User manual

DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127
Issue 1
August 1997
Maintenance Object Repair Procedures
Page 10-464DIOD-TRK (DIOD Trunk) [G1.2SE]
10
3. PBX On-Hook (Drop Message): Open Tip-Ring loop, no loop current
a. CO Response: CO goes to idle state (see Note)
C. Direct Inward Dialing (DID)
1. CO Applies Ringing Voltage
a. PBX Response: Detect ringing current and close loop
b. CO Response: Send DTMF digits
c. PBX Response: Acknowledge of Number dialed and open loop
2. PBX Off-Hook (Answer Message): Close loop
a. CO Response: Trip ringing, provide loop current
3. PBX On-Hook (Drop Message): Open Tip-Ring loop, no loop current
a. CO Response: CO goes to idle state (see Note)
NOTE:
CO does not normally provide an On-Hook (Disconnect) signal.
Hardware Error Log Entries and Test to Clear
Values
Table 10-153. DIOD 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 port PCSSpp sh r 1
15 (b) any Port Audit Update
Test (#36)
18 0 busyout trunk
<grp>/<mbr>
769 (a) 57392 None MAJ/MIN/
WRN
2
ON
1537 Dial Tone Test (#0) MAJ/MIN/
WRN
2
ON test port PCSS l r 2
1793 Loop Around and
Conference Test
(#33)
MAJ/MIN/
WRN
2
ON test port PCSS l r 3
2049 NPE Cross Talk
Test (#6)
MAJ/MIN/
WRN
2
ON test port PCSS l r 3
2561
(a,d)
57345 None
2817 (a,e) 57393 None
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