Powered Serial Port Jumper Settings - NCR RealPOS 70XRT User Manual

Powered Serial Port Jumper Settings

The four serial ports have jumper options for either Ring Indicator (RI), fused +12 V,
or fused +5 V on pin 9. When set to powered each port is capable of supporting up to
1.5 A (Max.) and is protected with self‐healing poly‐fuse. The default setting for all
four ports is Ring Indicator.
RI
300-15
12V
5V
RI
300-15
12V
5V
RI
300-15
12V
5V
RI
300-15
12V
5V
Chapter 1: Overview 1-9
F4, 3 A, 125 V
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