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CHAPTER 3. Outdoor SPI-2331 Architecture
PLD inquiry and change
− Upper management system inquires and changes PLD by command
− PLD changes are updated in its own nonvolatile storage periodically.
PLD audit
For the consistent PLD data with the upper management system
Grow/degrow of resources
Link and the auxiliary devices in the outdoor SPI-2331
3.3.3.13 RAS Diagnosis Management (RDM)
The RDM checks if internal and external connection paths or resources of the outdoor SPI-
2331 are normal. The connection paths are roughly divided into the external path between
the outdoor SPI-2331 internal IPC path and another NE and the path between ACR and the
outdoor SPI-2331. In addition, it supports the on-demand test at the request of an operator
and the periodical test according to the schedule defined by the operator.
The main functions of RDM are as follows:
Path Test
− External path test: Ping or traceroute test for external hosts
− Traffic path test: Test for the UDP message-based bearer path between ACR and
the outdoor SPI-2331
− Signal path test: Test for the UDP message-based signaling path between ACR and
the outdoor SPI-2331
Software Block Test
Ping test for main programs by processors
RF Exchange Test
Receive Signal Strength Indicator-based(RSSI-based) Rx/Tx path diagnosis
Loopback Test
Support of IEEE 802.3ah Ethernet loopback functions
Backhaul performance monitoring test
Quality(packet loss, delay and delay variance) measurement for backhaul between
ACR and the outdoor SPI-2331
Periodical online test by the operator setting
Change of the Diagnosis Schedule
Schedule setup, such as diagnosis period, start time and end time of periodical online
test
Support of Call Trace Function
It reports the call trace information(signaling message of a specific MS, RF parameter,
traffic statistics) to the management system via SNMPD.
VIF generation and removal
Generate and remove VIF based on physical link configuration in PLD
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© SAMSUNG Electronics Co., Ltd.
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