Dell 3115CN - Page 68

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Chapter 1 Troubleshooting
Version 1 2006.11.21
F
No
Yes
No
Yes
Try the following via Diag
menu:
- Adjust TONE_TX_ATT or
Cable EQU.
- Lower the signaling rate (via
G3M_TX_MODEM_SPEED,
etc).
Is any negative response
signal such as RTN and PIN
sent out from the remote
terminal?
No
Yes
No
Yes
Check the line status of
the local terminal.
Replace PWBA HYUI.
Is MCF sent out from the
remote terminal?
Is DCN sent out from the
local terminal?
Check the line status of
the local terminal.
Is any ECM-related nagative
response signal such as
EOR sent out from the
local terminal?
No
Yes
Does the problem
persist?
Try the following via Diag
menu:
- Adjust TONE_TX_ATT or
Cable EQU.
- Lower the signaling rate (via
G3M_TX_MODEM_SPEED,
etc).
- Disable ECM mode.
END