Comtech EF Data CDM-IP 300L User Manual
Page 59
CDM-IP 300L IP-Centric Satellite Modem
Rev. 1
CD/CDMIP300L.IOM
31
Table 7. Remote Control Specifications
Serial Interface
RS-232
or
RS-485 (2/4-wire)
Signals Controlled or Monitored
Terminal Frequency
Transmit Power
Data Rate Select
RF Loopback (L-Band)
Scrambler (On/Off)
Receive Carrier Detect
Power Supply Voltages
Field Upgradability
Receive Frequency
Transmitter On/Off
IF Loopback (L-
Band)
Raw Error Rate
Receive Signal
Level
Fault Status
Error Threshold
Alarm
Configuration Retention
Will maintain current configuration for at least
1 year without power.
Table 8. BER Specifications
Viterbi Decoder
BPSK (1/2 Only), QPSK, and OQPSK
8-PSK
BER
1/2 3/4 7/8 2/3
10
-5
10
-6
10
-7
10
-8
5.3
6.0
6.6
7.2
6.4
7.2
7.9
8.5
7.6
8.3
8.9
9.6
–
8.7
9.5
10.2
Concatenated Reed-Solomon Codes
BPSK (1/2 Only), QPSK, & OQPSK
8-PSK
BER
1/2 3/4 7/8 2/3
10
-6
10
-7
10
-8
4.1
4.2
4.4
5.6
5.8
6.0
6.7
6.9
7.1
6.1
6.4
6.6