User's Manual

72 ALFOplus 24GHz (North America) - Release 01.05.0x - MN.00395.E - 004
8.8.1.1 ODU with integrated antenna
Install the antenna using the antenna installation guide (specific for each antenna) inside the antenna box
provided by antenna producer. Keep attention to the polarization of the antenna feeder depending on re-
quested polarization.
After the antenna is installed onto the pole, the ODU must be installed, see Fig.32
.
• Position the three holes circular flange (1) on the antenna flange and align the three holes on the
circular flange with the three relevant holes on the antenna flange
• Insert and tighten the three 3mm M4 Allen screws (2) using a 3mm Allen wrench (torque = 2 Nm).
• To maintain disassembly performances intact for a longer period add lubricant paste, e.g.
MOLYKOTE P-40, on threads of four 25mm bolts (3).
The sliding surfaces must be cleaned. The paste must then be applied with a suitable brish, rag or
grease gun. It must not be mixed with grease or oils. Chemical protective gloves must be worn
where repeated or prolonged contact can occur.
• Screw partially the four M10 bolts (3) on the antenna back plate: each bolt should be tightened to
have the square head out of the hole of about 13-14mm (the thickness of hook, use 15mm spanner)
• It is recommended to apply seal and lubricant grease Dow Corning 4 (not supplied) to the O-ring,
protecting fingers with gloves, and insert in the proper track on the ODU flange
• Position the ODU vertically near the four bolts on the antenna flange and align the ODU to match
the polarization of the antenna feeder:
- vertical polarization: the handle of the ODU is at the bottom left corner
- horizontal polarization: the handle of the ODU is at the bottom right corner
• After the right position has been found, rotate 30° counter clockwise the ODU and approach the
ODU to the antenna flange in order to have the four slots of the Standard Lock cross between the
four bolts
• Rotate 30° clockwise the ODU to hook each slots on the relevant bolt
• When each slot is firmly hooked on the relevant bolt, tighten each bolt (use 15mm spanner,
torque=46Nm)
• Optional: sun cover kit (AAAL00033) - Insert the sun cover and tie one of its bottom holes to the
ODU handle by means of the black plastic strip included in the sun cover kit
• The ODU is ready to be connected to the grounding cable and to the LAN cable.
Warning Leave 25 cm straight Lan cable between Amphenol connector and first bending to secure water-
proof IPx5.