The Indoor Unit (IDU) Chapter 1
RADWIN 2000 User Manual Release 2.6.40 1-11
Figure 1-5: “Fat” ODU with embedded SFF antenna
The Indoor Unit (IDU)
The IDU has the service ports and provides aggregation of these services towards the ODU
that transports them over the air. The IDU also provides power to the ODU.
New style IDU-E for both WinLink 1000 and RADWIN 2000
The new style IDU-E is a carrier grade, compact, half 19 inch wide, 1U plastic unit, providing
up to two Ethernet ports and up to two E1/T1 interfaces. It offers Layer 2 support for Ether-
net service and HSS support for collocated links. It is a low cost unit intended for both Access
applications and Enterprise use.
Figure 1-6: New style IDU-E - front view (Note new HSS LED on the left)
The IDU-E rear panel (right to left) has a 25 pin Dry Contact Alarms port. the two (or no)
trunk ports, two LAN ports, an ODU port and finally a 3 pin DC power plug identical to that
used on the IDU-C.
Note
See the RADWIN Product Catalog for the range of ODU products available
in release 2.6.40.
The external antenna choices are:
• Single bipolar antenna
• Two monopolar antennas
• Single monopolar antenna
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