MAINTENANCE
ERROR MESSAGE
AND DESCRIPTION POSSIBLE SOLUTION
DXS Reset; The DXS console has
Recoverable; no action required.
been reset.
Electronic PowerFeed Off,Check the wiring for shorts from
Overcurrent: A Hybrid
Line
the backplane/SIP up to the
(ZTN79) port EPF chip shut down.
phone jack. Check the ATL set at
Two ports are effected, for the SIP. Try swapping ATL sets.
example, 1-2,3-4,5-6,7-8.
Error removed if Audit passed and
short removed. Audit runs every 4
minutes.
Electronic Power Feed Overload: Check the tie trunk pairs from the
A Tie Trunk (TN760B) port EPL
back of the cabinet through to the
chip went into overload.
network for an external short (see
Figure 4-4). If the short is not
detected on the pairs, replace the
board.
Electronic Power Feed TestCheck the E and M leads for
Overload: The “M” lead on a tie external shorts (see Figure 4-4). If
trunk has an external short circuit.
the short is not on the pairs,
replace the board.
Empty CSMA Queue: (STAR LAN If the reset is not successful
Interface CP) This error resets the
reseat board. If the reseat fails,
CP.
replace the CP.
Error Log Table Full: Transient
Correct indicated errors, and then
Error Log is full.
remove entries from the Transient
Error Log to free-up space.
External RAM Failure: Port or
Reseat board. If problem persists,
CPU/Memory CP error while
check or replace appropriate CP.
running
background
non-
destructive external RAM tests.
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