ZXG10 BS21 (V2.2) Compact Outdoor BTS for GSM Maintenance Manual
70
Confidential and Proprietary Information of ZTE CORPORATION
[
Test procedure
]
1.
Turn on the SiteMaster power switch.
2.
Select OPT in the main menu.
3.
Select the items whose SWR need be measured.
4.
Select key FREQ in the main menu and input the start and stop
scanning frequencies
5.
In SCALE of the main menu, input the needed values of TOP, BOTTOM
and LIMIT. For convenient query, TOP is advised as 1.5 and BOTTOM
as 1.0.
6.
In menu FREQ, select key MARKER and EDIT, read relevant values and
judge if the values are set in compliance with the requirements and
then save them.
7.
Select key START CAL to correct SiteMaster.
i.
Connect circuit opener (OPEN) with TEST PORT and select ENTER;
ii.
Connect the choke plunger (SHORT) with TEST PORT and select
ENTER;
iii.
Connect the load with TEST PORT and select ENTER; then the
system will perform automatic correcting.
8.
Loosen the jumper connector connected with the cabinet.
9.
Connect the SiteMaster with the port of the jumper through a testing
cable.
10.
Read the value and judge if it meets the requirement of the index.
[
Normal result
]
The normal result should be SWR
< 1.5.
[
Troubleshooting
]
If the test result is not normal, use the fault positioning function (DTF) to
judge the position of the fault and its cause, then solve it.
[
Recovery after test
]
Reconnect the connector of the equipment and restore the system.
[
Precautions
]
1.
Before each power-on measurement, it is necessary to correct the
measuring equipment;
2.
If measurement is conducted during operation of the equipment, it is
necessary to notify the user to lock relevant sectors or get user's
approval before switching off the power of the relevant equipment and
test again (generally this method is not recommended).
3.
Pay attention to the running status of the equipment being measured.
Содержание ZXG10 BS21
Страница 4: ...This page is intentionally blank ...
