LAN Adapter User Manual AD007

Reference
AD007 User Manual
47
Confirming a Hardware/Firmware Failure
Defective hardware or firmware can cause the adapter to indicate a
self-test failure as fol lows:
H No indicators light during power on
H The indicators light and remain amber
H The LAN-Link, LAN, a nd GPIB indicators bli nk red after the
self-test at power on.
To confirm a hardware or firmware failure, do these steps:
1. Supply power to the AD007 adapter.
2. If no indicators light, check power connections at the following
components:
a. line source to powe r cord
b. power cord to power supply
c. power supply to the DC input jack on the back of the
AD007 adapter
3. If indicators light, wait 30 seconds for the self-test to complete.
Blinking indicators at the beginning of power on indicate that the
hardware self-t est is in progress.
4. To indicate a successful self test, the LAN-Link, LAN, and GPIB
indicators simultaneously blink green before automatically
starting the LAN discovery (DHCP/BOOTP request) loop. See
Table 2.
5. To indicate a hardware failure in the adapter, the adapter will
indicate one or more of the following
a. The LAN-Link, LAN, a nd GPIB indicators simul taneously
blink red after the 30-second self test is complete.
b. All indicators light and remain amber.
c. The LAN-Link, LAN, a nd GPIB indicators do not
simultaneously blink green before begi nning the LAN
discovery.