Redline Communications Inc. AN100UA 用户手册
Red
MAX
™
Base Station
User Manual
Doc. #70-00058-01-01
Proprietary Redline Communications © 2007
July 13, 2007
Page 61 of 119
Channel Size MHz: (
*
) Select the channel size. Menu selection is based on the type of
radio installed. Refer to the appendices for a list of supported radios.
Guard Interval: (
Guard Interval: (
*
) Select the cyclic prefix.
MAC Parameters
Frame Profile: Configure the frame size and usage profile.
Frame Duration ms: (
*
) Select the wireless frame duration (ms). Selections are
based on the channel size. This setting affects the system latency.
DL Ratio %: Enter the downlink usage as a percentage of frame size. This setting
provides traffic shaping on the uplink and downlink traffic profiles.
The DL ratio is dynamic and can be changed at any time without reboot. The DL
Ratio setting in the Wireless Configuration page allows the selection between the
minimum and maximum values specified in the following table (based on Frame
Duration, Channel Bandwidth and Guard Interval settings):
DL Ratio %: Enter the downlink usage as a percentage of frame size. This setting
provides traffic shaping on the uplink and downlink traffic profiles.
The DL ratio is dynamic and can be changed at any time without reboot. The DL
Ratio setting in the Wireless Configuration page allows the selection between the
minimum and maximum values specified in the following table (based on Frame
Duration, Channel Bandwidth and Guard Interval settings):
Table 19: System - Wireless Channel Selection (3.4 - 3.6)
Frame Duration
(ms)
Channel Size
(MHz)
Guard Interval
Lowest DL
Ratio (%)
Highest DL
Ratio (%)
5 3.5 1/4 58 75
1/16
50
7
1/4
30
80
1/16
25
10 3.5 1/4 26
1/16
25
7
1/4 85
1/16
Synchronization Mode: (
*
) Select the synchronization mode. Refer to the RedMAX
base station Installation Guidelines for details of the synchronization feature.
No Synch: Synchronization feature is disabled.
Master: This base station provides the master synchronization pulse for each
connected slave base station (without external GPS clock source).
Master with GPS Synchro: This base station is connected to a GPS clock and
provides the master synchronization pulse for each connected slave base station.
Backup - Slave: This slave base station acts as a backup if the master base station
fails to provide synchronization pulses. This feature operates with or without an
external GPS clock connection.
Slave: This base station synchronizes its operations to the synchronization pulse
received from the Master or Backup Master base station.
Master: This base station provides the master synchronization pulse for each
connected slave base station (without external GPS clock source).
Master with GPS Synchro: This base station is connected to a GPS clock and
provides the master synchronization pulse for each connected slave base station.
Backup - Slave: This slave base station acts as a backup if the master base station
fails to provide synchronization pulses. This feature operates with or without an
external GPS clock connection.
Slave: This base station synchronizes its operations to the synchronization pulse
received from the Master or Backup Master base station.
Cell Range km: (
*
) Enter the distance to the subscriber located the farthest distance from
the base station.
Disable RF: Click
Disable RF: Click
Disable
RF
to disable the modem output. This is for test purposes
only. The base station terminal must be reset to restore operation of the radio transmitter.