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1. 7
Error Detection
1) Parity Check:
YRC (vertical redundancy check), EVEN ODD, NO-PARITY, and IGNORE.
2) Framing Error: Identifies when there is no S1DP BIT within a frame specified by the START BIT.
3) Overrun Error: Identifies when the next data are input before the current data are read by the
printer.
Note: If any of the above errors occur, the erroneous data are printed intact. An error in Dot Cor-
responding Graphics is also printed intact.
1.8
Connector Pin Assignment Table
Note: "C" =Connected;
RS232C
"NC"=Not Connected
PIN-NO.
Symbol
Descriptions
Direction
RDY/BSY X ON/X OFF
1
FG
Frame Ground
c
c
*(2)
SD
Send Data
Output
NC
c
3
RD
Received Data
Input
c
c
4
RTS
Request to Send
Output
NC
c
5
CTS
Clear to Send
Input
NC
c
6
DSR
Data Set Ready
Input
NC
c
7
SG
Signal Ground
c
c
8
CD
Carrier Detect
Input
NC
c
20
DTR
Data Terminal Ready
Output
c
c
*(2)
CER
Carrier Error
Output
c
NC
14
FAULT
Fault
Output
c
c
Fig. Appendix B 1-1 Connector Pin Assignments
1.9
Applicable Connector (RS232C)
Plug (cable side:)
DB-25P (made by JAE) or the equivalent (male)
Receptacle (printer side):DB-25SA-N (made by JAE) or the equivalent (female)
3
2
l
............___
0
0
0
~5 ~4
---..._..
l°s f4
Fig. Appendix B 1-2 RS232C Connector
8-2
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