NCR 5972 用户手册
Chapter 2: Site Preparation
2-7
Electrical Environment
VFD AC Power Requirements
• 120 VAC, 60 Hz (US, Canada, and others) via a wall mount power
supply
• 90‐264 VAC, 50‐60 Hz via a Universal Input power supply
VFD DC Power Requirements
• 10 VDC to 14VDC (0.8 A max. at 12VDC)
LCD AC Power Requirements
• No AC P/S available. The LCD receives power from the host via a
powered RS‐232 connector.
LCD DC Power Requirements
• 10.6VDC to 13VDC (160mA max at 12VDC)
Operational Environment
System Configuration
The VFD communicates with the host via the parallel port or EIA‐232
serial port of the host. Both interfaces are active at the same time. The
display does not need to know which cable it is connected to.
However, both interface cables cannot be connected to the unit at the
same time.
serial port of the host. Both interfaces are active at the same time. The
display does not need to know which cable it is connected to.
However, both interface cables cannot be connected to the unit at the
same time.
The LCD communicates with the host via the serial port only.