Oki POS 425S User Manual
Page 63

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Developer’s Guide: English
63
5.3.4 Customer Display connector (OKI Standard RS-232C Interface Type)
1
Customer Display Connector Signals
A25015.doc
Pin No.
Signal Name
Direction
Function
1
FG
-
Frame ground
2
NC
-
Not Connected
3
TD
To Customer Display
Data to Customer Display
4
DTR
To Customer Display
+12VDC Power supply
5
DSR
From Customer Display
Indicates that data can be sent
6
EL
-
Signal ground
7
+24V
To Customer Display
+24VDC power supply
8
EP
-
Power ground
Note
Pin arrangement
OP425_08.eps
1 2 3 4 5 6 7 8
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