![background image](http://html.mh-extra.com/html/nokia/metrohopper/metrohopper_user-manual_255087108.webp)
Installing Nokia MetroHopper outdoor unit
DN99592289
© Nokia Networks Oy
21 (26)
Issue 2-1 en
Caution
3.
Adjust the fine alignment bars with a spanner as described in Section 4.5
until you find the minimum AGC voltage value. See Table 1 for
approximate voltage values at different Rx input levels.
4.
Lock the fine alignment bars.
5.
Tighten the locking screws back to a torque of 17
−
20 Nm. Tighten first
the joint that is closer to the installation pole.
6.
Remove the DC voltage meter.
4.9
Uninstalling the outdoor unit
If you need to remove or replace a radio, follow the instructions below. If the
replacement of the radio is done carefully the alignment will not be affected.
Switch the Flexbus OU power supply off (with the node manager) before
removing an outdoor unit.
Table 1.
AGC voltage levels in proportion to the receiver input level
Rx input level
AGC voltage
0 dBm
0.0 V
-10 dBm
0.5 V
-20 dBm
1.1 V
-30 dBm
1.6 V
-40 dBm
2.2 V
-50 dBm
2.7 V
-60 dBm
3.3 V
-70 dBm
3.8 V
-80 dBm
4.4 V
-90 dBm
5.0 V
Содержание MetroHopper
Страница 4: ...2 2 Nokia Networks Oy NOKIA C33512 22 M Missing Document P Preliminary ...
Страница 8: ...Document Note 4 11 Nokia Networks Oy Draft DN99592241 Nokia Proprietary and Confidential Issue3 0en ...
Страница 19: ...Commissioning and Maintenance 4 42 Nokia Networks Oy DN99611394 Issue2 0en ...
Страница 21: ...Commissioning and Maintenance 6 42 Nokia Networks Oy DN99611394 Issue2 0en ...
Страница 23: ...Commissioning and Maintenance 8 42 Nokia Networks Oy DN99611394 Issue2 0en ...
Страница 61: ...Guide to Documentation 4 16 Nokia Networks Oy DN99611449 Issue2 0en ...
Страница 63: ...Guide to Documentation 6 16 Nokia Networks Oy DN99611449 Issue2 0en ...
Страница 65: ...Guide to Documentation 8 16 Nokia Networks Oy DN99611449 Issue2 0en ...
Страница 73: ...Guide to Documentation 16 16 Nokia Networks Oy DN99611449 Issue2 0en ...
Страница 77: ...Installation Overview 4 14 Nokia Networks Oy DN99611437 Issue2 0en ...
Страница 79: ...Installation Overview 6 14 Nokia Networks Oy DN99611437 Issue2 0en ...
Страница 81: ...Installation Overview 8 14 Nokia Networks Oy DN99611437 Issue2 0en ...
Страница 83: ...Installation Overview 10 14 Nokia Networks Oy DN99611437 Issue2 0en ...
Страница 85: ...Installation Overview 12 14 Nokia Networks Oy DN99611437 Issue2 0en ...
Страница 87: ...Installation Overview 14 14 Nokia Networks Oy DN99611437 Issue2 0en ...
Страница 91: ...Installation 4 26 Nokia Networks Oy DN99592289 Issue2 1en ...
Страница 93: ...Installation 6 26 Nokia Networks Oy DN99592289 Issue2 1en ...
Страница 95: ...Installation 8 26 Nokia Networks Oy DN99592289 Issue2 1en ...
Страница 97: ...Installation 10 26 Nokia Networks Oy DN99592289 Issue2 1en ...
Страница 113: ...Installation 26 26 Nokia Networks Oy DN99592289 Issue2 1en ...
Страница 114: ...NOKIA C33512 22 Nokia Networks Oy 1 8 Nokia MetroHopper Radio with FC RRI FXC RRI Master Index C33512 22 ...
Страница 123: ...Glossary 2 10 Nokia Networks Oy DN99593058 Issue2 1en ...