User`s manual

NA-821 Series Network Appliance User’s Manual
Module Jumper Settings
68
status. LED inactive is LAN port in LAN bypass status.
LAN Bypass Function Jumper Setting (JP1, JP2, JP3, JP4, JP5,
JP6, JP9, JP10, JP11, JP1)
LAN by pass divided into two groups:
Group 3 for LAN 1 & LAN 2 (support CPLD function)
Group 4 for LAN 3 & LAN 4 (support CPLD function)
Description Function Jumper Setting
WDT Control Lan bypasss JP10 short (1-2)
CPLD Control Lan bypasss
JP10 short (2-3)
(Default)
By WDT or GPIO JP9 Open (Default)
Lan bypass Disable JP9 short (1-2)
Lan always bypass JP9 short (2-3)
Group 3
LAN1 & LAN2
GPIO Control Lan bypasss Active
JP1 Open(Default)
JP2 short(Default)
JP3 Open(Default)
WDT Control Lan bypasss JP12 short (1-2)
CPLD Control Lan bypasss
JP12 short (2-3)
(Default)
By WDT or GPIO JP11 Open (Default)
Lan bypass Disable JP11 short (1-2)
Lan always bypass JP11 short (2-3)
Group 4
LAN3 & LAN4
GPIO Control Lan bypasss Active
JP6 short (Default)
JP5 Open (Default)
JP4 Open (Default)
When you enter the system LAN bypass is active without setup the bios
or application, and also you can control the Lan bypass to active or
inactive by GPIO or CPLD.
Group 3 JP1 & JP2 & JP3, Group 4 JP4 & JP5 & JP6 are used the
same GPIO control that come from CPU board.