Chapter 7. Caution To Be Used When Connecting The Rs-232 Cable - Sharp XE-A302 Service Manual

APPENDIX: RS232C CABLE
The RS-232C cable has the following internal connections:
(Equivalent to a cross cable used in the conventional connection of
ECR-ECR)
9PIN D-SUB
SD 3
RD 2
7
RTS
DCD 1
DTR 4
DSR 6
CTS 8
SG 5
SD : TRANSMITTED DATA
RD : RECEIVED DATA
DTR : DATA TERMINAL READY
DSR : DATA SET READY
RTS : REQUEST TO SEND
DCD : DATA CARRIER DETECTOR
CTS : CLEAR TO SEND
CHAPTER 7. CAUTION TO BE USED
When connecting the RS-232 cable to the XE-A302, be sure to observe
the following condiiton:
9PIN D-SUB
3 SD
2 RD
7
RTS
1 DCD
4 DTR
6 DSR
8 CTS
5 SG
XE-A302U CAUTION TO BE USED WHEN CONNECTING THE RS-232 CABLE
– 16 –
WHEN CONNECTING
THE RS-232 CABLE
Use RS-232 cable (with core) of accessories.
[This is a necessary to support the EMI (Electronics Magnetic
Interface).]
RS-232 CONNECTOR
Use RS-232 cable
(with core) of
accessories.