Rs-232 Interface Specifications; Rs-232 Connector Specifications - Mitsubishi AJ65BT-R2N-U-HW User Manual

2.4 RS-232 Interface Specifications

2.4.1 RS-232 connector specifications

The following describes specifications of the RS-232 connector
connected to the external device.
Figure 2.1 RS-232 connector(Seen from the front of the module)
Pin No. Mnemonic
1 CD
2 RD(RXD)
3 SD(TXD)
4 DTR(ER)
5 SG
6 DSR(DR)
7 RS(RTS)
8 CS(CTS)
9 Unused
5 4 3
9 8
Table 2.3 RS-232 connector specifications
Signal name
Receive carrier detect
Receive data
Send data
Data terminal ready
Signal ground
Data set ready
Request to send
Clear to send
-
2 1
7 6
AJ65BT-R2N
5
Signal direction
External
device
-