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MET-LINE (MET Line)
Issue 1 June 2005 1563
b. Error Type 1: the data link between the port and the terminal is not operational (that is, the
port circuitry has detected an off-board problem). Verify that the MET set is connected and
that the EPF (Electronic Power Feed) test passes. If data transmission problems are
experienced, check for defective wiring or a defective voice terminal, or move terminal
electrically closer to the switch (that is, reduce the length of the wiring between the terminal
and the switch). If the problem persists, replace the circuit pack. Once the problem is
resolved, the system retires the alarm after a predetermined time delay.
c. Error Type 18: is logged when maintenance personnel busyout the port. The port is
released from busyout using release port location.
d. Error Type 130: the circuit pack has been removed or has been insane for more than 11
minutes. To clear the error, reinsert or replace the circuit pack.
e. Error Type 257: the EPF has been turned off due to an overcurrent condition at the voice
terminal. Check for defective wiring or a damaged jack, and verify that the voice terminal is
an MET set. Once the problem is resolved, the system retires the alarm after a
predetermined time delay.
f. Error Type 513: the EPF inquiry audit has returned “epf-no-load” messages. This usually
indicates that the voice terminal has been disconnected or that there is a defect in the wiring
to the terminal. Check out both possibilities.
When the EPF inquiry audit subsequently receives an “epf-on-ok” or an “epf-off-ok”
message, the system will take action to retire the alarm.
g. Error Type 1537: the port has reported a problem with the data link to the voice terminal.
Ignore this error if there are no complaints about the voice terminal. Otherwise, make sure
the voice terminal is connected, check for defective wiring, check for a defective voice
terminal, and decrease the length of the wiring between the voice terminal and the switch. If
the problem persists, replace the circuit pack.
h. Error Type 2049, Aux Data 32770: the voice terminal went off-hook while it was in the
ready-for-service state. Use status station to determine the state of the voice terminal.
The off-hook should have moved the station to in-service. No repair action is necessary.
Error Type 2049, Aux Data 40967: this code is generated when the link between the circuit
pack and the voice terminal is successfully reset. No repair action is necessary.
i. Error Type 3840: the hardware sent an uplink message indicating that the Electric Power
Feed (EPF) is not loaded, that is, it is not currently supplying power to a voice terminal. No
repair action is necessary.