Tests and Subtests
correctly.
The subtests are
1.
Check the line printer status register and print the
observed status.
2.
Print a rotating pattern on the printer using
interrupts.
Check the status on each interrupt.
Subtest 1 checks the status of the data/status register, returns
the status, and makes sure that the status is valid (either line
printer present, line printer selected, or line printer out of
paper).
For each repetition, subtest 2 prints one full page of
wallpaper patterns, consisting of 132-column rotations of the
ASCII character set.
Errors
Test 13 can return the following errors:
Unrecognized LP status x.
Test Output
Output for a run of the line printer test is as follows:
LINE PRINTER TEST
LINE PRINTER SUBTEST 1, Status Test.
LP Selected.
LINE PRINTER SUBTEST 2, Transfer Test.
At this point in the test, the line printer prints a full page of
rotations of the ASCII character set.
TEST 14:
FAST COMMUNICATION (RS-422) PORT TEST (k)
Test 14 verifies the fast communication (RS-422) port.
Like
subtests 16 and 17 of the disk tests, test 14 requires two
computers:
one to transmit data and the second to receive it.
The computer receiving data should be ready to receive data
before the transmission subtest starts.
The subtests are
1
2
3
4
5
1.
Auto send/receive.
2.
Transmit increasing sized packets.
3.
Receive the packets sent by subtest 2.
4.
Transmit user specified block of memory.
5.
Receive user specified block of memory.
2-21
Содержание MOTOTRBO 6300
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