Specifications

Jumpers and Connectors 45
cPCI-6840
2.6 RTM Switch and Jumper Setting
cPCI-R6840
LAN1 and LAN2 Dip Switches on RTM
The cPCI-6840 supports LAN1 and LAN2 on both the 2.16
backplane and rear I/O. PICMG 2.16 backplane and rear I/O
cannot be accessed simultaneously. SW1 and SW2 must be
set to either the 2.16 backplane or the RTM. The table below
shows how to set the DIP switches to enable either the 2.16
backplane or RTM for LAN1 and LAN2.
SW5: VGA Signal Enable
The cPCI-6840 supports VGA outputs to both front and rear
panels. If SW5 on the RTM is set all off, the RGB signal won’t
be connected to the rear connector. Users should set SW5 on
to enable the rear VGA signal output (default: All ON).
Switch Functions
SW1 and SW2 Enable either 2.16 plane or RTM LAN2 access
SW3 and SW4 Enable either 2.16 plane or RTM LAN1 access
SW5 Enable rear VGA signals
CN9 Determine the CF as master or slave
Table 2-5: RTM Switch and Jumper Settings
Connect to: LAN2 (SW1 and SW2) LAN1 (SW3 and SW4)
PICMG 2.16 Backplane All OFF All OFF
Rear faceplate RJ-45 connectors All ON (default) All ON (default)
Table 2-6: LAN Dip Switch Settings
NOTE:
NOTE:
All switches in the SW1, SW2, SW3, and SW4 bank
must all be either ON or OFF. 2.16 backplane and rear
LAN1 and LAN2 cannot be accessed simultaneously.
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