L3P/L5 Events

PPL Event Request (L5 to L3P) | PPL Event Indication (L3P to L5)
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0x0000 Link Blocked Request Forced 0x0001 Link Deferred Block Request (AN Only) 0x0002 Link Unblock Request 0x0003 User Port Block Request Forced 0x0004 User Port Unblock Request 0x0005 C Channel Switchover Request 0x0006 V5 Statistics Query 0x0007 Link Status Request 0x0008 C Channel Status Request 0x0009 Interface Status Request 0x000A User Port Status Request 0x000B Start Restart Procedure 0x000C Reserved (Diagnostics: Disables LAPV for Link) 0x000D Reserved (Diagnostics: Enables LAPV for Link) 0x000E Link Non-Deferred Blocking Request (AN only) 0x000F User Port Deferred Block Request (AN only) 0x0010 Startup Request (Use this Event only when PPL Config. Byte #3 is set 0x0011 V5 Subscriber Query (Span/Channel and V5 ID/User Port AIBs) | 0x0001 Configuration OK 0x0002 Configuration Error 0x0003 Control Request OK 0x0004 Link MDU Event 0x0005 Control Error 0x0006 Status Error 0x0007 Statistics Error 0x0008 Management Port 0x0009 Management COM 0x000A Common Error 0x000B Bind Error 0x000C Event Message DEC 0x000D Event Port Error Message 0x000E Event L4 Request 0x000F Event Invalid State 0x0010 UI Event 0x0011 Interface Down 0x0012 Startup Event 0x0013 Restart Event 0x0014 Data Link Release Event 0x0015 Common 0x0016 Switchover Event 0x0017 Event Message Send 0x0018 Event Message Received 0x0019 L1 FSM Event 0x001A Port Error 0x001B DSFE 0x001C MPH 0x001D Timer Event 0x001E PV Layer Event 0x001F Event Timer Expire 0x0020 Waiting for L3P BCC Link Blocked Acknowledgment 0x0021 V5 Statistics 0x0022 Link Status 0x0023 C Channel Status 0x0024 Interface Status 0x0025 User Port Status 0x0026 No call active for timeslot 0x0027 Call is up for the timeslot (Contains appended V5 Subscriber ICB for the timeslot)

See Programmable Protocol Language.
A condition that, when met, drives a state machine from one state to another. A condition that drives a Component out of its current state by invoking an associated primitive.
The point in the Excel platform where a DS0 connects to a network. Also known as a "socket."
Range of channels provided by T1 or E1 transmission service. A physical span is a group of channels taking up a single physical wire. A logical span is a group of channels taking up less than a single logical wire, or carried over more than one physical wire.
The condition of a component at a given instant. The current "context" of a PPL object, such as Idle, Seizing, Answered. In PPL files, a State is represented by a circle.
See Information Control Block.