ZXG10 BS21 (V2.2) Compact Outdoor BTS for GSM Maintenance Manual
216
Confidential and Proprietary Information of ZTE CORPORATION
F
I G U R E
9 8
T
E S T
C
O N N E C T I O N O F
P
O W E R
M
E T E R
OUT POWER
BIRD power
meter
ZXG10 - BTS
Lightning
arrester
BIRD usage instance
F
I G U R E
9 9
C
O N N E C T I O N O F
M
A T C H I N G
L
O A D
( M
E A S U R I N G
F
O R W A R D
P
O W E R
)
Power output
T O load
Attention!
4.
Read the forward power value. For the 50W probe, one step on the dial
plate represents 1W.
5.
Measure the reverse power
i.
Choose a measurement point between the cabinet top jumper and
the lightning arrestor to measure BTS output power, and the
connection relationship is as shown in Figure 98.
ii.
If the antenna feeder is not installed, a matched load should be
added for the measurement of the reverse power, as shown in
Figure 100.
