IBM 4685-L0D Setup, Operation, And Service Manual page 27

Figure 1-2. Portable scanner
Figure 1-3. Targeted handheld scanner
The scanner should be connected to your POS terminal, with the POS interface
cable supplied with the scanner. The cable should be connected to one of the
following ports:
M/T 4694 POS terminal directly: Port 9/E or 9
M/T 4614 POS terminal: Port C or D
SurePOS 700 Series (F/C 9540): Port USB
M/T 4674 POS terminal: Port scanner connector
A POS terminal that has a USB or RS-485 interface recognizes the 4685-L0D
scanner as a handheld scanner.
Chapter 1. Description, specifications, and dimensions
1-3