Comtech EF Data CDM-IP 300L - Manual (Page 6)

s:\tpubs\manuals\released_word\ip_cim\cdm-ip 300l_r1\cdm-ip 300l errata e-a1.doc 4
DISPLAY SELECTIONS/DESCRIPTION
RF MODE CONTROL
NORMAL
NORM - RF power is manually controlled
POWER - RF is OFF @ power up
COM - RF is OFF @ power up & no remote
communications in 10 seconds
CARRIER DETECT - RF is OFF when Carrier
Detect is lost
TX SYMBOL RATE
64.000 Kbps
Display only.
Displays current TX Symbol Data rate
between 4.8 to 2500 ksps
4.2.1.1.6.2 Utility - Demodulator
DISPLAY SELECTIONS/DESCRIPTION
UTILITY
DEMODULATOR
ASSIGN
RECEIVE FILTERS
Receive code rate/type selection. Select one
of the following or a variable rate selection (V),
as follows:
RX-x QPSK ½
Code Rate Data Rate Range
BPSK 1/2 2.4 to 1250 kbit/s
QPSK 1/2 4.8 to 2500 kbit/s
QPSK 3/4 7.2 to 3750 kbit/s
QPSK 7/8 8.4 to 4375 kbit/s
8-PSK 2/3 64 to 5000 kbit/s
OQPSK 1/2 4.8 to 2500 kbit/s
OQPSK 3/4 7.2 to 3750 kbit/s
OQPSK 7/8 8.4 to 4375 kbit/s
BPSK 1/1 4.8 to 2500 kbit/s
QPSK 1/1 9.6 to 5000 kbit/s
Notes: 1. Max Symbol Rate: 2500 kbit/s
2. Max Data Rate for Low Var Rate:
512.0 kbit/s.
RX TERMINAL LO
0 MHz MIX:-
Enter
“+” for high mix
Or
“-” for low mix
DECODER TYPE
VITERBI
Select Decoder type
VITERBI
SEQUENTIAL
TURBO (Only in Custom Mode)