Digi 90031300 Manual Do Utilizador
T1 Modem Bank
30
POST Failure
If the T1 Modem Bank does not pass POST, it will display an error message code on the seven-segment LED display
and enter an infinite loop, waiting for the device to be reset. (Table 4 shows a list of the possible error message
codes).
and enter an infinite loop, waiting for the device to be reset. (Table 4 shows a list of the possible error message
codes).
Table 4
Error Message Codes
Code
Problem
Description
E0
Bad CPU
Writing all 1s/all 0s test to all registers failed to read back OK.
E1
Bad
Watchdog
Watchdog
The watchdog does not reset the board, even when it has not been hit for 1.2 seconds,
or it resets it even if it has been hit. This error also shows up if you power-cycle during
the tests, since it cannot tell the difference between you cycling power vs. the
watchdog triggering it when it should not.
or it resets it even if it has been hit. This error also shows up if you power-cycle during
the tests, since it cannot tell the difference between you cycling power vs. the
watchdog triggering it when it should not.
E2
Bad ROM
Defective ROM checksum, or defective EEPROM (bad checksum or bad data).
E3
Bad RAM
RAM test failed.
E4
Bad timer
Timer test failed; timer cannot count, or will not interrupt, or will not stop interrupting.
E5
Bad Sync
The SCA sync failed. The loopback test failed, or it will not interrupt, or it will not
stop interrupting.
stop interrupting.
E6
Bad line card
The line card failed to initialize or respond.
E7
Bad modem
No modems cards were found.
E8
Bad Misc.
Miscellaneous error. Currently goes on only if nothing has been downloaded for 15
minutes and the board resets itself.
minutes and the board resets itself.
E9
Bad
Download
Download
Download error - out of error packets, or bad checksum of packet, or more T1 Modem
Bank units were found than were configured.
Bank units were found than were configured.
EA
Bad NVRAM
configuration
configuration
EA indicates that the default configuration will be used because it did not pass the
checksum when reading the NVRAM.
checksum when reading the NVRAM.
Default configuration in E
2
memory T1 Modem Bank. No valid config E
2
, use a
default configuration of the default configuration of ground start (central office type
trunk), AMI, and D4 framing.
trunk), AMI, and D4 framing.
EN
Bad node
number
Error found on the node number. If the node number is out of range, or if a ping string
references a number that is out of range, an error will occur. For example, if a ping
string is configured to four nodes, and node five is referenced, an error would occur. In
the case of duplicate node numbers, the T1 Modem Bank farthest from the EPC/X host
adapter will display
references a number that is out of range, an error will occur. For example, if a ping
string is configured to four nodes, and node five is referenced, an error would occur. In
the case of duplicate node numbers, the T1 Modem Bank farthest from the EPC/X host
adapter will display
En
instead of
AC
when the system is booted up.
If any of these error message codes is displayed, run the diagnostics program by following the instructions in “T1
Modem Bank Diagnostics” on page 56.
Modem Bank Diagnostics” on page 56.