User Manual
Table Of Contents
- Optical Master Unit
- Contact Information
- About This Manual
- For whom it is Intended
- Notice
- Confidential - Authorized Customer Use
- Disclaimer of Liability
- Warrantee
- Table of Contents
- 1 Introduction
- 2 Installation
- 3 Setup
- 3.1 Initiate Local Communication
- 3.2 Configure the OMU
- 3.3 Fiber Loss Compensation and Master Attentuation
- 3.4 Integration into AEM
- 3.5 Set Up OMU-Repeater System
- 3.6 Balance the System
- 3.7 Initiate Fiber Loss Compensation
- 3.8 Set up Remote Communication
- 3.9 Integrate into the AEM
- 3.10 Installation Examples
- 4 Troubleshooting
- 5 Maintenance
- 6 Specifications
AXELL OPTICAL MASTER UNIT
PRODUCT DESCRIPTION AND USER’S MANUAL
26 © Axell Wireless Ltd
The following diagram illustrates the attenuation levels for an installation with a common Tx and Rx
port.
Fiber Fed
Repeater
Duplex
Filter
e
o
OMU
BTS
Loss in fiber
cable
10 Km
Variable
Attenuator
- 1 dB
up to
- 21 dB
Variable
Attenuator
Basic Explanation of Attenuation Levels for BS
with COMMON Tx and Rx ports
up to
- 21 dB
- 14 dB
Total attenuation = 45dB
Recommended power = -3dBm
BTS Output
RX/TX
-30 dB
Directional
Coupler
Splitter
Measured Power
- 14 dB
Combiner
To set the attenuation
Select “HUB Status”
Set the attenuation
in the downlink in
this box.
The signal level
after attenuation
can be monitored in
the RMC