Indoor Unit; General - SAF CFM-LM Series Technical Description

C F M - L M
P R O D U C T
T E C H N I C A L

Indoor Unit

General

The Indoor Unit (IDU) is the mandatory component of the CFM-LM microwave radio system and
it provides:
Means of interconnecting the Outdoor Unit and the user equipment,
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Local and remote management functionality,
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Supply voltage to the ODU.
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The following CFM-LM Indoor units are available:
•
CFM-8-REB
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CFM-16-REBM , CFM-34-REBM
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CFM-8-MUX, CFM-16-MUX
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CFM-8-4E1, CFM-16-8E1, CFM-34-16E1
•
CFM-M-MUX
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CFM-MP-MUX, supporting 1+1 link configurations.
The IDU is intended for installation in weather protected equipment shelters or inside buildings.
Each of the IDU terminals is implemented as 19" rack mountable aluminium 1U high unit (with
the exception of 1+1 CFM-MP-MUX IDU, which is 2U high). The depth of the unit is 230 mm
without front panel handles, 270 mm with handles.
All traffic interfaces are located on the front of the IDU.
The CFM series LM IDUs provide the following management ports:
RS232 serial management port, DB9 connector is located at the rear panel of the IDU,
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10Base–T Ethernet management port, RJ–45 socket is located at the rear side of the IDU
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panel,
Alarm port (optional), e.i., alarm relay outputs for power supply failure, Synch Lost alarm,
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Radio alarm, and transmitter PLL failure, as well as four additional inputs for user equipment.
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D E S C R I P T I O N
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