
| Product introduction | 
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| This network connection LED is on when the 4810/4910 is connected to a | |
| hub or switch. | 
| 
 | This LED blinks during receive/send transmission. | 
| 
 | 
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| 
 | Rear connectors | 
| See the rear connector for your 4810/4910 model: | |
| v Go to “Rear connectors 4810 (31x models).” | |
| v Go to “Rear connectors 32x models” on page  | |
| Rear connectors 4810 (31x models) | |
| Figure  | |
| 
 | Note: Not sure whether placing 4910 in the heading is correct. Please advise | 
| 
 | whether the 4910 models would follow the current grouping of the rear | 
| 
 | connectors for the 4810 models 31x and 32x. If not, how should the 4910 be | 
| 
 | incorporated? | 
voltage switch
| 
 | C | D | 
| A | B | Ethernet | 
Figure 1-3.  31x models rear view connections. Note the location of the voltage selection switch.
 A
 A
 B
 B
 C
 C
 D
 D
USB ports.
Parallel port. Optionally, you can plug a 
SVGA display port.
Port for external serial devices, such as a scale or a scanner. This port is COM1.
Port for a second external serial device. This port is COM2.
Port for a third serial device, which is 12 V powered.
Port for a fourth serial device, which is 12 V powered.
