NEC iPasolink 200 - With Ortho-Mode Transducer

ODU MOUNTING 5-39
Installation NWD-107460-02E
5.1.4 With Ortho-Mode Transducer
This section explains the antenna direct mounting type ODU installation with Ortho-
Mode Transducer (OMT).
There are two types of O-rings for antenna mounting to the OMT depending on the
frequency band.
Caution: Do not apply silicon grease to O-ring.
Note O-ring size is different with frequency band as follows:
Position of Large size
O-ring
For Antenna Direct Mounting
RFS Antenna
Position of Large size
O-ring
For Antenna Direct Mounting
ANDREW Antenna
3
2m
m
35m
m
Large size O-ring for Antenna Direct Mounting
26-38 GHz Band13-23 GHz Band
4 mm 4 mm
40m
m
10-11 GHz Band
4 mm
13-23 GHz Band 38 GHz Band
1
5
.6mm
Small size O-ring for Waveguide connection
1
0.8m
m
1.8 mm 1.8 mm
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