Nidek Medical LM-1800P, Interface Manual

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6
RS-232C Communication and USB Communication
:
Basic Interface Specifications
MLM26*RTZ002F
2.1.2 Cable connection
Connect signal wires between the LM and the external device as shown above.
Be sure to connect a wire between RTS (7) and CTS (8) on the computer.
It is unnecessary connect a wire between RTS (4) and CTS (5) on the LM.
Use the DIN 8-pin connector (DIN Standard No.45329) on the LM.
In the above example, the D-Sub 9-pin connector is connected to the computer.
If the used connector is different from the D-Sub 9-pin connector, connect respective signal wires as
shown by referring to the instruction manual provided with the computer.
Use a special interface cable that is available as an option (OPIF-11, 5 m) between the DIN 8-pin and
D-Sub 9 pin connectors if necessary.
1
2
3
4
5
6 7
8
1
9
5
6
Signal name
Signal
Connector
Pin No.
Connection
Connector
Pin No.
Signal
Signal name
1 1
Transmit exchange Data
TXD 2 2 RXD
Received exchange Data
Received exchange Data
RXD 3 3 TXD
Transmit exchange Data
(Ready To Send)
RTS 4 4 DTR
Data Terminal Ready
(Clear To Send)
CTS 5 5 SG
Signal Ground
Data Set Ready
DSR 6 6 DSR
Data Set Ready
Signal Ground
SG 7 7 RTS
(Ready To Send)
Data Terminal Ready
DTR 8 8 CTS
(Clear To Send)
Frame Ground
FG Housing 9
Housing FG
Frame Ground
D-Sub 9P (Female) at the computer
DIN 8P at the LM
RS-232C cable (Option: OPIF-11, standard length of 5 m)
<LM-1800P/1800PD> <Computer (external device)>