Comtech EF Data SDM-9000 - Manual (Page 74)

Configuration SDM-9000 Satellite Modem
3–16 Rev. 4
3.6.3 Modem Defaults
With certain exceptions, the M&C default settings are loaded into the modem after a
hard reset (refer to Chapter 4). The defaults are listed in Table 3-6.
In the case of the exceptions, the settings last saved are retained. Exceptions include the
following:
•
Address
•
Parity
•
Baud Rate
•
Ext AGC: Minimum Pwr
•
Ext AGC: Maximum Pwr
•
Display Contrast
Table 3-6. Modem Defaults
Modulator Defaults Demodulator Defaults
Data Rate (See Note) TX Rate A Data Rate (See Note) RX Rate A
IF Frequency 70 MHz IF Frequency 70 MHz
IF Output OFF Differential Decoder ON
Mod Power Offset 0 dB IF Loopback OFF
TX Power Level 0.0 dBm RF Loopback OFF
Differential Encoder ON BER Threshold NONE
Carrier Mode Normal (OFF) Demod Spectrum Normal
Mod Spectrum Normal
Interface Defaults
Buffer Clock Source RX Satellite Descrambler ON
TX Clock Phase Normal Buffer Size 12 ms
RX Clock Phase Normal Service Channel TX1 -5 dBm
Ext-Ref Freq. 5000.000 kHz Service Channel TX2 -5 dBm
B-Band Loopback OFF Service Channel RX1 -5 dBm
Intrfc Loopback OFF Service Channel RX2 -5 dBm
TX Coding Format AMI Loop Timing OFF
RX Coding Format AMI TX Overhead Type NONE
TX 2047 Pattern OFF RX Overhead Type NONE
RX 2047 Pattern OFF TX Data Phase Normal
TX Data Fault NONE RX Data Phase Normal
RX Data Fault NONE IDR B/W Alarm Control ON
Descrambler Type IDR Scrambler ON
Scrambler Type IDR Scrambler Defaults ON
System Defaults
Operation Mode Duplex Remote Address (See Note) 1
Baud Rate (See Note) 9600 Time 12:00 AM
Parity (See Note) EVEN Date 11/21/94
Ext AGC: Min Pwr (See Note) 10.0V Ext AGC: Max Pwr 0.0V
Note: All code rate/data rate information is read from the modulator/demodulator filter
boards on power-up. If a board is missing or the filters were not installed per order,
“N/A” (Not Applicable) will be displayed on the front panel.