ZyXEL Communications NXC5200 - V2.20 Bedienungsanleitung PDF herunterladen (Seite 18)

ZyXEL Communications Corp. Proprietary & Confidential Information

www.zyxel.com

Appendix 3 - Firmware Recovery

In some rare situation, device might not boot up successfully after firmware upgrade.

The following procedures are the steps to recover firmware to normal condition. Please

connect console cable to device.

1. Restore the Recovery Image

 If one of the following cases occur, you need to restore the “recovery image”

 Booting failed, device show error code while uncompressing “Recovery

Image”.

 Device reboot infinitely.

 Nothing displays after “Press any key to enter debug mode within 3 seconds.”

for more than1 minute.

1 2 ... 13 14 15 16 17 18 19 20 21

Keine Kommentare

ZyXEL Communications NXC5200 - V2.20 Bedienungsanleitung Seite 18