Table of Contents
Advertisement
AC output Fuse
If the fuse has blown, remove and exchange the fuse in the fuse holder on the back of the
power supply.
Electrical Capacity to External Devices
The total power capacities available to the devices that receive power supply from the board
inserted into the PCI slot; the serial ports COM1, COM2, COM5, and COM6; the keyboard/
mouse; and the USB port are shown below. Be sure the current consumptions do not exceed the
total power capacities listed below as to the voltages 5 V, +3.3 V, +12 V, –12 V, and +24 V (in the
same way as with the IR-320 but for +3.3 V).
External electrical capacity
Power supply
+5 V DC
+3.3 V DC
+12 V DC
–12 V DC
+24 V DC
Each of these ports is restricted to the capacity limits shown below.
Electrical capacity of each port
Port
COM ports
USB port
Keyboard
Drawer
CAUTION:
The USB port is not supported by Windows NT.
Lithium Battery
The IR-320 is internally equipped with a non-rechargeable Lithium Battery. This battery is used
for backing up the RTC and the CMOS RAM built in the RTC. This is different from the IR-310.
Battery type
Backup time
If the message "" cmos check sum error" " appears every time the system is started up,
replace the battery.
7-8 Hardware Specifications
Application
PCI slot, COM ports, keyboard, USB
PCI slot
PCI slot, COM ports
PCI slot
Dedicated printer, external TM power supply, drawer, customer display 2.0 A
Power supply
Supply capacity
+5 V DC
500 mA each (peak at 1 A/100 ms)
+12 V DC
500 mA each (peak at 1 A/100 ms)
+5 V DC
500 mA each (peak at 1 A/100 ms)
+5 V DC
500 mA each (peak at 1 A/100 ms)
+24 V DC
1 A
CR-2032
5 years
Total capacity
3.0 A
1.0 A
1.5 A
0.3 A
Remarks
The total for all four ports must not
exceed the value shown on the left.
—
—
—
Rev. C
Advertisement
Table of Contents
