Epson IR-320, Техническое справочное руководство

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1-16 IR-320 System Overview Rev. C
Functions of JP3 and DSW1
The functions of the three jumpers and the DIP switch are shown below.
Up = Off; Down = On
Start-up mode
By switching to the enforced boot mode, it is possible to start up the system using the default
settings. This mode is designed for instances when start-up is impossible because of
overwriting of firmware and system variables. The enforced boot can be performed only
from an external keyboard. The MSR, 28-key keypad, and similar devices cannot be used.
Country setting
The country setting amends the default settings (such as MSR readers, K/B settings, and
28-key and 84-key default settings) when the settings are initialized and during an enforced
boot start-up.
JP3: Use this jumper to make a TM printer reset using RTS or DTR effective.
DSW1:
Use this DIP switch to select the default value of the country mode of the MSR. And also use the
switch when the keyboard cannot be used due to a setting error.
JP3 settings (TM reset enable/disable setting for RTS and DTR)
JP3 Dedicated TM reset
1-2 Reset enabled for RTS and DTR
2-3 (default) Reset disabled for RTS and DTR (reset only with RSTDRV)
DSW1 settings (DIP switch settings for keyboard controller)
SW Description
4 (default: OFF) Start-up mode (OFF: normal mode; ON: system boot)
SW1 SW2 SW3 Country
OFF OFF OFF US (Default)
ON OFF OFF Japan
OFF ON OFF France
ON ON OFF German
OFF OFF ON Spain
POS board
DSW1
4 1
ON
1 3
JP3