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Appendix C JUE-250 software updating procedure
1. Confirm the connection
PC dedicated software is used for JUE-250 software updating.
Prepare a PC and connect it to Ethernet port of JUE-250, with LAN cable.
About the connecting procedure, refer to [6.2 Ethernet port PC connection] (p66) in this manual.
Power supply
LAN cable
146
PC
Handset
ADE
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