Terminal (J3); Remote (J4) - Radyne DMD2401 LB Installation And Operation Manual

Electrical Interfaces
Figure 5-1. DMD2401 LB/ST Satellite Modem w/ RS-422 Data Interface

5.2.3 TERMINAL (J3)

The Terminal Port (J3) pinouts are listed below in Table 5-2.
Table 5-2. RS-232 Terminal Port – 9-Pin Female "D" Connector (J3)
Pin Number
2 TxD
3 RxD
5 GND

5.2.4 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 below for the connector pinouts.
5-2
DMD2401 LB/ST L-Band Satellite Modem and ODU Driver
Signal
Transmit Data
Receive Data
Ground
Description Direction
Input
Output
–
TM075 – Rev. 1.3