User's Manual

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Connect all wires to insert according to wire list, then tighten all small screws.
The torque for small screws is 0.2Nm.
Assemble plastic nut to main body. Recommended torque : 1.0Nm.
(Note : The key inside the main body must go straight to slot of insert.)
Push the cable seal, pinch ring into the main body, then tighten the pressure screw into the body with
recommended torque : 1.0Nm.
3.1.9 Mounting of HRDU
HROU has slots to enable up to four HRDU modules to be mounted in it.
You can mount a HRDU into designated slot surely and should install each HRDU into its
designated location as shown in the installation diagram on the door of enclosure.
It is not possible to provide services with a HRDU module alone; you need to connect HRDU
cavity duplexer antenna port with CU’s designated port.
Figure 27. Location of each modules in the HROU