RS-485 and USB configuration: Figure 8 shows the RS-485 and USB
configuration.
3A, 3B
IBM cash drawer ports.
Note: Port 3A automatically detects an IBM cash drawer. Customers with
non-IBM cash drawers should read the voltage considerations
described in “Cash drawers” on page 18.
4A
IBM RS-485 primary display
5A IBM RS-485 primary POS keyboard
7 RS-485 printer
Note:
You cannot connect a RS-485 attached printer and a USB attached
printer to a unit at the same time. Only one printer can be connected
to the system at a time.
9A,
9B
RS-485 scanner, or a secondary RS-485 display.
C, B, A
USB ports. C (left port) is 24 V, B and A are powered 12 V.
79B 4A 5A
A
BC
Figure 8. RS-485 and USB configuration
Updated October 31, 2007
Chapter 1. Introducing the SurePOS 700 Models 7
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