User's Manual
Table Of Contents
- Preface
- Contents
- 1 Introduction
- 2 Safety requirements
- 3 Physical description
- 4 Installation prerequisites
- 6 Installing the iRM4451
- 6.1 Assembling cables
- 6.2 Routing pre-assembled power/GigE optical fronthaul/grounding cables
- 6.3 Installing the iRM4451 mounting bracket
- 6.4 Hoisting the iRM4451 on elevated structures
- 6.5 Installing the iRM4451 on the mounting bracket
- 6.6 Connecting the grounding cable
- 6.1 Connecting the RET cables
- 6.1 Connecting the GigE optical fronthaul cables
- 6.1 Connecting the –48 V dc power cable
- 6.2 Checking power
- 6.3 Installing the solar shield
- 7 Terms, Acronyms and Abbreviations
- 5 iRM4451 installation overview
Installing the iRM4451
iRM4451 RRH Product Description and Installation Guide 6-9
To connect grounding cable:
1. Fasten the dual-hole grounding lug and cable assembly to the iRM4451 chassis
grounding posts using two (2) M5-0.8 screws and washers (supplied by Operator).
See Figure 6-18.
Figure 6-18 Connecting the grounding cable
2. Tighten the bolts to 2.4 ft-lb (3.2 Nm) using a torque screwdriver.
3.
4.
5.
6.
6.1 Connecting the RET cables
This section provides the procedure for connecting the RET cable to the RET
connector socket.
To connect RET cable:
1. Insert RET cable into keyed 8-pin RET socket on iRM4451.
2. Twist the ferrule of the RET connector clockwise until it audibly ‘clicks’ into the
l
ocked position.
3.
4.
5.
6.
6.1 Connecting the GigE optical fronthaul cables
This section provides the procedure for connecting the GigE optical fronthaul cable to
the F1 or FH2 SFP connector sockets.