Arestech MERA-2000 Series

25
User Manual
2.4 Connector Definitions
◼ PWR_SW2：Remote Power Switch
Connector Type：Terminal Block 1X2 2-pin, 3.5mm pitch
Pin
Definition
1
Power Button
2
GND
◼ COM1_1, COM2_1, COM3_1, COM4_1, COM5_1, COM6_1：RS232 / RS422 / RS485
Connector
Connector Type：9-pin D-Sub
Pin
RS232
Definition
RS422 / 485 Full
Duplex Definition
RS485 Half Duplex
Definition
1
DCD
TX-
DATA-
2
RxD
TX+
DATA+
3
TxD
RX+
4
DTR
RX-
5
GND
6
DSR
7
RTS
8
CTS
9
RI
◼ DC_IN1：DC Power Input Connector (+9~48V)
Connector Type: Terminal Block 1X3 3-pin, 5.0mm pitch
Pin
Definition
1
+9~48VIN
2
Power Ignition
3
GND
◼ LAN1_1, LAN2_1：LAN LED Status Definition
Link LED Staus
Definition
Steady Green
1Gbps Network Link
Steady Orange
100Mbps Network Link
Off
10Mbps Network Link