Nortel 703t, Maintenance And Diagnostics

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Using serial port diagnostic tools Standard 1.06
70 CallPilot
TSTSERIO internal loopback diagnostic subtests
The following internal loopback subtests are available for the
TSTSERIO command. For each of these tests, the communications
resource must be available:
/
S:subtstnam
e Optional Specifies a TSTSERIO subtest. See the
table below for a description of the
available subtests.
/L:loops Optional Specifies the number of times (up to a
maximum of 65 535) to execute the
requested test. The default number of
tests is 1. A value of 0 infinitely loops
until you enter Ctrl+C.
Subtest
name
Description
idat Internal data bus loopback
imsr Internal modem status register
baud Internal data bus loopback at various baud rates
word Test 5-, 6-, 7-, and 8-bit data lengths
stop Test 1, 1.5, and 2 stop bits
pari Test odd/even parity
fifo Test that device can operate in fifo mode
Flag Requirement Description