Shyam DB6M Series, Руководство по эксплуатации и установке

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Next Generation
Signal Enhancement
terminated connection of a measuring instrument
(P
ower
M
eter,
S
pectrum analyzer with appropriate
PAD)
A
fter setting the gain, verify the parameters:
1. DL RF
power radiated in the set frequency band.
2. R
eceived
RF
power in the
DL
.
3. UL RF
power radiated in the set frequency band.
4. R
eceived
RF
power in the
UL.
5. R
ecord the value of attenuation introduced for setting the gain.
8.7. D
os
& D
on’t
D
os
1.
T
he site should be accessible for maintenance purposes.
2.
A
rrangement is to be made to avoid unauthorized access to the
repeater.
3.
P
roper grounding of the repeater housing is done to avoid damage to the
system.
4.
F
or outdoor applications, the housing must be waterproof.
5.
S
table power supply for repeater unit should be ensured.
6.
T
he route of
C
ables to/from antennas should be short to minimize the
cable losses and should be free from sharp bends & kinks.
7.
L
ocal standard of cabling should be followed.
8.
T
he donor antenna should have proper line of sight with the
BTS
from
where the signals are to be intercepted for maximum signal strength and
to reduce the effect of fading.
9.
T
here should be adequate separation between the cables (antenna
system) and the power lines to avoid damage to the equipment & injury
to humans.
10.
T
he selection of
BTS
should be made taking other
BTS
s in the same
vicinity in to consideration to avoid interference.
11.
G
ain of the repeater should be set after taking antenna isolation in to
consideration.
12.
T
he estimation of coverage area should be confirmed.
13.
T
he system should be configured for normal traffic after actual
measurement of:
a)
RF
power in the
DL
b)
RF
power in the
UL
c)
A
ntenna Isolation
d)
G
ain settings in
DL
&
UL
14.
F
eedback regarding performance of the system may be sent to
S
hyam
T
elecom by the user.