Rcs10 modem and redundant control system – Comtech EF Data RCS10 User Manual
Page 239

Warranty Policy
RCS10 Modem and Redundancy Control System
Page 5-2
TM058 - Rev. 2.3
RCS10 Modem and
Redundant Control System
System
Number of Modems: Up to ten (10) DMD10 modem modules. Back-up Modems: Up to two (2)
DMD10 modems may be designated as backup modems.
Possible Redundancy
Configurations:
1 to 9 non-redundant modems
One configuration, 1:1 through 1:9
One configuration, 2:2 through 2:8
Two independent 1:N configurations
Power:
Two independent AC power supplies
Modulator
Modulation:
BPSK, QPSK, (8PSK, OQPSK, Optional)
Data Rates:
9.6 Kbps to 8.448 Mbps, 1 bps steps
IF Tuning Range:
50 to 180 MHz in 1 Hz steps
IF Impedance:
75 ohms
IF Connector:
BNC (At RCS10 Back Panel)
IF Return Loss:
20 dB Minimum
Output Power:
-20 to + 5.0 dB in 0.1 dB steps
Output Stability:
±
0.5 dB
Output Spectrum:
Meets IESS308/309 Power Spectral mask
Spurious:
< -55 dBc
On/Off Power Ratio:
> 60 dB
Scrambler:
CCITT V.35 or IBS (Others optional)
Encoder:
Viterbi, K=7 (Sequential optional)
Code Rates:
1/2, 3/4 and 7/8
Data Clock Source:
Internal or External
Internal Stability:
±
1 X 10
-5
Demodulator
Demodulation:
BPSK, QPSK (8PSK, OQPSK optional)
Data Rates:
9.6 Kbps to 8.448 Mbps, 1 bps steps
IF Tuning Range:
50 to 180 MHz in 1 Hz steps
IF Impedance:
75 ohms
IF Connector:
BNC (at RCS10 Back Panel)
IF Return Loss:
20 dB Minimum