| Physical Characteristics | 
| Dimension | 375(w) x 261(d) x 31 front - 70 top of lid)(h)mm | 
| Weight | 4.0kg | 
 | Power | 
| Power | Via keyboard interface or external plug pack | 
 | Interfaces | 
| Keyboard interface | PC, AT or PS/2 protocols (USB available upon request) | 
| Serial interface | 2 x RS232C (DTE) ports D9 connector | 
| Bar Code Decoder | Digital wand type (TTL) with AMP D9 connector | 
| Optional | 2x Serial DB9 and 1x Parallel BD25 with IO Expansion Board | 
 | Keyboard Layout | 
| Key matrix | 8 x 16 (128 keys) | 
| Spacing | 19.05 mm centres | 
| Reliability | 1,000,000 operations | 
The Model 250 Custom Keyboard can be uniquely configured to your customer requirements. 
Please contact Technical Support to discuss customisation and other options.