User's Manual
Table Of Contents
- SC 4812T-MC vs SC 4812T BTS Read Me First (Comparison)
- Contents
- Chapter 1 Manual Overview and BTS General Information
- Chapter 2 Inter-Frame Cabling
- Inter-Frame Cabling
- Cable Connections
- Cabling Diagrams and Descriptions
- Alarm / Span Cabling
- Equipment Compliance
- BTS System Timing Options
- RF Global Positioning Satellite (RF GPS) Cabling
- Remote Global Positioning Satellite (RGPS) Cabling
- Low Frequency Receiver / High Stability Oscillator (LFR/HSO) Cabling
- BTS Antenna Configuration
- BTS 60 Degree Sector (6 Sector) Transmit Path Cabling
- BTS 60 Degree Sector (6 Sector) Receive Path Cabling
- BTS 120 Degree Sector (3 Sector) Transmit Path Cabling
- BTS 120 Degree Sector (3 Sector) Receive Path Cabling
- Earth Ground Cabling
- BTS Power Cabling
- Chapter 3 Expansion Frame Cabling and Installation
- Expansion Frame (+27 V BTS Configuration)
- Expansion Frame Inter-Frame Cabling
- Expansion of the +27 V Frame
- RF GPS Expansion Installation
- Remote GPS Distribution Expansion
- High Stability Oscillator Expansion (HSOX)
- Local Area Network (LAN) Expansion Installation
- Setting Frame C-CCP Shelf Configuration Switch
- Chapter 4 Optional Equipment
- Optional BTS Equipment Identification
- BTS Antenna Configuration
- BTS 60 Degree Sector (6 Sector) Transmit Path Cabling
- BTS 60 Degree Sector (6 Sector) Receive Path Cabling
- BTS 120 Degree Sector (3 Sector) Transmit Path Cabling
- BTS 120 Degree Sector (3 Sector) Receive Path Cabling
- 3 Sector Non-Duplexed Cabling
- 3 Sector Duplexed
- 6 Sector Duplexed
- Chapter 5 What's Next and Site Cleanup
- Appendix A Carrier Add Instructions
- Index
Earth Ground Cabling
68P64115A19–4
Mar 2003
1X SC 4812T-MC BTS Hardware Installation - Software Release R2.16.1.x
CONTROLLED INTRODUCTION
2-41
Install Earth Grounding Cables
Install the earth ground cables according to the procedures in Table 2-33
(see Figure 2-18).
WARNING
S Do NOT wear a wrist strap when servicing the power
supplies or power distribution cabling! Serious personal
injury can result.
S Before starting the procedure, ensure that the BTS power
cables are not connected to the main DC source.
Table 2-33: Procedure to Install Earth Grounding Cables
Step Action
1 Route the ground cables (cable N) between the Master
Ground Bar (MGB) and the BTS frames.
NOTE
Ground cables must not have sharp bends.
2 Strip insulation from the BTS end of each cable.
3 Attach a ring lug to the BTS end of each cable.
4 Connect a ground cable (cable N) to the ground stud of each
BTS frame.
5 Connect the ground lugs to directional coupler bracket,
duplexer bracket, and RFDS (if used).
6 Attach the ground cables to the MGB using the appropriate
connectors.
2