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Chapter 1: Overview

Navini Networks, Inc. Ripwave Base Station I&C Guide

Chapter 1: Overview

Ripwave Description

A Ripwave system has three main components: the Base Station, the Modems, and the Element

Management System (EMS). The Base Station performs the Modem registration and call

processing, and provides the interface between the backhaul network and the EMS. It is made up

of the Base Transceiver Station (BTS) and the Radio Frequency Subsystem (RFS) (Figures 1, 2

& 3). This manual provides the guidelines and instructions for installing and commissioning

(I&C) the Base Station.

Figure 1 shows the system with both Secondary (built-in) and Primary (optional) Lightning

Protection. Lightning Protection helps to protect the RFS, the BTS, and the RF lines against

“tower lightning” events occurring at the Base Station. The customer must exercise judgment

when balancing risk against cost to decide whether to install the primary protection kit at an extra

cost or to rely on the secondary protection only. NOTE: Navini does not warranty equipment

against lightning strikes.

In addition to tower lightning events occurring at the base station, lightning events that occur

miles away from the BTS could generate intense electrical currents traveling over the power

and/or backhaul lines and into the BTS equipment, damaging it. For this reason, Navini

recommends adding surge protection devices at the power and backhaul demarcation points.

Figure 1: TTA Configuration with Primary and Secondary Surge Protection

CAL

Digital Shelf

Rectifiers (24 VDC, 60 A)

Frame

GPS

Antenna

Secondary (Built-in)

Surge Protectors

Ethernet

110/220 VAC

60/50 Hz

Demarc. Points

Omni or Panel Antenna

Power Amplifiers

Secondary (Built-in)

Surge Protectors

Lightning

Ground

Antenna

Bracket

Primary Surge Protectors

(Use Polyphasor surge protectors

with the CAL Cable and Huber+Suhner

surge protectors everywhere else)

Additional

grounding block

needed if main

cable run

exceeds 250 ft

(75 m)

These are not

Surge Protectors

but N-type/Female

to N-type/Female

bulhhead

connectors for

grounding

5 Ohm

maximum

Use

"Smart Jack"

for surge

protection!!!

Rectifier

Surge

Protection

Device

CAL

Digital Shelf

Rectifiers (24 VDC, 60 A)

Frame

GPS

Antenna

Secondary (Built-in)

Surge Protectors

Ethernet

110/220 VAC

60/50 Hz

Demarc. Points

Omni or Panel Antenna

Power Amplifiers

Secondary (Built-in)

Surge Protectors

Lightning

Ground

Antenna

Bracket

Primary Surge Protectors

(Use Polyphasor surge protectors

with the CAL Cable and Huber+Suhner

surge protectors everywhere else)

Additional

grounding block

needed if main

cable run

exceeds 250 ft

(75 m)

These are not

Surge Protectors

but N-type/Female

to N-type/Female

bulhhead

connectors for

grounding

5 Ohm

maximum

Use

"Smart Jack"

for surge

protection!!!

Rectifier

Surge

Protection

Device

Surge

Protection

Device

Summary of content (14 pages)

