Pengo Computer Accessories UBR7200 사용자 설명서
Multipoint Wireless Support for the Cisco uBR7200 Series Universal Broadband Router
Feature Overview
2
Cisco IOS Release 12.1(5)XM
Multipoint Headend System
The Cisco broadband fixed wireless multipoint headend system is designed to use antennas that transmit
the RF signal in a portion of a complete circle, or directionally, in what is called a sector. Each headend
site can be designed and configured to broadcast in a single sector, or in multiple sectors, depending on
the requirements of the network.
the RF signal in a portion of a complete circle, or directionally, in what is called a sector. Each headend
site can be designed and configured to broadcast in a single sector, or in multiple sectors, depending on
the requirements of the network.
For each sector, the components of a multipoint headend system (see Figure 1) consist of the necessary
cables and:
cables and:
•
One Cisco uBR7200 series universal broadband router
•
One wireless modem card installed in the router
•
One power feed panel
•
One or two antennas (second antenna for diversity reception is optional)
•
One or two wireless transverters containing the RF amplifier (one for each antenna)
•
One or two duplexers (one for each wireless transverter)
Figure 1
Components of the Multipoint Headend System (transverter hail shield not shown)
35167
Cisco uBR7200
series router
series router
Point-to-multipoint
power feed panel
power feed panel
10MHz
IN
10MHz
OUT
MONITOR
DIVERSITY
MAIN
PFP
MONITOR
uBR-MCW-MDA
RECEIVE D
AT
A
SEND D
AT
A
CARRIER OUT OF SER
VICE
PFP
MINOR ALARM
MAJOR ALARM
ENABLED
Point-to-multipoint
head-end
wireless modem card
Wireless
point-to-multipoint
transverter
Duplexer
CISCO uBR – WMF4A
P O W E R F E E D P A N E L
OFF
1
1
2
3
4
ON
OFF
2
PWR
ON
ON
ON
OFF
3
ON
OFF
4
ON
PWR
ON
ON
PWR
ON
ON
PWR
ON
ON
MCW 1
MCW 2
MCW 3
MCW 4