13
Installation
3.4 Connection
The DR 2800 has two USB interfaces as a standard feature,
located on the back of the instrument (Figure 2).
The USB Type A interface is used for communications with a
printer, USB memory stick, barcode scanner, or keyboard. A USB
memory stick is used to update instrument software.
The USB Type B interface is used for communications with a PC.
The optional Hach Data Trans software (see section 5.2.6.3 on
page 33) must be installed on the PC for this use.
A USB hub may be used to connect several accessories at a time.
Note: USB cables must not be longer than 3 meters (10 feet).
These USB interfaces enable data and graphics to be output to a
Printer and a PC and upgrade instrument software (see
section 6.7.2 on page 98).
Figure 2 Interfaces
1 On/Off switch 4 Cover
2 USB type B 5 USB type A
3 Plug in power supply
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