Led Indicators; Controls - Comtech EF Data SDM-650B Installation And Operation Manual

SDM-650B Satellite Modem

4.1.1 LED Indicators

General modem status and summary fault information are indicated by eight LEDs on the
front panel. The indicators are defined as follows:
Transmit
Receive
Common
Stored
Power On
Transmitter On
Carrier Detect
Test Mode

4.1.2 Controls

The modem is locally operated by using the following six keys:
[ENTER]
[CLEAR]
[
[
Rev. 5
Faults Color
Red LED
Red LED
Red LED
Red LED
Green LED
Green LED
Green LED
Yellow LED
Key
[ENTER] is used to select a display function, or to execute a change to the
modem's configuration.
[CLEAR] is used to back out of a selection, or to cancel a configuration change
which has not been executed. Pressing [CLEAR] generally returns the display to
the previous selection.
← ] and [ → ] These keys are used to move to the next selection or to move the cursor for
certain functions.
↑ ] and [ ↓ ] These keys are used primarily to change configuration data (numbers). The
keys are also used at times to move from one section to another.
Description
Indicates that a modulator fault condition exists.
Indicates that a demodulator/decoder fault condition exists.
Indicates that a common equipment fault condition exists.
Indicates that a fault has been logged and stored. The fault
may or may not be active.
Indicates that power is applied to the modem.
Indicates that the transmitter is currently ON. This indicator
reflects the actual condition of the transmitter as opposed to
the programmed condition.
Indicates that the decoder is locked.
Flashes when the modem is in a test configuration.
Function
Operation
4–3