Nortel 4000 发行公告
300115-B Rev. A
Remote Access Software Version 5.3 Release Notes
46
Busied-out channels and modems can be returned to service with the
appropriate CLI commands, or by rebooting the RAC.
appropriate CLI commands, or by rebooting the RAC.
Counting the Call Events
The following events are counted for each incoming call on a channel:
Table 7 Call Event Descriptions
Modems count only three of these events: modem assignment, the chat
process, and DCD assertion.
process, and DCD assertion.
For non-modem calls, the chat process and DCD assertion are not counted
or don’t occur at all. The call is considered to be successful once a device
has been assigned.
or don’t occur at all. The call is considered to be successful once a device
has been assigned.
The table below shows some possible causes for counts which are less
than that of their preceding event:
than that of their preceding event:
Event
Description
SEIZE
This message from a WAN module to a WAN manager
process on the main processor indicates that the central
office switch has sent a channelized T1/E1 seize event.
process on the main processor indicates that the central
office switch has sent a channelized T1/E1 seize event.
RING
This message from a WAN module to a WAN manager
process on the main processor indicates that a call has
arrived.
process on the main processor indicates that a call has
arrived.
Modem/device assignment (start of session)
CONNECT
This message from the WAN module to the WAN
manager process means that the RAC has accepted the
call and the WAN module and the CO have agreed that
the call has been established.
manager process means that the RAC has accepted the
call and the WAN module and the CO have agreed that
the call has been established.
Chat
process
process
This process tells the modem to answer and waits for
DCD.
DCD.
DCD
assertion
assertion
The modem has connected successfully with the remote
modem.
modem.