User Manual

Table Of Contents
Optical Master Unit
PRODUCT DESCRIPTION AND USER’S MANUAL
© Axell Wireless Ltd A1829300 rev H 16 (86)
2.2 Building Blocks
The OMU is built in a 19” sub rack.
ERR
PWR
UL
DATA
DL
DATA
IN
OUT 1
OUT 2
ERR
PWR
UL
DATA
DL
DATA
IN
OUT 1
OUT 2
RF in
DL out
UL in
RF out
Modem Status
Modem Power
Status
Login
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LMT Port
Ethernet
Modem
ANT
PWRPWR
In OK
Out OK
In OK
Out OK
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
ERR
PWR
UL
DATA
DL
DATA
OPTO
Rx
OPTO
Tx
SC/APC
PWR
Battery
Power
21 1 543 6 7 8
LinkOK
On
Off
On
Off
On
Off
An OMU unit can contain the following modules:
1. Fibre Optic Converters (1 to 6 pcs can be installed)
2. Uplink (UL) Combiner and Downlink (DL) Splitter. These modules are always installed.
3. Modem Unit. This module is optional. This unit is used for modems that are not mounted on the Control
Module
4. External Alarm and Battery Module. This module is optional. This module is only used for Master OMUs
5. Control Module. This module is only used for Master OMUs
6. Rack Communication Board. This module is always installed.
7. Power Supply A and B (B is optional)
8. Modem Antenna Connection. This module is optional. This is used for OMUs with wireless modems
installed that need a separate antenna. This module can also be equipped with two connectors. For details,
see section
2.2.8 Modem Antenna Connection
In the next sections all modules are described in detail.