Ctneqpt; Dccfail - Fujitsu FLM 150 ADM Maintenance And Trouble Clearing

Maintenance and Trouble Clearing
FJTU-320-515-480
3.19

CTNEQPT

Table 3-17: CTNEQPT (Ribbon Cable Disconnect)—Alarm Event
AID
Direction
Type
EQPT NA
3.20

DCCFAIL

Table 3-18: DCCFAIL (Data Communications Connect Failure)—Alarm Event
AID
Direction
Type
EC1 TRMT/RCV
Issue 9, May 1999
Probable Cause
The circuit between the two
HC1A-6Lx1 units has failed.
Probable Cause
The Section Data • Verify that the tributary STS-1 source has not failed. If
Communications
Channel (SDCC) on
• Verify that the coax cable is connected securely.
the incoming EC-1
• At both the local and upstream sites, verify that the
line from the
tributary has failed.
• Verify that the SDCC parameters for this site and the
• Verify that the MC1A-STS1 unit is in service and has
• Verify that the HC1A unit is in service and has not
• Verify that the HC1A unit has the correct issue number
• Verify that the SDCC has been initialized.
FNC and FNC Customer Use Only
Suggested Corrective Action
• Verify good connections between the
HC1A-6Lx1 units (refer to Section 5.1,
Handling Fiber Cables, and Section 5.2,
Cleaning, Connecting, and Disconnecting
the Optical Connectors).
• Replace the ribbon cable between the
HC1A-6Lx1 units.
Suggested Corrective Action
an EC-1 LOS alarm exists, clear that trouble first.
SDCC is provisioned as In Service.
upstream site are identical.
not failed. Refer to Section 4.13, Replacing the STS-1
Electrical Channel (HC1A-STS1) Unit.
failed. Refer to Section 4.12, Replacing the OC-3
Optical Channel (HC1A and MC6A) Units, and
Section 4.16, Replacing the Low-Speed Channel–OVTG
(LC1A-F6xx) Unit.
to ensure firmware compatibility.
3.19: CTNEQPT
Vol. ll, Page 480.3-15