Lucent Technologies 555-233-119 Home Theater Server User Manual


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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-535DIOD-TRK (DIOD Trunk)
3
DIOD-TRK (DIOD Trunk)
Direct Inward and Outward Dial (TN429 DIOD) trunks are 2-wire analog lines to
the CO which support the following services:
both incoming and outgoing CO calls
DID trunk
DID Trunk and 1-way Outgoing DIOD
The DIOD Trunk circuit pack provides eight ports for loop-start CO. The circuit
pack is an interface between the 2-wire analog line from the CO and the system’s
(4-wire) TDM Bus.
Loop start operation
Idle State - Tip = ground, Ring = CO Battery
A. Outgoing Call
1. PBX Off-Hook (Seize Message): Closes the Tip-Ring Loop
a. CO Response: DC loop current + Dial tone
2. PBX On-Hook (Drop Message): Open Tip-Ring loop, no loop current
a. CO Response: CO goes to idle state (see Note)
B. Incoming Call
1. CO Applies Ringing Voltage
a. PBX Response: Detect ringing current
2. PBX Off-Hook (Answer Message): Close loop
a. CO Response: Trip ringing, provide loop current
MO Name (in
Alarm Log) Alarm Level Initial Command to Run
1
1. Where P is the port network number (1 for PPN); C is the carrier designation (for example,
A, B, or C); and SS is the address of the slot in the carrier where the circuit pack is located
(for example, 01, 02, ...etc.).
Full Name of MO
DIOD-TRK MAJOR
2
2. A MAJOR alarm on a trunk indicates that alarms on these trunks are not downgraded by
the set options command and that at least 75 percent of the trunks in this trunk group
are alarmed.
test port PCSSpp l DIOD Trunk
DIOD-TRK MINOR test port PCSSpp l DIOD Trunk
DIOD-TRK WARNING test port PCSSpp l DIOD Trunk