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APPLICATIONS AND PROTOCOLS The model number on each scanner includes the scanner number and the 
default communication protocol for the scanner. 
Scanner  Version
Identifier Communication Protocol(s) 
14  RS232 - TXD, RXD, RTS, CTS, DTR, DSR 
47  Keyboard Wedge, Stand-Alone Keyboard and RS232 
Transmit/Receive 
MS9590 
Or 
MS9591  
(High Density Model)  106 
RS485, USB (Bi-Directional Serial Emulation Mode, 
Keyboard Emulation Mode or IBM OEM) and RS232 
Transmit/Receive 
EAS Equipped Models 
38-EAS  USB (Bi-Directional Serial Emulation Mode or Keyboard 
Emulation Mode) and RS232 Transmit/Receive with EAS 
MS9590 
40-EAS USB IBM OEM with EAS 
The MS9590 Keyboard Wedge Series (-47) is designed for keyboard emulation 
only.  Many RS232 configurable functions available in other Metrologic scanners 
are also available as keyboard wedge functions. 
The following items are the most important selectable options specific to the 
keyboard wedge interface: 
Keyboard Type 
• **AT (includes IBM® PS2 models 50, 55, 60, 80) 
•  IBM PS2 (includes models 30, 70, 8556) 
Keyboard Country Type 
• **USA  • Italian  • Swiss 
• Belgian  • Japanese  • Swedish/Finnish 
• French  • Russian Cyrillic  • Turkish 
• German  • Slovenian  • United Kingdom 
• Hungarian  • Spanish   
 Applicable for IBM® host applications 
**  Indicates a default setting.  Refer to the MetroSelect Single-Line 
Configuration Guide (MLPN 00-02544) or MetroSet2’s help files for 
information on how to change the default settings.