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Thin
The thin Ethernet connector is a BNC socket.
Core
Signal
Shield
Return
Twisted pair (TPE)
The unshielded twisted-pair Ethernet port is an RJ45 connector.
Pin
Function
1
Transmit data +
2
Transmit data -
3
Receive data +
4
Not used
5
Not used
6
Receive data -
7
Not used
8
Not used
Serial
The serial port uses a male 25-pin D-shell
connector.
Pin
2
3
4
5
6
7
8
12
13
14
16
19
20
22
All other pins are not connected.
Note
The Rev C system board does not provide the COM2 signals.
1
14
I/O
Signal name
O
Transmit data (COM1)
I
Receive data (COM1)
O
Request to send (COM1)
I
Clear to send (COM1)
I
Data set ready (COM1)
NA
Signal ground
I
Data carrier detect (COM1)
I
Data carrier detect (COM2)
I
Clear to send (COM2)
O
Transmit data (COM2)
I
Receive data (COM2)
O
Request to send (COM2)
O
Data terminal ready (COM1)
I
Ring indicate(COM1)
LS PRO HARDWARE TECHNICAL REFERENCE 2/21
System unit
1 2 3 4 5 6 7 8
13
25
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