User's Manual

Mobile WiMAX Outdoor RAS SPI-2210 System Description/Ed.05
© SAMSUNG Electronics Co., Ltd. 4-30
4.5 Operation and Maintenance Message Flow
An operator can check and change the status of the outdoor SPI-2210 by means of the
management system. To this end, the outdoor SPI-2210 provides the SNMP agent function.
The function enables the WSM operator to perform the operation and maintenance function
of the outdoor SPI-2210 at remote site by using the SNMP.
In addition, the operator can perform Web-EMT based maintenance function by using a
Web browser in a console terminal or IMISH based maintenance function by using the SSH
connection. However, grow/degrow, paging information change and neighbor list change
functions are only available on WSM.
The statistical information provided by the outdoor SPI-2210 are provided to the operator
according to collection period and the real-time monitoring function for a specific
statistical item specified by the operator is, also, provided.
Operation and Maintenance Message Flow
The operation and maintenance of the outdoor SPI-2210 is carried out via the SNMP
get/get_next/get_bulk/set/trap message between the SNMP agent on the main OAM and the
SNMP manager of the WSM. The outdoor SPI-2210 deals with various operation and
maintenance messages received from the SNMP manager of the management system,
transfers the results and reports the events, such as failure generation or status change, in
real time as applicable.
The statistical information is provided as statistical file format in unit of Bucket
Interval(BI) and the collection period can be specified as one of 15, 30 and 60 minutes.
The OAM signal flow is as shown in the figure below:
Figure 4.20 Operation and Maintenance Signal Flow
• • • •
WSM
(SNMP Manager)
Web-EMT(HTTP Client)/
IMISH
MRA-S
Outdoor SPI-2210
MRA-S
MMA-S
HTTP Server
SNMP Agent
MMA-S
SNMP Agent
CLIM
CLIM
HTTP Server
SNMP get/set/get_next/get_bulk, SNMP trap
HTTP message (command/response)
CLI Command
Statistical Date
Outdoor SPI-2210