Salter Brecknell CS-250 - Manual (Page 18)

CS-250 Series Chair Scales Service Manual
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10. RS-232 OUTPUT
The CS-250 Series of scales can be ordered with an optional RS-232 output.
Specifications:
RS-232 output of weighing data
ASCII code
600~9600 Baud
No Parity
RS-232 (9pin D type connector)
Pin ２ RXD Input Receiving data
Pin ３ TXD Output Transmission data
Pin ５ GND ― Signal ground
9pin D Connecter:
Scale Computer/Printer
Pin 2: Pin 3
Pin 3: Pin 2
Pin 5: Pin 5
Note: If data is not getting in PC/Printer, want to inter-change one of the Pin 2
and Pin3 connections
１ ２ ３ ４ ５
６ ７ ８ ９