EQUIPMENT MANUAL FOR RF-9122 GSM900-GSM1800 FSR
RF-9122T18 QE
Copyright - refer to title page
Page 39
ENU Status : 1-0-0
4.6.1.2 RF PARAMETERS
Occupying the middle of the main window are the RF parameters:
Identifier
Application
Setting 1
Setting 2
Initial setting
Soft PA
Switch
Soft PA switch is to turn on/off
the DC power supply to PA
module temporarily to reduce
the electromagnetic radiation.
‘On' = DC power
supply is enabled,
and all the modules
are enabled,
parameters of which
can be set and read.
‘Off’ = no voltage
from the DC
power supply, both
the frequency
selecting and
amplifying module
stops working.
Parameters,
including channel
number, ATT, and
output power, can
not be set or read.
The repeater gives
out no signal, and
other parameters
remain unaffected.
ON
Operating
Frequency
”Operating Frequency” -There
are five items: channel
(working or shifting), channel
number, corresponding UL/DL
frequency and channel type
(service channel or control
channel)
There are two operating
frequencies, each of which has
one working
channel and one shifting
channel.
Two channel types, service
channel and control channel.
n/a
n/a
The configuration of
working and
translating
frequency
must be identical for
both master-unit
and remote-unit to
ensure normal
signal transmission.
But the working
channel
number of both
master unit and
remote unit could be
different.
Channel
number
setting
To configure channel number
For the working
channel, the setting
range is 1~124,
975~1023
For Frequency
Shifting Channel,
the setting range
is 512~885
