Go to any administrator-privileged display phone (e.g., the 12-key or 24-key digital phone). Without lifting the handset, press . Dial the programming entry code: * # * # .
The status LEDs will flash in a specific pattern indicating the data is being read. Do not pull the power during this phase. Completion: nec sl1000 firmware upgrade
: Always perform a database backup using PCPro before attempting any software changes. Method 1: Upgrading via PCPro (Recommended) Go to any administrator-privileged display phone (e
The upgrade can be performed remotely using PCPro or locally with a CF card. indicating the firmware is being written.
The Status LED (D2-5) will begin flashing RED , indicating the firmware is being written.