Chino KP3000 - 8-1. Message transmission mode

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7-3. RS-232C connection
KP uses sending, receiving and Signal Grand (SG) only and does not use any other control signal.
In general PC as controlling is done by control signal, it does not operate just by connecting 3 signal
wires. As the wiring process in the connector, differs on how the PC controls the control signal, see the
instruction manual of the PC that is being used.
Precautions
RS-232C cable length is maximum 15m. NEC make PC98 series 9 pin
connector is 'Wiring example 1' and 25 pin connector is connected as
shown in 'Wiring example 2'.
[Wiring example 1]
[Wiring example 2]
25 pin connector for PC
（PC-98 series）
K
P
25
24
14 15 16
17
18 19
20 21
22
23
1312
11
10
１
２
３
４
５
６７
８ ９
RS CS DR
ER
RD
SD
SG
9 pin connector for PC
（PC-98 series/IBM-PC･AT）
６ ７
８ ９
１
２
３
４
５
ER CS
DR RS
K
P
RD
SD
SG