User Manual

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Pin Assignment
E1 Series
Serial Signal Pins (MiiNePort E1 Series Modules)
Pin
Function
1
GND
2
VCC
3
Reset
4
Data Out
5
Data In
6
Ready/RTS
a
7
Reset to Default
b
8
CTS
c
a. Pin 6 can be configured as Ready/RTS (RequesttoSend), Ready/DO,
or RS-485 Tx Enabled (the default it Ready/RTS).
b. Pin 7 can be configured as Reset to Default, DIO, DTR, or RS-485
Tx Enabled (the default is Reset to Default).
c. Pin 8 can be configured as CTS (CleartoSend), DI, or DSR (the
default is CTS).
E2 Series
The bottom view of the MiiNePort E2 Series Module
JP1
Pin
Signal Name
Function
1
Ethernet Tx+
Ethernet Transmit Data+
2
Ethernet Tx-
Ethernet Transmit Data-
3
Ethernet Rx+
Ethernet Receive Data+
4
Ethernet Rx-
Ethernet Receive Data-
JP2
Pin
Signal Name
Function
1
100M LED
Ethernet 100M LED
2
10M LED
Ethernet 10M LED
3
LRXD
Receive Serial Data
4
LTXD
Transmit Serial Data
5
LDCD
Data Carrier Detect
6
RS485_EN
RS-485 Enable
7
LRTS
Request To Send
8
LDTR
Data Terminal Ready
9
LDSR
Data Set Ready
10
LCTS
Clear To Send