PAGE 1
Navini Networks, Inc. Ripwave Base Station I&C Guide Chapter 1: Overview Ripwave Description A Ripwave system has three main components: the Base Station, the Modems, and the Element Management System (EMS). The Base Station performs the Modem registration and call processing, and provides the interface between the backhaul network and the EMS. It is made up of the Base Transceiver Station (BTS) and the Radio Frequency Subsystem (RFS) (Figures 1, 2 & 3).
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Navini Networks, Inc.
PAGE 3
Navini Networks, Inc. Ripwave Base Station I&C Guide Procedural Documents & Forms You will refer to other Ripwave documents, procedures, and forms in the process of installing and commissioning the Base Station. The product documentation is provided on the Ripwave Standard Documentation CD (Table 1). As well, the EMS manuals can be viewed on-line through the EMS Server and Client applications.
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Navini Networks, Inc. Ripwave Base Station I&C Guide Different job holders may perform various portions of these activities and not necessarily all of the activities. In fact, Marketing and Engineering personnel typically handle the earlier tasks, while installation may be a stand-alone function. Commissioning may or may not be handled by the same people who designed or installed the site.
PAGE 5
Navini Networks, Inc. Ripwave Base Station I&C Guide Figure 4: High Level I&C Process Flowchart Phase I: Pre-installation - Site Selection, Design & Preparation BEGIN 1 - Complete the Project Plan for this deployment. 2 - Generate a coverage prediction map. 3 - Conduct a site survey, filling out the Site Candidate Evaluation Form. 4 – If this is a 2.4 GHz system, complete the Interference Analysis, following the Interference Sweep Procedure.
PAGE 6
Navini Networks, Inc. Ripwave Base Station I&C Guide Phase I: Pre-installation - Site Selection, Design & Preparation, continued A 6 - Complete the Network Architecture design. 7 - Antenna Power & Cable selection procedure. Appendix H: Antenna Power & Cable Selection Procedure & Form 8 - Develop a Bill of Materials (BoM). Appendix I: Sample BoM 9 - Acquire the materials.
PAGE 7
Navini Networks, Inc. Ripwave Base Station I&C Guide Phase II: Installation 1 - From the shipping containers received at the customer site, gather Manufacturing’s inventory sheet and test data that was collected before the BTS & RFS equipment shipped. Verify all equipment arrived (inventory it), serial numbers match paperwork, and the test data is available. Keep this as part of the customer site records. 2 - Install all system buss bars and surge protectors. 3 - Cut cables. Install connectors on cables.
PAGE 8
Navini Networks, Inc. Ripwave Base Station I&C Guide Phase II: Installation, continued A 10 - Install & verify the DC input power source to the BTS. Appendix N: Sample Tri-sector BTS Power Drawing 11 - Install the GPS antennas. 12 - Sweep the RFS. Record the results & the RFS serial numbers on the RFS System Test Form (same form as Step 3, Appendix K). 13 - Install the RFS & surge protectors and Connect cables to the RFS. 14 - Sweep the installed RFS & cables to verify connections & cable loss.
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Navini Networks, Inc. Ripwave Base Station I&C Guide Phase II: Installation, continued B 17 - If required in the Responsibility Assignment Matrix (RAM) portion of the Project Plan, test the backhaul to the customer demarcation point. 18 - Provide a printed package of the measured results and equipment inventory to the customer on-site. 19 - Go over the results using the printed package and obtain customer sign-off on the completion of the Installation portion of the work.
PAGE 10
Navini Networks, Inc. Ripwave Base Station I&C Guide Phase III: Commissioning 1 - Review the customer’s network plans - i.e., ATM vs Ethernet backhaul. No 2 - Are you using the customer’s EMS Server? 3a - Install & configure the Test EMS Server & Client. Yes 3b - Install & configure the customer EMS Server & Client. 4 - Install & configure the BTS in the EMS 5 - Enter the RFS configuration by running the RFS script that shipped with the antenna equipment. 6 - Verify that all cables are connected.
PAGE 11
Navini Networks, Inc. Ripwave Base Station I&C Guide Phase III: Commissioning, continued A 9 – Perform 3 calibrations. No 10 - Did it pass calibration? 11a - Perform system troubleshooting procedures. Yes Appendix Q: Base Station Calibration Verification Form 11b - Perform Base Station Calibration Verification.
PAGE 12
Navini Networks, Inc. Ripwave Base Station I&C Guide Phase III: Commissioning, continued B No 14 -Was the Test EMS used? Yes 15 - Install & configure the Customer EMS Server & Client. 16 – Configure BTS in the Customer EMS 17 - Enter the RFS configuration by running the RFS script that shipped with the antenna equipment. 18 – Verify EMS & BTS connectivity. Verify that the latency between EMS and BTS is less than 10 milliseconds 19 - Perform calibration. Ensure successful results 3 times.
PAGE 13
Navini Networks, Inc. Ripwave Base Station I&C Guide Phase III: Commissioning, continued C 20 - Verify that the GPS & Constellation Debugger are installed and operational on the Drive Study laptop 21 - Perform the LOS Location (FTP) Test. Complete 3 uploads & 3 downloads at 3 locations. Record the results on the FTP Test Form. (I&C Closeout Form) Appendix S: Location (FTP) Test Procedure & Form 22 - Perform the NLOS Location (FTP) Test. Complete 3 uploads & 3 downloads at 3 locations.
PAGE 14
Navini Networks, Inc. Ripwave Base Station I&C Guide Phase III: Commissioning, continued D 26b- Verify system operation with multiple Modems in use. 27 - Back up the EMS database. 28 - Gather all required documents & forms to create a delivery package for the Customer signoff and for the Navini Techical Support database. See Installation Closeout Documentation. 29 - Participate in the Customer sign-off of the Customer Acceptance Form.