Comtech EF Data SNM-1010L - Manual (Page 50)

SNM-1010L Data/Control Modem Revision 0
Front Panel Operation MN/SNM1010L.OM
3.1.1 LED Indicators
In addition to the LCD, the LEDs provide the modem status. The LEDs support three
states:
• ON
• OFF
• Flashing
Table 3-1. SNM-1010L Front Panel Indicators
LED Color Description
POWER ON Green Power is applied to the modem.
FAULT Red A fault condition exists.
TEST MODE Yellow Flashes when the unit is in a test configuration.
TRANSMITTER ON Green Transmitter is currently (ON).
Indicates the actual condition of the transmitter, as opposed to the
programmed condition.
In control mode, the indicator blinks since the transmitter is operating in
the burst mode.
In traffic mode, the indicator is solid green.
CARRIER DETECT Green (ON) Decoder is locked.
NODE Green Indicates the node has been enabled or disabled by the NMS. It is
(ON) if the node is enabled, (OFF) if the node is disabled.
NMS Green (OFF) Node did not receive timing or ACKNOWLEDGE messages
from the NMS.
(FLASHING) Node received timing message from the NMS, but no
ACKNOWLEDGE message was received.
(ON) Node received timing and ACKNOWLEDGE from the NMS.
CHANNEL Green Indicates the Data Channel status.
(FLASHING) call setup proceeding.
(ON) Data circuit is active.
(OFF) Data circuit is inactive.
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