Comtech EF Data CDM-740 - Manual (Page 36)

CDM-740 Advanced Satellite Modem Revision 0
Introduction MN-CDM740
1–12
1.5.3 Data Interfaces
IF Transmit Output 1 70/140 MHz Transmit Output port BNC (female)
L-Band Transmit Output 1 L-Band Transmit Output port Type ‘N’ (female)
L-Band Input 1 L-Band Input port Type ‘F’ (female)
L-Band Monitor Output 1 L-Band Monitor Output port Type ‘F’ (female)
External Reference
In/out As an input:
1, 2, 5 or 10MHz -6dBm to +10dBm (nominal 50/75
Ω)
As an output:
10MHz, 2.7 volts peak-to-peak +/- 0.4 volts, low impedance output
BNC (female)
Remote Control EIA-232 terminal interface for modem remote control and monitoring 9-pin D-sub (male)
1:1 Control Control interface for CRS-175L 1:1 Redundancy unit;
Tx, Rx traffic alarms and Unit faults 9-pin D-sub (male)
Ethernet Management 1 port of 10/100 BaseT auto-sensing full/half duplex Ethernet RJ-45
Ethernet 2 ports of 10/100/1000 BaseT auto-sensing full/half duplex Ethernet RJ-45
1.5.4 Data Rate Ranges
Refer to Table 5-1 through Table 5-4 for data rate/symbol rate information.