User Manual

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The pinouts for both the MDI (NIC-type) and MDI-X (HUB/switch-type)
ports as shown below:
MDI Port Pinouts
MDI-X Port Pinouts
8-pin RJ45
Pin
Signal
1
Tx+
2
Tx-
3
Rx+
6
Rx-
Pin
Signal
1
Rx+
2
Rx-
3
Tx+
6
Tx-
RS-232/422/485 Serial Port
The AWK-1137C has 1 RS-232/422/485 serial port with DB9 connector
for serial-to-WLAN connectivity. The pin assignments for the serial
ports are shown below:
Pin RS-232
RS-422/485
(4W)
RS-485
(2W)
1
DCD
TxD-(A)
2
RxD
TxD+(B)
3
TxD
RxD+(B)
Data+(B)
4
DTR
RxD-(A)
Data-(A)
5
GND
GND
GND
6
DSR
7
RTS
8
CTS
9
LED Indicators
The front and side panel of the Moxa AWK-1137C contains several LED
indicators. The function of each LED is described in the table below:
LED
Color
State
Description
SYS
Green
On
System start up complete and the
system is in operation
Blinking +
Beeps
(Interval: 1
second)
Device has been located by the
Wireless Search Utility
Red
On
System is booting or a system
booting error has occurred
Blinking
(Interval: 0.5
second)
IP address conflict
Blinking
(Interval: 1
second)
Cannot obtain an IP address from the
DHCP server
WLAN
Green
On
(RSSI > 35)
WLAN interface has connected
Blinking
Data communication via WLAN
Amber
On
(RSSI < 35)
WLAN interface has connected
Blinking
Data communication via WLAN