
Model 125X MiniPrinter Series User’s Manual
27
Model 1253
20 mA Current
Loop Version
Pin No. Signal
Direction
Description
1* Chassis
ground
-
Cable
shield
23
(RD) Received data(-)
From printer
Printer data return line
25
(RD) Received data(+) To printer
Printer data input line
*Optional
1. Connectors
On the printer: 25-hole receptacle, equivalent to
DB-25S
On the cable: 25-pin plug, equivalent to DB-25P
2. Cable
Use cable less than 2500 feet long.
A shielded
cable using twisted pair conductors is desirable.
Содержание 125X
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