Comtech EF Data C5 - Manual (Page 207)

C5/K1/K3 Integrated Satellite Terminal System Operation
Rev. 0 4–81
4.6 Initial Defaults
Initial default settings for the Satellite Terminal System are listed in Table 4-5.
Table 4-5. Initial Defaults
Function C5 K1 K3 C5 ASYNC
Modulator Configuration
TX DATA RATE (kbit/s) 64 64 64 64
CODE RATE 1/2 1/2 1/2 1/2
MODULATION QPSK QPSK QPSK QPSK
TX IF FREQ (GHz) 6.425 14.500 14.500 6.425
RF OUTPUT OFF OFF OFF OFF
TX POWER (dBm) +32.0 +24.0 +29.0 +32.0
SCRAMBLER ON ON ON ON
DIFF ENCODER ON ON ON ON
CARRIER MODE Normal Normal Normal Normal
REED-SOLOMON ENCODER Note 1 Note 1 Note 1 Note 1
Demodulator Configuration
RX DATA RATE 64 64 64 64
CODE RATE 1/2 1/2 1/2 1/2
DEMODULATION QPSK QPSK QPSK QPSK
RX IF FREQ (GHz) 4.200 12.200 11.700 4.200
DESCRAMBLER ON ON ON ON
DIFF DECODER ON ON ON ON
RF LOOP OFF OFF OFF OFF
IF LOOP OFF OFF OFF OFF
BER THRESHOLD NONE NONE NONE NONE
SWEEP CENTER 0 Hz 0 Hz 0 Hz 0 Hz
SWEEP RANGE 70k 70k 70k 70k
REACQUISITION 0 SEC 0 SEC 0 SEC 0 SEC
REED-SOL DECODER Note 1 Note 1 Note 1 Note 1
Interface Configuration
TX CLK SOURCE SCT(INT) SCT(INT) SCT(INT) SCT(INT)
TX CLK PHASE AUTO AUTO AUTO AUTO
EXT-REF FREQ 1544K 1544K 1544K 1544K
BUFFER CLK RX (SAT) RX (SAT) RX (SAT) RX (SAT)
RX CLK PHASE NORM NORM NORM NORM
BASEBAND LOOP Off Off Off Off
INTERFACE LOOP Off (Note 2) Off (Note 2) Off (Note 2) Off (Note 2)
BUFFER SIZE 384 384 384 384
LOOP TIMING Off Off Off Off
TX DATA FAULT Note 2 Note 2 Note 2 Off
RX DATA FAULT Note 2 Note 2 Note 2 Off
TX 2047 Note 2 Note 2 Note 2 Off
RX 2047 Note 2 Note 2 Note 2 Off
ASYNC TX BAUD Note 3 Note 3 Note 3 1200
ASYNC RX BAUD Note 3 Note 3 Note 3 1200
ASYNC TX LENGTH Note 3 Note 3 Note 3 7
ASYNC RX LENGTH Note 3 Note 3 Note 3 7