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Insertion and installation of the board
APCIe-7xx0
Fig. 3-21: Settings example: TTY (20 mA current loop)
Current flows (send):
Definition of the current flow in the transmit
current loop, i.e. the connection between the
APCIe-7xx0
board (transmitter) and the
peripheral device (receiver) in standby state
(no serial data stream)
Ticked: Current flowing
Not ticked: No current flowing
Current flows (reception):
Definition of the current flow in the receive
current loop, i.e. the connection between the
APCIe-7xx0
board (receiver) and the peripheral
device (transmitter) in standby state (no serial
data stream)
Ticked: Current flowing
Not ticked: No current flowing
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