Casio QT 6000 Service Manual - Page 44

] RS232C PORT batch test, When performing this test, fix loop back connectors to all COM ports.

Get Casio QT 6000 - 32 MB RAM PDF manuals and user guides View all Casio QT 6000 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 44 highlights

[ 17 ] RS232C PORT batch test [Function] This is the RS232C port batch test. The loop back test for RS232C port is performed by making the connection shown in the figure. The loop back test is performed from COM1 to COM 6 by the following setting by one time check. When performing this test, fix loop back connectors to all COM ports. [Operation] Operation : 4 0 ST Baud rate: COM1: 115 kbps, COM 2 - 6 : 9600 bps Check time: one time [LCD] COM BATCH 40 RTS1=1 Ǟ CTS1=1 OK DTR1=1 Ǟ DSR1=1 OK DTR1=1 Ǟ CD1=1 OK DTR1=1 Ǟ CI1=1 OK RTS1=0 Ǟ CTS1=0 OK DTR1=0 Ǟ DSR1=0 OK DTR1=0 Ǟ CD1=0 OK DTR1=0 Ǟ CI1=0 OK TxD Ǟ RxD OK RTS2=1 Ǟ CTS2=1 OK DTR2=1 Ǟ DSR2=1 OK DTR2=0 Ǟ CD2=0 OK DTR2=0 Ǟ CI2=0 OK TxD Ǟ RxD OK • • • END 40 COM 1 test result COM 2 test result The same display for COM2 appears for COM3 to COM6. Note that the actual display shows only a part of the results (not the whole as shown in the left). Figure : RS232C port connection COM1 COM2ȁCOM6 TxD TxD RxD RxD CTS ∗ RTS CTS ∗ RTS DTR DSR CD CI DTR ∗ ∗ DSR ∗ : output "1" Ǟ "0" from the output terminal and checks the input terminal. - 42 -

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
— 42 —
[ 17 ] RS232C PORT batch test
[Function]
This is the RS232C port batch test.
The loop back test for RS232C port is performed by making the connection shown in the figure.
The loop back test is performed from COM1 to COM 6 by the following setting by one time check.
When performing this test, fix loop back connectors to all COM ports.
[Operation]
Operation :
4
0
ST
Baud rate: COM1: 115 kbps, COM 2 – 6 : 9600 bps
Check time: one time
[LCD]
COM BATCH
40
RTS1=1
±
CTS1=1
OK
DTR1=1
±
DSR1=1
OK
DTR1=1
±
CD1=1
OK
DTR1=1
±
CI1=1
OK
RTS1=0
±
CTS1=0
OK
DTR1=0
±
DSR1=0
OK
DTR1=0
±
CD1=0
OK
DTR1=0
±
CI1=0
OK
TxD
±
RxD
OK
RTS2=1
±
CTS2=1
OK
DTR2=1
±
DSR2=1
OK
DTR2=0
±
CD2=0
OK
DTR2=0
±
CI2=0
OK
TxD
±
RxD
OK
•
•
•
END
40
COM 1 test result
COM 2 test result
TxD
RxD
CTS
RTS
DTR
DSR
C
D
C
I
TxD
RxD
CTS
RTS
DTR
DSR
COM1
COM2
±
COM6
∗
∗
∗
∗
: output “1”
±
“0” from the output terminal and checks the input terminal.
∗
Figure : RS232C port connection
The same display for COM2 appears for COM3 to COM6.
Note that the actual display shows only a part of the results (not the whole as shown in the left).