NETGEAR XM128 ISDN User Manual
Page 22
Reference Guide for the Model XM128 ISDN Digital Modem
1-2
Introduction
The Model XM128 modem has two analog ports to connect analog devices such as fax machines,
modems, and telephones. Two different devices can communicate over the two B channels to
different locations simultaneously, enabling you to send a fax and make a voice call at the same
time. The analog ports recognize standard dual-tone multifrequency (DTMF) tones as well as
pulse dialing.
The Model XM128 modem has the following features:
•
Plug-and-Play support for a windows 95
®
environment
•
Full compatibility with both ISDN and remote public-switched telephone network (PSTN) by
way of ISDN
•
Multiple signaling protocol compatibility with DSS1, 1TR6, NI-1, AT&T 5ESS, and Northern
Telecom DMS 100 network switches
•
X.75, V.110, V.120, and Point-to-Point Protocol (PPP) Async-to-Sync Conversion B Channel
Protocol support
•
B channel speeds of 56 Kbps (in-band signaling) and 64 Kbps (out-of-band signaling)
•
MLP and Multipoint PPP (RFC1717)
•
Hi/fn LZS compression (STAC)
•
V.42bis data compression using the X.75, V.120, and bundle protocols
•
NETGEAR ISDN AT modem commands
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Automatic ISDN and analog call detection
•
Two analog telephone jacks (analog adapters)
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Push-button switch for quick dial and teardown
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Easy-to-use configuration software
•
Flash EPROM memory for easy firmware upgrades