Bay Technical Associates 529H - Manual (Page 48)

PROBLEM: CAN'T RECEIVE DATA FROM PERIPHERAL PORTS
CAUSE: Wrong peripheral port selected.
SOLUTION: If in Modes 1, 4, or 5, make sure the
host device sends the correct selection sequence
and/or request for message command. See
Section 5.2 .
CAUSE: Peripheral device's cable.
SOLUTION: Verify that the Tx and Rx signals as well
the handshake signals for the peripheral device
are connected to the correct signals on the H-
Series multiport. See
Section 4 .
CAUSE: Wrong Mode of Operation.
SOLUTION: Please review how to operate in the
various modes and verify that the Mode of
Operation you are operating in is the correct one
for your application.