse and FSK Alarm formats
Serial data rates to 115,200 bps.
Control and configuration via AT Commands
3.3 and 5 volt compatible Serial Interface
Shared Line Features prevent interference with
voice communications on an extension
telephone.
Complete integrated DAA.
User Transferrable FCC Part 68 Registration
UL60950 Recognition
Low Operating Power, 3.3 Volts, 50 mW;
Sleep Mode with Wake-on-Ring feature
Power Down reduces current draw to 100 A
Document No. 607-0044 Revision A (12/11)