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2.3.12 RS-232C connector
The
RS-232C
connector located on the rear panel of the MD8470A is a 9-
pin D-Sub (female) connector for connecting to an external PC, etc.
The rear panel of the MD8470A has the
Call Proc Serial I/O
connectors
which are identical 9-pin D-Sub connectors (female). Check the connec-
tor labels when connecting and be careful so as not to connect to the
wrong connection point.
Table 2.3.12-1 RS-232C connector
Pin
Signal Name
Function
1
CF(DCD)
Carrier detection (input to the MD8470A)
2
BB(RXD)
Reception data (input to the MD8470A)
3
BA(TXD)
Transmission data (output from the MD8470A)
4
CD(DTR)
Data terminal ready (output from the MD8470A)
5
AB(GND)
Grounding
6
CC(DSR)
Data set ready (input to the MD8470A)
7
CA(RTS)
Signal request (output from the MD8470A)
8
CB(CTR)
Transmit enabled (input to the MD8470A)
9
CE(R)
Ring indicator (input to the MD8470A)
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