DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-412CO-DS1 (DS1 CO Trunk)
9
The DS1-CO maintenance object monitors and maintains a CO trunk port on
either a TN767 DS1 Interface circuit pack or a TN464 UDS1 Interface circuit
pack. Throughout this discussion, the term DS1 circuit pack applies to both. See
‘‘DS1-BD (DS1 Interface Circuit Pack)’’ and ‘‘UDS1-BD (UDS1 Interface Circuit
Pack)’’ in this chapter for more information about these circuit packs. The DS1
circuit pack supports low level CO trunk signaling interfaces for both
ground-start and loop-start trunks. This maintenance strategy covers the in-line
errors log, initialization tests, periodic tests, scheduled tests, demand tests, and
alarm resolution.
Three trunk service states are specified by DS1 CO trunk maintenance:
Error Log Entries and Test to Clear Values
out-of-service The trunk is in a deactivated state and
cannot be used for either incoming or
outgoing calls.
in-service The trunk is in an activated state and can
be used for both incoming and outgoing
calls.
disconnect (ready-for-service) The trunk is in an activated state but can
only be used for an incoming call.
Table 9-174. DS1 CO Trunk Error Log Entries
Error
Type
Aux
Data Associated Test
Alarm
Level
On/Off
Board Test to Clear Value
0
1
0 Any Any Any test trunk <grp>/<mbr>
1(a) 57408
1(a) 57487
15(b) Any Port Audit and
Update Test (#36)
18(c) 0 busyout trunk
<grp>/<mbr>
WARNING OFF release trunk <grp>/<mbr>
130(d) None WARNING ON test trunk <grp>/<mbr>
257(e) 57392 DS1 CO Dial Tone
Seizure Test (#314)
MIN/MAJ
2
OFF
513(f) 57393 DS1 CO Dial Tone
Seizure Test (#314)
MIN/MAJ
2
OFF
769(g) 57484
1025 DS1 CO Dial Tone
Seizure Test (#314)
MIN/
WRN
3
OFF test trunk <grp>/<mbr> r 2
