
 26 
APPLICATIONS AND
P
ROTOCOLS
The model number on each scanner includes the scanner number and factory 
default communication protocol. 
Scanner  Version Identifier  Communication Protocol(s) 
00  Laser Emulation and RS232 Transmit/Receive 
11  RS485, RS232 - TXD, RXD, RTS, CTS 
14  RS232 - TXD, RXD, RTS, CTS, DTR, DSR 
38  Low Speed USB,  
Serial Emulation or Keyboard Emulation 
40  Full Speed Integrated USB 
41  RS232/Light Pen Emulation 
MS9520 
Or  
MS9540 
47  Keyboard Wedge, Stand-Alone Keyboard and  
RS232 Transmit/Receive 
  Applicable for IBM® host applications. 
The MS9520/9540 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 are the most important selectable options specific to keyboard 
wedge: 
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   
**  Indicates a default setting (see pages 33 - 37 for additional information).  
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.