DIG-LINE (Digital Line)
Issue 1 May 2002
8-553555-233-143
manually unplugged for 30 seconds and then plugged back in to restore the PTC.
A message is returned reporting that either the PTC was successfully turned on
successfully with no problem or an overcurrent condition was sensed. This test is
repeated again 5 seconds later.
TN2181 and TN2224 boards carry a Protected Power Feed (PPF) relays, one for
each port. Therefore this will be a Protected Power Feed restoral test. The test
procedure and its response is same as that of EPF. One of differences between
EFP and PPF is that, if the port goes into a overcurrent state, PPF does not report
this change of state because it is a transient state which will not last more than
50ms. If the over current persists the power will be shut off automatically and an
EPF_off_overcurrent message is sent uplink.
Table 8-222. Test #11 Digital Line Electronic Power Feed Test
Error
Code
Tes t
Result Description / Recommendation
ABORT Internal system error
1. Retry the command at 1-minute intervals up to 5 times.
1000 ABORT System resources required to run this test are not available. The port may be
busy with a valid call.
1. Enter display port UUCSSpp 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 port is in use, wait until it is
idle before testing. Attendants are always in use (off-hook) if the handset
is plugged in and the port is not busied out.
2. If the port status is idle, then retry the command at 1-minute intervals up to
5 times.
FAIL Internal system error
1. Retry the command at 1-minute intervals up to 5 times.
PASS Electronic Power Feed test passed. The message to turn on the power to the
station was successfully sent to the port.
1. Although this test will never actually return a FAIL result except for the
Internal system error described above, it will log an error indicating the
real results of the test. Check the Error Log for any entries with Error
Types 767 or 769 after the test completes.
2. If Error Type 767 appears in the Error Log, this indicates that the test
sensed no problems with the power to the station. To verify that the station
is powered up correctly, run a self-test on the station and check that all the
feature buttons are operating.
3. If Error Type 769 appears in the Error Log, this indicates some problem
with the power to the station. Check for a short in the wiring, a damaged
jack, a defective voice terminal, or an incorrect type of terminal.
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