38
Functional Description
remains off, a valid link has not been established due to a miss-
ing or a fault connection.
Table 3-8: Ethernet LED Status Definitions
Board-to-Board Connector
The Board-to-Board Connector (CN4) connects the main board to
the DB-3920L2 daughter board, allowing I/O expansion and HDD
connectivity for the cPCI-3920B 8HP version. The DB-3920L2 pro-
vides the following interfaces:
X
Two USB2.0 ports
X
Low pin count bus
X
PS/2 Keyboard Mouse port
X
SATA port with power
X
XDP debug port
Legend for CN4 Pin Assignment
Status
SPEED LED
ACT LED
Network link is not
established
OFF OFF
LINK OFF
ON
10/100 Mbps
ACTIVE OFF
BLINK
LINK ON
ON
1000 Mbps
ACTIVE ON
BLINK
Содержание cPCI-3920 Series
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