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Operation
Alarms Terminal Interface Screen
The terminal interface Alarms screen, shown below, displays the status of alarm conditions (ON or
OFF) for each alarm condition, indicating whether the condition currently exists. Definitions of the
alarm conditions are provided below. To dismiss the screen, press Enter.
Screen data reflects conditions at the moment you accessed the screen. To update the display,
dismiss the screen and then selecting it again from the Main Menu by pressing the Enter key.
ALARM
-----
NO DTR:
NO TXD:
NO RXD:
ON DBU:
DCD LOSS: ON
RETRAIN:
Hit a <CR> to Continue:
Figure 3-4
Alarms Definitions
No DTR – indicates the unit is not receiving Data Terminal Ready from the DTE
No TXD – occurs when a unit configured for constant TX carrier experiences one minute without
transitions in the Transmit Data
No RXD – occurs when a unit configured for constant RX carrier experiences one minute without
transitions in the Receive Data
On DBU – occurs when a modem that normally operates on a dedicated line connection has initiated
a switched network connection due to problems with the dedicated line
DCD Loss – indicates loss of incoming data
Retrain – occurs when the number of retrains exceeds the configured retrain count threshold
Config Checksum Err – indicates that the non-volatile memory that stores configuration has become
corrupted
Call Failed – can occur for a variety of reasons; check the Call Statistics screen for more detailed
information when a Call Failed alarm occurs
Call Length – occurs when the duration of a call exceeds the configured call length threshold
Ring No Answer – occurs when an incoming call rings but the modem does not answer
Test Timed Out – occurs when a diagnostic test is ended automatically by the configured Test Time
limit
060R122-000
Issue 15
DUAL SPECTRACOMM V.34
SLOT: 17
LINE: 1
ALARMS
STATUS
------
OFF
CONFIG CKSUM ERR: OFF
ON
CALL FAILED:
ON
CALL LENGTH:
OFF
RING NO ANSWER:
TEST TIMED OUT:
OFF
Terminal Interface Alarms Screen
SpectraComm Dual V.34 Modem
Installation and Operation
ALARM
STATUS
-----
------
OFF
OFF
OFF
OFF
Modem Main Menu
3-43
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