Comtech EF Data SNM-1010L - Manual (Page 79)

SNM-1010L Data/Control Modem Revision 0
Front Panel Operation MN/SNM1010L.OM
3.4.3.3 FUNCTION SELECT:FAULTS AND ALARMS:TX INTERFACE
TX INTERFACE
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TX DROP Not Applicable.
TX DATA/AIS Data or AIS. When data fault is selected in the Interface
Configuration menu, the fault indicates a data stable
condition. This indicates the data is all 1s or 0s (i.e., data is
not transitioning). When AIS is selected, the alarm
indicates the data is all 1s from customer data input to the
modem. When NONE is selected in the Interface
Configuration menu, the TX Data/AIS Fault/Alarm is not
activated.
Note: AIS is an alarm, not a switching fault.
TX CLK PLL Transmitter phase-locked loop fault. Indicates the
transmitter Phase-Locked Loop (PLL) is not locked.
TX CLK ACTIVITY Activity detector alarm of the selected interface transmit
clock. The interface will fall back to the internal clock when
this alarm is active.
TX AUDIO 1 CLIP Not Applicable.
TX AUDIO 2 CLIP Not Applicable.
CONFIGURATION TX interface configuration fault.
Indicates the TX interface cannot execute a programmed
configuration parameter.
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