User's Manual
Table Of Contents
- 1 Introduction
- 2 Unit Descriptions
- 3 Installation Guidelines
- 3.1 General System Specifications and Requirements
- 3.2 Infrastructure Preparation
- 3.3 Antenna Specifications and Guidelines
- 4 IHU Installation
- 4.1 General Installation Information
- 4.2 IHU Installation
- 4.3 Grounding Chassis
- 4.4 RF Connections
- 4.5 IHU Fiber Connections
- 4.6 Management Connections
- 4.7 Power Connections and Power Up
- 4.8 Verifying Normal Operation
- 5 PSU6 Installation
- 6 MRU Installation
- 7 Appendix A: Specifications
- 8 Appendix B: Ordering Information
Corning Optical Communications User Manual I CMA-490-AEN I Page 76
4. Insert at least two additional screws into each of the cabinet rails to safely secure MRU and tighten.
5. (Optional) Insert the appropriate conduits (refer to Table 6-4 in Section 6.2.1 for recommended part numbers) in each of the
punched out knockouts.
6.2.4 MRU Connections
1. Ground the cabinet and MRU:
• For cabinet grounding instructions - refer to the manufacturers installation guide for instructions on cabinet grounding
• Using one of the grounding cables provided with the cabinet, ground the MRU chassis via the two-hole, standard barrel
grounding lug located on the front panel to one of the cabinet grounding bolts. Refer to Figure 6-17.
Figure 6-17. Grounding MRU to Cabinet
2. Connect RF antenna coax - (for both 4.3-10 Type “ANTENNA PORT” and “2.5GHz INPUT PORT”) route coax cable with 90
◦
right angle connector through its’ designated knockout (see Figure 6-13) behind and above the MRU chassis and connect to
the corresponding RF port. Refer to Figure 6-18.
3. Terminate unused RF ports with 50 ohm loads.
4. Route optical fiber from ICU and power cable through designated knockouts (see Figure 6-13) and connect according to
instructions in Section 4.4. Refer to Figure 6-18.