Eizo SQ2801 - page 25

2.3.3 RS232-1 Interface
This RS232 interface is used for communication with the host machine (workstation). Three different
protocols are available which are described in chapter 4 on page 43.
In addition, this interface is used for monitor firmware updates
NOTE Only the RS232-1 interface can be used for monitor firmware update.
Connector Assignment: Connector type: 9 pin D-Sub-socket
2.3.4 RS232-2 Interface
This RS232 interface is used for communication with the host machine (workstation). Three different
protocols are available which are described in chapter 4 on page 43. The additional handshake
signals serve to communicate with a workstation via the DDM protocol.
Connector Assignment: Connector type: 9 pin D-Sub-socket
Pin Signal
1 NC
2 TXD (Output)
3 RXD (Input)
4 DSR (Input)
5 GND
6 DTR (Output)
7 NC
8 NC
9 NC
Pin Signal
1 NC
2 TXD (Output)
3 RXD (Input)
4 NC
5 GND
6 NC
7 NC
8 NC
9 NC
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