Installation guide
Transmit and receive test
To test the transmit and receive function of a
serial port from the console prompt (>>), install a
communications adapter with an MMJ loopback
connector and enter the following command:
t 3/scc/tx-rx [line] line loopback [baud][parity]
[bits]
line Specify line 0, 1, 2, or 3.
loopback Specify intl for internal or extl for
external.
baud Specify 300, 1200, 2400, 3600,
4800, 9600, 19200, or 38400.
parity Specify none, odd, or even.
bits Specify 8, 7, or 6 bits per
character.
2–12 TROUBLESHOOTING TOOLS