Serial Communication Chip (SCC) Transmit and Receive Test
The serial communication chip (SCC) transmit and receive
test checks the ability of the SCC to transmit and receive
information. To run the SCC transmit and receive test, type
t 3/scc/tx-rx
[
line
] [
loopback
] [
baud
] [
parity
] [
bits
] and press
Return.
When you type the SCC transmit and receive test command,
Replace the optional
line
parameter with a value that
specifies which serial line to test.
Specify 0 to test serial line 0, the default serial line.
Specify 1 to test serial line 1.
Specify 2 to test serial line 2.
Specify 3 to test serial line 3.
Replace the optional
loopback
parameter with a value that
specifies the type of loopback operation the test performs.
Specify intl to run an internal loopback operation. Intl
is the default type of loopback.
Specify extl to run an external loopback operation.
Replace the optional
baud
parameter with a value that
specifies the baud rate at which the test runs. You can
specify one of these baud rates:
300
4800
1200
9600
2400
19200
3600
38400
The default baud rate is 9600.
Base System Test Commands and Messages
D–19
Содержание DECstation 5000/100 Series
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