Modem Upgrade 9-1
Chapter 9Modem Upgrade
This chapter describes how to upgrade flash el ectrica lly erasable progr ammable read-only memory
(EEPROM) firmware on your Model XM128 ISDN Digital Modem.

Upgrading with Flash EPROM

Your Model XM128 modem employs a flash EEPROM that lets you conv eniently download
updated firmware and program the modem with new features and enhanced functions. If you are
using Windows 95 or Windows NT, use the NETGEAR Internet Configuration Manager to
upgrade the firmware. For other oper ating systems, use a terminal program that supports the
X-modem Protocol.
Obtain the new firmware from the NETGEAR bulletin board system (BBS), WWW, or FTP site.
Refer to Customer Support on page -iii. The firmware is distributed in the ONETd.vvv file, where
the extension vvv denotes the version of this firmware. Table 9- 1 lists the definitions for the d
modifier in the file name.
Table9-1. Definitions for the d modifier
Modifier Definition
G German national ISDN (1TR6)
E European ISDN (DSS1)
European ISDN is also used in most other countries including Asian
countries.
A American ISDN (AT&T 5ESS, Northern Telecom DMS-100, or National
ISDN-1)
The active D channel protocol can be chosen by an AT com m and.
Note: The American firmware version supports both the S/T interface and U interface
models. During power-on test, it checks the hardware configuration and follows the
initialization procedures of the specific interface.