Comtech EF Data CDM-710 Installation And Operation Manual page 305

CDM-710/L Broadcast Satellite Modem
Appendix B
Tx Clock Rate Acquisition
Programmed data rate ± 100 ppm.
ASI Transport Rate
270 Mbps for all data rates.
Impedance
75Ω
Return Loss
13 dB over 5 to 270 MHz.
Connectors
BNC Female.
Electrical Properties
Per EN 500083-9.
Packet Types
Burst or distributed.
Signal Types
Serial data.
Voltage Level Rx Out
• 800 mV ± 10% into 75Ω, (J2, J3 of PL/10881-3 or J2 of PL/10881-4).
• '1:1 Rx | J3' on PL/10881-4 is higher for 1:1 applications for 800 mV
typical after 3 dB combiner (Figure B-5).
ASI Data Loop 3 dB Frequency (Tx-ONLY)
• Wide – 2 Hz
• Narrow – 0.5 Hz
B–9
MN/CDM710.IOM
Revision 12