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Access Easy Controller 2.1
Figure 5.4: Type3 CPU Board
Ethernet Connector
A Category 5 cable is connected from this RJ45 socket to the plug-in 100BaseT Ethernet card
located in the Central Monitoring Computer directly or via a hub. The table below shows the
pin configuration for the socket.
100Base-Tx Ethernet connector
1
3
5
7
Serial Port for Modem
This is a standard RS232 communication port used for modem connection. Refer to cable
connection for more details.
Serial Port for the interface board
This is a 9 pins serial port. The serial port is connected to the interface boards.
RS232 Serial Port
Pin
1
3
5
7
Robert Bosch (SEA) Pte Ltd
Tx+
Rx+
NC
NC
Signal
DCDB
TXDB
GND
RTSB
Hardware Installation Manual
2
4
6
8
Pin
2
4
6
8
The CPU Board | en
21
Tx-
NC
Rx-
NC
Signal
RXDB
DTRB
DSRB
CTSB
2018.11 | 1.0.6 | F.01U.122.796
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