DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-635E-DIG-STA (Emulated Digital Line)
3
Voice and Control Channel Local Loop Test (#13)
These tests check the information and control channels between th e Switch
Processing Element (SPE) and the Digital Line port circ uit. The SPE sends a
message to loop around b oth the information and control c hannels for the port.
First, the primary information (voice) c hannel loopback tes t sends a digital c ount
from the Tone-Clock circuit pack on the p rimary information channel time slot and
receives the same digital c ount with a general purp ose tone detector.
While the primary information channel is still loop ed around, the Control Channel
Loop Around Test sends four different transparent p atterns to the on-board
microprocessor, receiv es them back, and c ompares them.
The Loop Around Test for the secondary information (d ata) channel is the same
as the primary information c hannel loop around test and is performed only if a
DTDM is administered.
Next, a Conference Test checks the primary informatio n channel. This test is the
same as Conference Test #6.
The four tests will generate only one resulting value (Pass, Fail, or Abor t). If any
test fails or aborts, the test seq uence stops.
Table 3-261. TEST #13 Voice and Control Channel Local Loop Test
Error
Code
Test
Result Description/ Recommendation
ABORT Internal system error
1. Retry the command at 1-minute intervals a maximum of 5 times.
1000 ABORT System resources required to run this test are not available. The port may
be busy with a valid call. Use display port PCSSpp to determine the
station extension or attendant number of the port. Use status station or
status attendant to determine the service state of the port. If the service
state indicates that the port is in use, then the port is unavailable for
certain tests. Wait until the port is idle before retesting. Attendants are
always in use (off-hook) if the handset is plugged in and the port is not
busied out.
1. If the port status is idle, then retry the command at 1-minute intervals a
maximum of 5 times.
1001 ABORT System resources required to run this test are not available.
1. Retry the command at 1-minute intervals a maximum of 5 times.
Continued on next page