2.3 System Data Control
182 Feature Guide
2.3.7 Firmware Upgrade
Description
It is possible to upgrade the PBX software via the Serial Interface (RS-232C port) or USB port using the KX-
TE Maintenance Console software. Even if a user upgrades the PBX software, the system data will not be
lost. For more information on how to upgrade the PBX software, refer to the on-line help.
Conditions
• The ROM and the firmware version can be confirmed through system programming ( Firmware
Version [998]).
Installation Manual References
2.8.1 Connecting Peripherals
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