Canon AS-100M Field Service Manual page 71

Connection of RS232C
(1) Pin assignment
Pin
1 FG (Protective Ground)
2 TXD (Transmitted Data)
3 RXD (Received Data)
4
RTS (Request to Send)
5
CTS (Clear to Send)
6
DSR (Data Set Ready)
7
SG (Signal Ground)
8
DCD (Received Line Signal Detector) Carrier: detector
20
TRDY (Data terminal Ready) DEVICE READY
(2) Connections
AS-100
' 1
FG
2
TOT
3
KXÖ
4
l2 v RTS
5
I CTS
f l O K ,
6
1 — t-DSR
7
12 V SG
8
T U)CD
flOK i
20
I — TRDY
* Connect device as in Fig. 4.3.6.
When the device has not some of the signals such as TXD, CTS
*
and DCD, these signals are required no connection.
O O O O O O O O O
O O O O o o o o o
RS232CPort (See Fig. 4.3.5 and 4.3.9)
Signal
Transmission data from DEVICE
Receiving data to DEVICE
Data transmission REQUEST
AS-100 is ready for sending
AS-100 READY
Note: Other pins are none connector.
1
2
3
4
5
6
7
8
20
Fig. 4.3.6
4-27
.
DEVICE
FG
TXB
RXI5
RTS
CTS
DSR
SG
DCD
TRDY
ElA Signal
AA
BA
BB
CA
CB
c c
a b
CF
CD