A Niagara G3 ENC is not communicating via the ethernet (RJ-45) jack.

Issue

A Niagara G3 ENC is not communicating via the ethernet (RJ-45) jack.  Here is the output from a serial system shell connection:

Press to stop autoboot...
Autobooting...
Loading image from on-board nand flash
ppc824x(james) booting
Amic29L040A
starting /ffs0 filesystem
ETFS_FS_2048
starting message queue handler
i2c: Using 100Mhz freq divider
DINIT

Press ESC to restore factory default username and password...

mount: Can't mount / (type io-net)
mount: Possible reason: No such device or address
if_up: retries exhausted
ifconfig: SIOCGIFFLAGS en0: No such device or address
writing to routing socket: Network is unreachable
: Network is unreachable
if_up: retries exhausted

----------------------TCP/IP Network Status------------------------------
ifconfig: SIOCGIFFLAGS en0: No such device or address
-----------------------------------------------------------------------------------

Product Line

TAC I/A Series

Environment

Niagara G3

Cause

The output from the serial system shell connection indicates a on-board failure of the network communications.

Resolution

Replace the ENC.