PM8621-BI PMC-Sierra, Inc., PM8621-BI Datasheet - Page 57

• Manufacturer Part Number: PM8621-BI
• Description: Driver, NSE/SBS Narrowband Chipset Driver
• Manufacturer: PMC-Sierra, Inc.

Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2021248, Issue 1
Distributed Configuration
Figure 22: Chipset Driver Call Setup Flow Diagram – Distributed Model
The following lists out the steps to take for setting up new connections.
1) On the switch card side, user calls
2)
3) Distribute the settings to remote SBSs by ILC (via a link layer protocol) or other means such
4) The remote SBS application receives the new settings and calls
5) The remote SBS application then sends acknowledgement back to NSE side. With
6) Invoke
7) (if applicable) Synchronize all the settings between the active and inactive pages of all the
8) User can call
9) Follow the sequence as if it is a call setup, i.e., step (2) to (7)
call connections.
R
nbcsFmgtGetChgMap
as Ethernet.
update the settings for all SBSs.
acknowledgement from all remote SBSs, the switch card application is assured of all SBS
settings being transmitted correctly and proceeds with performing a synchronized page
switch. (Note: the link layer including any of the acknowledgement protocol is beyond the
scope of the CSD.)
synchronously with the C1 frame pulse.
devices by calling API
necessary.
etrieves the incremental settings of all remote SBS devices from the CSD by calling
Line/Service Card App
nbcsStswTogglePage
(4)
SBS Driver
nbcsFmgtUnMapTrib
CSD-line
(5)
Layer
Link
. This function also populates new settings to the local NSE device(s).
nbcsStswCopyPage
(3)
to toggle all the connection pages in the chipset
nbcsFmgtMapTrib/nbcsFmgtMapDS0
LVDS
/
nbcsFmgtUnMapDS0
Switch Card Application
.
(5)
Layer
NSE Driver
Link
Narrowband Chipset Device Driver Manual
CSD-core
(3)
to remove the connection if
nbcsStswMapSlot
(6)
(2)
OPA
Lib
Software Architecture
to request new
(1)
to
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