Gasboy CFN Series Diagnostic Manual - Manual (Page 424)

CFN Islander
13-56 12/26/02
Possible Cause Checks Corrective Action
Modem is connected to the
wrong port (external modem). Check that the cables from
the terminal blocks are
connected to the correct
connector on the site
communications I/O board.
The brown wire from the
cable connects to pin 1 of the
connector. Pin 1 of the cable
must align with pin 1 of the
board connector it is attached
to.
Check field wiring to terminal
blocks.
For connection to the locale
port (port 0 or 1 on Islander
II), P3 for RS-232, P5 for RS-
422. For the remote port
(port 2 or 3 on Islander II), P4
for RS-232, P6 for RS-422.
Correct field wiring problem if
necessary.
Defective built-in modem. Disconnect cable from the
site communication I/O board
to the CPU board and try
connecting a terminal directly
to the port on the CPU. Replace built-in modem if
terminal can communicate to
the Islander.
Defective Islander CPU. Disconnect cable from the
site communication I/O board
to the CPU board and try
connecting a terminal directly
to the port on the CPU. Replace CPU board if
terminal can not
communicate to the Islander.