External Device Connection Method - Mitsubishi AJ65BT-R2N-U-HW User Manual

Melsec-a series, cc-link system rs-232 interface module
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5.2 External Device Connection Method

(1) Connection examples
The AJ65BT-R2N cannot use the CD signal as the control signal for
sending/receiving data to/from the external device.
Wire the CD signal line of the AJ65BT-R2N and external device as
shown in Table 5.1.
(a) Connection example where DC code control and DTR/DSR
(ER/DR) control are executable
Table 5.1 DC code control and DTR/DSR (ER/DR) control
AJ65BT-R2N side (DTE)
Signal name
Pin No.
SD
RD
RS
CS
DR
SG
CD
ER
(b) Connection example only DC code control is executable
Table 5.2 Connection example only DC code control is executable
AJ65BT-R2N side (DTE)
Signal name
Pin No.
SD
RD
RS
CS
DR
SG
CD
ER
Cable connection and signaling
3
2
7
8
6
5
1
4
Cable connection and signaling
3
2
7
8
6
5
1
4
18
External device (DTE)
Signal name
SD
RD
RS
CS
DR
SG
CD
ER
External device (DTE)
Signal name
SD
RD
RS
CS
DR
SG
CD
ER

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