LOCAL BUS
1 16 6
GP-IB
IF-70GU
CN2
CN4
CN3
CN1
USB
Connects to a controller, such as the controller of a LAN switching hub.
Connects to the USB port of a PC or USB hub.
Connects to the local bus. A dedicated modular cable is required to
connect to the local bus.
Connects to the power unit. For details about how to connect to the power
unit, see the IF-71LU instruction manual.
Short-circuits the frame GND and signal GND of the LAN and USB.
CN 2 is used to eliminate ground loops in noisy environments.
Connects to the terminator of the local bus and the internal bus when the
circuit is closed. In the local bus, a terminator is required for the power
supply units at each end of the signal line or for stand alone.
Switches between LAN and USB operation.
The LAN operates when the circuit is closed, while the USB operates
when the circuit is open.
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