DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127 Issue 1
August 1997
Maintenance Commands and Trouble-Clearing Aids

Page8-337test ds1-loop

8
Feature Intera c tions
■Loopback or span tests are not allowed on DS1 boards unless the board
has been busied out.
■Only one of the CPE Loopback Jack, far-end CSU, one-way span, or
DS1/CSU loopback tests may be active at any given time on a DS1 span.
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
3. Logins with Maintain Switch Circuit Packs permissions en abl ed.
Action/
Object Qualifier Qualifier Description Permissions 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 boar d
(PcSS)
Long-duration loopback tes t
setup through the Custom er
Premises Equipment (CPE)
Loopback Jack. Allows user t o
specify a loop-up code fo r 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 tes t
tsetup through the far-end
Channel Service Unit (CSU)
Long-duration one-way s pan
test
Terminates long-duration
one-way span and loopba ck
testing
Single bit error sent within an
active framed 3-in-24 test
pattern used in long-durat ion
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
init
inads
craft
super-user
other3
ds1/csu-
loopbac
k-tests
See below