Comtech EF Data SNM-1001 - Manual (Page 18)

SNM-1001 Network Control Modem Introduction
Rev. 1 1–7
Remote Control Specifications
Serial Interface EIA-232, baud rate is19,200 bit/s.
Signals Controlled/Monitored Transmit Frequency
Receive Frequency
Transmit Power
Transmitter ON/OFF
IF Loopback
RF Loopback
Baseband Loopback
Scrambler ON/OFF
Descrambler ON/OFF
Sweep Center
Filter Mask
Raw Error Rate
Corrected Bit Error Rate
Receive E
b
/N
0
TX Clock Internal/External
RX Clock Normal/Invert
Receive Signal Level
Receive Carrier Detect
Power Supply Voltages
Fault Status
Stored Fault Status
Configuration Retention Will maintain current configuration for at least one year without
power
Addressing Programmable to 1 of 255 possibilities
Address 0 reserved for global addressing
The Bit Energy-to-Noise Ratio (E
b
/N
0
) required to achieve 10 -6 to 10 -9 bit error rate in
Burst mode is listed in Table 1-3.
Table 1-3. Burst Mode BER Specifications
E
b
/N
0
BER PER ACQ
6 dB 6.4 -4 6.3 -2 93%
8 dB 1.1 -4 9.1 -3 99%
Notes:
1. Burst mode performance is measured with a 100 byte packet.
2. BER values are measured with a packet long enough to allow 100 errors.