Sharp UP-600 Service Manual page 7

7. RS232 INTERFACE
This machine have two the RS232 standard port for the communication to PC, Hand scanner (ER-A6HS1) and etc.
1) PORT 1 (CH1) (CN402)
Connector type: D-SUB 9pin
Data rate: max. 38,400 bps
/CD
1
2 RD
3 SD
4 /ER
5 GND
VCC(+5V)
/DR
6
/RS
7
S401
/CS
8
9
3) OPTIONAL DEVICES THAT CAN BE CONNECTED
Port No.
Type
CI/+5V selectable
ER-A6HS1 (+5V necessary)
Scanner (+5V not necessary)
Modem
PC
Printer, Scale
POS utility, 02fd.exe
The ER-A6HS1 cannot be connected to port 2 because it requires
+5V.
The modem cannot be connected to port 2 because it uses a
different signal line.
For the conversion cable for the D-sub 9 pin and modular RJ-45,
see the following.
Moduler RJ45
CI
CD
/RS 1
/ER 2
S404
SD 3
4
GND 5
S403
RD 6
/DR 7
GND VCC
/CS 8
(+5V)
/CI
Standard port
Port1: CH1
D-SUB 9pin
–
D-sub 9pin
7 /RS
4 /ER
3 SD
/CD
1
5 GND
2 RD
6 /RS
8 /CS
(Open) 9 /CI
2) PORT2 (CH2) (CN403)
Connector type: Modular jack RJ45 8pin
Data rate: max. 115,200 bps
CD
1 /RS
2 /ER
S404
3 SD
4
5 GND
S403
6 RD
7 /DR
GND
/CS
8
Port2: CH2 Port3:
Moduler RJ45 D-SUB 9pin
–
–
–
–
CI
VCC
(+5V)
Option port (ER-A5RS)
Port4:
D-SUB 9pin
–