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DMD2401 LB/ST L-Band Satellite Modem and ODU Driver
Electrical Interfaces
5.4.13 RX DC VOLTAGE INDICATOR
The Receive DC Voltage Indicator shows if there is DC Voltage present at J1.
5.5 DMD2401 LB/ST with G.703 Data Interface with Drop and Insert
The DMD2401 LB/ST Satellite Modem w/ G.703 Data Interface with Drop and Insert is shown in
Figure 5-4.
Figure 5-4. DMD2401 LB/ST with G.703 Data Interface with Drop and Insert
5.5.1 RX DC POWER (J1)
The Receive DC Power Port (J1) is the 950 – 1750 MHz Demodulator IF Input. It may be a Mini
UHF (shown) or SMA Connector depending upon customer request.
5.4.2 TX DC POWER (J2)
The Transmit DC Power Port (J2) is the 950 – 1750 MHz Modulator IF Output. It may be a Mini
UHF (shown) or SMA Connector depending upon customer request.
5.4.3 TERMINAL (J3)
The Terminal Port (J3) pinouts are listed in Table 5-2.
5.4.4 REMOTE (J4)
The Remote Port (J4) is the RS-485 connection for remote monitor and control of the modem. It
is a 9-Pin Female "D" Connector. Refer to Table 5-3 for the connector pinouts.
TM075 - Rev. 1.3
5-13
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