CORNING ONE - Page 9

Table of Contents P/N 709C011801 Page 9
DRAFT
3.3 GEM (Gigabit Ethernet Module) .................................................................................................................. 51
3.4 GEU-S (GEM Standalone) .......................................................................................................................... 52
4 Installation Guidelines ................................................................................................................................. 53
4.1 Infrastructure Preparation ........................................................................................................................... 53
4.2 Installation Requirements ............................................................................................................................ 53
4.3 Safety Guidelines ........................................................................................................................................ 53
4.4 Rack Installation Guidelines ........................................................................................................................ 54
4.4.1 Rack Safety Instructions .................................................................................................................. 54
4.5 Power Requirements .................................................................................................................................. 55
4.5.1 Power Safety Instructions ................................................................................................................ 55
4.5.2 Types of Power Supplies ................................................................................................................. 55
4.5.3 Circuit Breakers ............................................................................................................................... 55
4.6 RF Coaxial Cable Guidelines ...................................................................................................................... 56
4.6.1 General Cable Installation Procedures ............................................................................................ 56
4.6.2 RF Rules ......................................................................................................................................... 56
4.6.3 Coax Cable Lengths and Losses ..................................................................................................... 57
4.7 Antenna Specifications and Guidelines ....................................................................................................... 58
4.7.1 Authorized Antennas and Required Specifications .......................................................................... 58
4.7.2 General Installation Guidelines ........................................................................................................ 58
4.8 Fiber Optic Requirements ........................................................................................................................... 59
4.8.1 Authorized Optic Cables .................................................................................................................. 59
4.8.2 Fiber Optic Rules ............................................................................................................................. 59
4.9 Power Safety Instructions ........................................................................................................................... 60
5 Installation – RF Path Elements .................................................................................................................. 61
5.1 Headend Elements ..................................................................................................................................... 61
5.1.1 HEU Main and Auxiliary Configurations ........................................................................................... 62
5.1.2 HEU Installation ............................................................................................................................... 63
5.1.2.1 Unpacking and Inspection ......................................................................................................... 63
5.1.2.2 Mounting the HEU Chassis ....................................................................................................... 65
5.1.2.3 Installing all Modules ................................................................................................................ 66
5.1.2.4 Grounding HEU Chassis ........................................................................................................... 67
5.1.2.5 RIM Connections to RF Source ................................................................................................ 68