Serial Line Test; Serial Line Test Parameters And Error Messages; Serial Line Test Parameters - DEC DECstation 5000 Model 200 Maintenance Manual

Serial Line Test

The Serial Line test checks the serial line controller's ability to
receive and transmit characters.
To run this test, type t f41 P1 P2 and press Return.

Serial line test parameters and error messages

Table F-2 describes the parameters used in serial line test
commands and error messages.
Table F-3 lists the error codes found in serial line test error
messages.
Table F-2. Serial Line Test Parameters
Parameter
P1
P2
P3
P4
P5
F–4 Test Commands and Messages Produced by Version PDE3 ROM Chips
Description
Specifies the test's loopback setting. Specify 0 for internal
loopback; specify 1 for external loopback.
Specifies the serial line to be tested.
- Specify 0 to test TBD.
- Specify 1 to test TBD.
- Specify 2 to test TBD.
- Specify 3 to test TBD.
Actual value in register named in the subtest.
Expected value of register named in the subtest.
Baud rate written to the serial line parameter register (lpr).