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11
3-2. Connector Information
3-2-1. RS-232C Connector
See ‘Appendix. RS-232C Control Commands’ for command and request codes plus related
information.
u
Pin Assignment
Pin No.
Signal
Remarks
Direction
1
DCD
Pins 4/6 repeat
–
2
TxD
Transmit data
OUT
3
RxD
Receive data
IN
4
DTR
Pins 1/6 repeat
OUT
5
SG
Signal ground
–
6
DSR
Pins 1/4 repeat
IN
7
CTS
Transmit ready
IN
8
RTS
Transmit request
OUT
9
RI
NC
–
u
Cable Wiring
An example of computer cable connection for control via RS-232C interface is shown below.
Note
that example is based on the use of a PC-AT type (IBM / IBM format) computers that
use straight wired type cables. Cable wiring may differ for other computer models. Consult
your CBC supplier if you need a differently wired cable.
CDR-16T side
RS-232C connector
9-pin D-sub (female)
PC side
RS-232C connector
9-pin D-sub (female)
Signal
Pin No.
Pin No.
Signal
DCD (I)
1
1
DCD (I)
TxD (O)
2
2
RxD( I)
RxD (I)
3
3
TxD (O)
DTR (O)
4
4
DTR (O)
SG (grd)
5
5
SG (grd)
DSR (I)
6
6
DSR (I)
CTS (I)
7
7
RTS (O)
RTS (O)
8
8
CTS (I)
RI (NC)
9
9
RI (NC)
Shell
Shell
9-pin D-sub (male)
T4. 0A
S CSI
68p in( Amp henol)
F
US
E
PUS
H
S E R . N o .
1 3
12
16
15
3
6
10
7
8
9
11
14
2
1
CA M ER A
O UT
AUT O
IN
MO N I TO R OU T
I N
R S- 23 2C
OU T
A UD I O
L
R
SC S I- A
R EM O T E
A LA R M
Y/ C
1
2
4
5
75Ω
AC100- 240V
-
50/ 60Hz IN