NCR Decision Mate V - Page 76

Figure 2.39 RS-232C cables (2 of 2)
The signals to and from the adapter are standard RS-232-C
signals; Figure 2.40 defines the required voltage levels for correct
operation; Figure 2.41 defines the standard RS-232-C interface
signals.
+ 3 V ... 12V
- 3V ... 12V
MAX. INPUT
VOLT. 25V
Figure 2.40 RS-232C voltage levels
2-60