User`s manual

NA-821 Series Network Appliance User’s Manual

Module Jumper Settings

B.4 AX93129

LAN Port Enable/Disable Jumper Setting (JP24, JP25, JP31, JP33)

Description Function Jumper Setting

Normal

JP31 Open (Default)

LAN1

Disable

JP31 Short

Normal JP24 Open (Default)

LAN2

Disable JP24 Short

Normal JP25 Open (Default)

LAN3

Disable JP25 Short

Normal JP33 Open (Default)

LAN4

Disable JP33 Short

Power & HDD LED (D22)

Upper LED for power status LED. Lower LED for HDD access status

LED.

LAN bypass status LED (D21)

Upper LED for lan1-2 port bypass status LED. Lower LED for lan3-4

port bypass status LED. LED active is LAN port in normal operation