Comtech EF Data CDM-500 - Manual (Page 47)

Front Panel Operation CDM-500 Closed Network Satellite Modem
6–18 Rev. 1.3
The information displayed here is as follows:
Top line, left to right:
•
Receive Frequency
•
Receive Data Rate
•
Framing status (F = framing on, T = transparent)
Bottom line, left to right:
•
Modulation type (Q = QPSK, B = BPSK)
•
Code Rate
•
Descrambler state (D = Descrambler on, N = off)
•
Clocking Mode
•
Demod Sweep Acquisition range
•
RSI state (I = Receive Spectral Inversion on, N = off)
6.7.4 (INFO) BUFF (Buffer information)
BUFFER: ENABLED (TX=RX)
SIZE: +/-4096 BITS
This displays if the buffer is enabled or disabled, shows the exact clocking mode
(TX=RX, or TX<> RX), and the buffer size. Press Enter to return to the previous menu.
6.7.5 (INFO) EDMAC (Framing and EDMAC information)
FRAMING: ON
EDMAC MODE: ON (SLAVE)
This screen shows the framing mode, EDMAC mode, and shows if the unit is an
EDMAC MASTER or SLAVE. Press Enter to return to the previous menu.
6.7.6 (INFO) REMCONT (Remote Control information)
REM-CONTROL:ON RS485-4W
ADDRESS: 0001 19200 BAUD
This screen shows if the unit is in LOCAL or REMOTE mode, and gives details of the
electrical interface type selected, the unit’s address, and the baud rate selected. Press
Enter to return to the previous menu.
6.7.7 (INFO) MASK (Alarm mask information)
ALARMS MASKED:
RX-AIS TX-AIS
This shows, in the same format as the CONFIG, MASK sub menu, which alarms are
currently masked. If an alarm is not masked, a blank is displayed in the relevant screen
position.