92 LXE Diagnostics
MX1 Reference Guide E-EQ-MX1RG-D
RS-232 Endcap COM Port
Loopback Configuration
7 RTS CTS 8
DCD 1
3 TX RX 2
4 DTR DSR 6
RI 9
Figure 5-2 RS-232 Endcap COM Port Loopback Configuration
RS-232/Scanner Endcap
Connector
6
1234
5
7
89
Figure 5-3 MX1 RS-232/Scanner Endcap Serial Connector (COM1) and Pinout
Pin Signal Description
1 DCD Data Carrier Detect – Input
2 RXD Receive Data – Input
3 TXD Transmit Data – Output
4 DTR Data Terminal Ready – Output
5 GND Signal/Power Ground
6 DSR Data Set Ready – Input
7 RTS Request to Send – Output
8 CTS Clear to Send – Input
9 RI
or
+5V DC
Ring Indicator – Input (Default)
or
Bar Code Scanner Power -400mA max
(Use BIOS Setup software to configure)
RS-232/Scanner Endcap COM
Port Loopback Configuration
7 RTS CTS 8
DSR 6
3 TX RX 2
Figure 5-4 RS-232/Scanner Endcap COM Port Loopback Configuration
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