Toshiba ETH-100 User Manual

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10. Internal Battery 
The ETH-100 interface has an internal battery that is used to backup the file 
system containing the unit configuration and point database information when 
the unit is unpowered.  This battery is designed to last the lifetime of the 
product under normal use.  However, if the interface is left unpowered for 
several years, the battery may become exhausted.  For this reason, always be 
certain to download the configured point file to a PC via the xmodem protocol 
so that it will be available for uploading again if the battery fails and requires 
replacement.  Additionally, it is recommended to record the IP address, 
netmask and gateway settings in the notes section (section 15) of this manual 
for future reference. 
 
The battery is a soldered-in type, and is not user-replaceable.  If the battery 
becomes discharged, contact ICC for replacement assistance.