Maintenance Commands and Trouble-Clearing Aids
555-233-123
8-430 Issue 4 May 2002
test ds1-loop
This command validates that the board exists at the specified location and that the
board is a TN464F or TN767E or later suffix DS1 Interface board. Long-duration
loopback tests execute for an extended period of time until manually terminated.
Short-duration loopback tests return the result of the test to the screen after
executing. The list measurements ds1 summary command can be used to
monitor the status of a long-duration loopback/span test.
Action/
Object Qualifier Qualifier Description Logins Defaults
Feature
Interactions
test
ds1-loop
location
cpe-loopback-
jack-test-begin
far-csu-loopback
- test-begin
one-way-span-
test-begin
end-loopback/
span-test
inject-single-bit-
error
ds1/csu-
loopback-tests
Physical location of board
(PcSS)
Long-duration loopback test
setup through the Customer
Premises Equipment (CPE)
Loopback Jack. Allows user to
specify a loop-up code for the
CPE loopback jack if it differs
from the default (0x47F). The
loop-up code is entered by
specifying the number of bits in
the loop-up code as well as the
actual hexadecimal bit-pattern.
1
Long-duration loopback test
tsetup through the far-end
Channel Service Unit (CSU)
Long-duration one-way span test
Terminates long-duration
one-way span and loopback
testing
Single bit error sent within an
active framed 3-in-24 test pattern
used in long-duration loopback
and span testing
Sequentially executes the
following loopback tests: DS1
Board LoopBack, CSU Module
Equipment LoopBack, and CSU
Module Repeater LoopBack.
2
Examples:
test ds1-loop 01c08
test ds1-loop 1-3c03
cpe-loopback-jack
test ds1-loop 1-3c03 cpe
test ds1-loop 10c03 end
test ds1-loop 02d12 fa
test ds1-loop 02d12 inj
1 For TN464F or TN767E or later suffix DS1 boards only. The test aborts if the board has not been taken out of
service with the busyout command.
2 For TN464F or TN767E or later suffix DS1 boards
init
inads
craft
super-user
other
3
3 Logins with Maintain Switch Circuit Packs permissions enabled.
ds1/csu-l
oopback
-tests
See below
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