3 ] interface specifications, Interface specifications – Denso BHT-100Q User Manual
Page 178
162
Signal Input/Output
External
device
[ 3 ] Interface Specifications
RS-232C Interface Port (Dsub-25S) on the CU-7000
25
13
14
1
1
FG
Frame ground
—
2
SD
Send data
→
3
RD
Receive data
←
4
RS
Request to send
—
5
CS
Ready to send
—
6
DR
Data set ready
—
7
SG
Signal ground
—
8
CD
Carrier detect
—
20
ER
Data terminal equipment ready
—
CU-7000
Pin No.
Signal
Functions
Shown below is a diagram of the internal connection in the CU-7000.
2
7
8
20
6
5
4
3
1
SD
SG
CD
ER
DR
CS
RS
RD
FG
Not used.
RS-232C
Interface
Circuitry
Optical
Communications
Interface
Circuitry
BHT
Optical Interface
CU-7000
Signal
Name
Pin No.
Host computer,
modem, or
other devices
This manual is related to the following products: