Comtech EF Data MD2401 - Manual (Page 85)

MD2401 L-Band Multi Demod Installation and Operation Manual Rear Panel Interfaces
MN-MD2401 5–5
Revision 7
Table 5-2A. Serial Control Interface Port (J3) - 25-Pin ‘D’ Female
Pin No. RS-232 Signal Name RS-485 Signal Name Direction
9 TXD TXD-B Output
10 TXD-A Output
16 RXD RXD-B Input
3 RXD-A Input
7 GND GND ---
Table 5-2B. AGC Monitor (J3) - 25-Pin ‘D’ Female
Pin # Signal Description Direction
5 AGC AGC Out Output
7 GND Ground ---
J3 Remote Control Interface allows user to directly access each demodulator
individually. J5 is the primary mode of serial remote control. Do not use J3 and
J5 simultaneously.
5.7 RX IN
5.7.1 L-Band (J4)
The Receive Input (J4) is the 950 – 1750 MHz Demodulator IF Input. It is a SMA (1) Connector.
5.8 Remote Port (J5)
The Remote Port (J5) is an RS-485 interface a single port used for remote monitor and control of
all demodulators. It is a female 9-pin D-Sub connector. Refer to Table 5-3 for connector pinouts.