363-206-305 Detailed Level Procedure:
DLP-523
Issue 3, June 2000 Page 3 of 12
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
NOTE:
Removal of the optical fiber when the FiberReach shelf has bidirectional
cross connections (i.e. STS-3c) will generate a CR LED (inc.
OC3/OC12 LOS) alarm.
NOTE:
It is assumed that the loss of the optical facility is known from office
records or that a measurement has been made [DLP-514].
Use rtrv-state-path: command to ensure service has been switched to
the other line; then remove optical cables from OLIU to be replaced.
5. Remove any universal LBO from OLIU [DLP-503, Step 2].
6. Is a 28-Type or 29-Type OLIU being replaced?
If YES, proceed to Step 12.
If NO, continue with Step 7.
7. Remove old OLIU.
8. Install same type replacement OLIU.
Response: FAULT LED on OLIU flashes.
9. Install universal LBO from OLIU [DLP-503, Step 5].
10.
NOTE:
The FAULT LED on the OLIU may flash from 15 seconds to 3 minutes
and 25 seconds depending on the provisioned signal degrade threshold.
Connect optical cables to replacement OLIU.
Response: FAULT LED on the OLIU goes off.
11. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
12. Disconnect the faceplate connector (ribbon cable) from the 28-Type or
29-Type OLIU being replaced.
Response: 28-Type OLIU [MN LED (
OLIU connector failed
)
alarm will light.]
29-Type OLIU [MN LED (
OLIU connector failed
and
OLIU CP failed
) alarm will light.]
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