Installation Guide
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
Physical description
iRM4451 RRH Product Description and Installation Guide 3-5
Figure 3-6 iRM4451 ground connector location
3.2.1 GPS connector
There is a 50-Ω GPS SMA female connector located on the bottom of the iRM4451
as shown in
Figure 3-6
Operator supplies the GPS cable, GPS antenna and any required mounting
hardware.
Table 3-2 iRM4451 connectors
Description Control/Connector Type Quantity Function
–48V DC
Tyco TE CPC Series 5, 3-pin 1 Power input
(GND)
Dual-hole lug terminal 1 Equipment grounding
GPS
SMA (female), 50 Ω 1 Timing source input
RET
8-pin circular DIN 1
Provides +24 V dc and RS-485
control function for AISGv2.0-
compliant antenna remote
electrical tilt
FH1
Gigabit Ethernet optical SFP
modules, Q-XCO ODC-2
outdoor connector socket
1
Fronthaul data
FH2
1
ANT 1–4
7/16 conn (female), M29x1.5
threaded coupling, 50 Ω
4 RF to directional antennas