Users Manual

MDS 05-6399A01, Rev. G MDS™ Master Station 103
Figure 6-4. Ethernet Port (RJ-45) Pinout
(As viewed from the outside)
Table 6-5. Ethernet Interface Pin Descriptions
Pin Functions Ref.
1 Transmit Data (TX) High
2 Transmit Data (TX) Low
3 Receive Data (RX) High
4 Unused
5 Unused
6 Receive Data (RX) Low
7 Unused
8 Unused
COM1 Interface
COM1 supports the RS-232 serial data format at serial data rates of 300, 1200, 2400, 4800, 9600,
19200, 38400, 57600, and 115200 bps (asynchronous only).
Figure 6-5 COM1 Connector (RJ-45)
(As viewed from outside the unit)
COM1 is hard-wired as a DCE device.
Table
6
-
6
.
COM1 Pin Descriptions
Pin
Number
Radio Input/
Output
Pin Description
1 OUT
DSR (Data Set Ready)
2 OUT
DCD (Data Carrier Detect/Link)—A high indicates
signal received.
3 IN
DTR (Data Terminal Ready)
4 --
Ground—Connects to ground (negative supply
potential) on chassis.
5 OUT
RXD (Received Data)—Supplies received data to the
connected device.
Ground—Connects to ground (negative supply
potential) on chassis.
6 IN
TXD (Transmitted Data)—Accepts TX data from the
connected device.