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 3-11
Table 3-5 LED indicators boot-up sequence
3.2.7 Vent port
A gas permeable vent has been installed on the iRM4451 to help equalize air
pressure inside the enclosure and prevent contaminants such as water, salt and
dust from getting inside (see
Figure 3-11). The vent fitting has a gas-permeable
membrane integrated into a screw-in fitting. It meets the IEC 60529 standard for
enclosure ingress protection against particulates and liquids. The vent should
function maintenance-free over the lifetime of the iRM4451.
Figure 3-11 Vent port
Indication Description Operation
Boot-up sequence for
all LEDs
Steady GREEN
1 second, except POWER LED controlled separately by
hardware state
Steady RED 1 second
Steady AMBER 1 second, except POWER LED stays RED
OFF 1 second, except POWER LED stays RED
Normal state n/a