Andrew Wireless Innovations Group MN024-010 USERS MANUAL

Download

ION

rel. 24-10

-B Series

User Manual

Andrew Wireless Systems Srl

Via Pier De Crescenzi 40

48018 Faenza, Italy

Tel: +39 0546 697111

Fax: +39 0546 682768

This publication is issued to provide outline information and is not aimed to be part of any offer and contract. The Company has a policy of continuous product development and improvement and we therefore reserve the right to vary information quoted without prior notice.

System and Customer care is available world-wide through our network of Experts.

The company is certiﬁ ed ISO 9001 and ISO14000.

3MN024-010

Index

1. Introducing ION-B 10

1. Introducing ION-B 11

1.1 The Features 11

1.2 Brief Description of ION-B 11

1.3 ION-B Features 12

1.4 ION-B Typical Applications 13

2. Equipment Overview 16

2. Equipment Overview 17

2.1 Introduction 17

2.2. The ION-B Remote Unit and its relevant accessories 17

2.3. The ION-B Master Unit 19

2.4. ION-B additional options 22

2.5. Block Diagrams 24

3. TFAx Remote Unit 29

3.1. Introduction 30

The Main Tasks of the TFAx Unit: 30 Different Types of Remote Units 31

3.2. Case A Remote Unit 33

Dimensions and Weight: 33 RF ports: 33 Optical ports: 33 Visual Alarms: 34 Dry Contact Alarms: 34 Power Supply 34 Warnings (to be read before Remote Units are installed) 35

Dealing with optical output ports 35 Handling optical connections 35

TFAx Case A installation 36

Installing a Case A Remote Unit WITHOUT the TKA kit 36 Installation of the Case A Remote Unit WITH the TKA04 installation kit 38

TFAx Case A Start-Up 44 TFAx Case A Troubleshooting 44

3.3. Case B Remote Unit 45

Dimensions and Weight: 45 RF ports: 46 Optical ports: 46 Visual Alarms: 46 Dry Contact Alarms: 46 Power Supply 47

Dealing with optical output ports 48 Handling optical connections 48

TFAx Case B installation 49

Installing a Case B Remote Unit WITHOUT the TKA kit 49 Installation of the Case B Remote Unit WITH the TKA04 installation kit 51

TFAx Case B Start-Up 52 TFAx Case B Troubleshooting 57

ION-B User Manual

Quick troubleshooting procedure 62 Dry-contact troubleshooting 62 Fibre optic DL troubleshooting 63

3.4. Case R Remote Unit 65

Dimensions and Weight 65 RF ports: 66 Optical ports: 66 Visual alarms: 66 External alarms 66 Power supply: 67 Warnings (to be read before Remote Units are installed) 67

Dealing with optical output ports 67 Choosing a proper installation site for the Remote Units 67 Handling optical connections 67

TFAx Case-R installation 68 TFAx Case R Troubleshooting 72

3.5. Case-R2 Remote Unit 73

Dimensions and Weight 73 RF ports: 74 Optical ports: 74 Visual alarms: 74 External alarms 74 Power supply: 75 Warnings (to be read before Remote Units are installed) 75

Dealing with optical output ports 75 Choosing a proper installation site for the Remote Units 75 Handling optical connections 75

TFAx Case-R2 installation 76 TFAx Case R2 start-up 80 TFAx Case-R or Case-R2 troubleshooting 81

Quick troubleshooting procedure 85 Dry-contact troubleshooting 85 Fibre optic DL troubleshooting 85

3.7. Case F Remote Unit 87

Dimensions and Weight 87 RF ports: 88 Optical ports: 88 Visual alarms: 88 External alarms 88 Power supply: 88 Warnings (to be read before Remote Units are installed) 89 TFAx Case-F installation 90 TFAx Case F start-up 93 TFAx Case F troubleshooting 93

Quick troubleshooting procedure 95 Fibre optic DL troubleshooting 95

4. Rack-based Master Unit 99

4.1. TPRNx4 Subrack 101

Major TPRN features 101 TPRN models 101

220 Vac powered sub-racks (TPRN14 / TPRN24) 102

-48Vdc powered sub-rack (TPRN34) 102

TPRN power supply 103

Universal mains 103

5MN024-010

-48 Vdc 103

TPRN ports 104

RS232 serial port 104 RS485 port 105 Sub-D 15 poles male connector 105

PIN 106 Name 106 Meaning 106 TPRN alarms 108 Warning (recommended for system designing and installing) 108

Providing correct heat dissipation 108 Minimizing equipment costs 108

TPRN Installation 109 TPRN Troubleshooting 111

4.2. Fast MiniRack, TPRF31 113

Major TPRN Features 113 Dimensions and Weight 114 On/Off Switch and Power Supply 114 Reset and Store/Clear buttons 114

Reset 114 Store/Clear 114

Visual Alarms 115 TPRF31 Ports 115

RS232 Serial Port 115 RS485 Port 116 Auxiliary Inputs 118 External Alarms 119

Warning (recommended when designing or installing) 120

Providing correct heat dissipation 120

TPRF31 Installation 120

Mounting the TPRF31 on a wall 122

TPRF31 Start-Up 122 TPRF31 Troubleshooting 124

4.3. Master Optical TRX, TFLN 127

Main tasks carried out by the TFLN module 127

Downlink (DL): 127 Uplink (UL): 127

RF ports 127 Optical ports 127 TFLN Visual Alarms 128 TFLN power supply 128 Warnings (to be read before TFLN installation) 128

Dealing with optical output ports 128 Handling optical connections 129 Inserting or removing TFLN modules 129 TFLN Positioning 130

TFLN Installation 130 TFLN Start-Up 131 Removing a TFLN Module 133 TFLN Troubleshooting 133

Quick Troubleshooting Procedure 134 Fibre Optic UL Troubleshooting 134

4.4. Two-way Splitter/Combiner, TLCN2 137

Description: 137 RF Ports 137 TLCN2 Main Applications 137 TLCN2 Insertion Loss 138

ION-B User Manual

Warnings 138 TLCN2 Installation 138

4.5. Four-way Splitter/Combiner,TLCN4 139

Description: 139 RF Ports: 139 TLCN4 Main Applications 139 TLCN4 Insertion Loss 140 Warnings 140 TLCN4 Installation 140

4.6. RF Dual Band Coupler TLDN 141

Description: 141 RF Ports 141 TLDN Main Applications 141 TLDN Insertion Loss 142 Warnings 142 TLDN Installation 142

4.7. RF Tri Band Coupler TLTN 143

Description: 143 TLTN Models 143 RF orts 143 TLTN Main Applications 144 TLTN Insertion Loss 144 Warnings 144 TLTN Installation 144

4.8. RF Duplexer, TDPN 145

Description: 145 RF Ports 145 TDPN Main Applications 145 TDPN Insertion Loss 145 Warnings 145 TDPN Installation 146

4.9. Base Station Interface TBSI 147

Description 147 RF Ports 147 TBSI Main Applications 147 TBSI Insertion Loss 148 Warnings 148 TBSI Installation 148

4.10. Power Limiter TMPx-10 149

Description 149 RF Ports 149 TMP Main Applications 149 TMP Visual Alarms 149 TMP Power Supply 150 TMP Insertion Loss 150 Warnings 150 Inserting or Removing TMP Modules 150

Before to install the TMP Module 150 Setting the GSM 900 MHz / DCS 1800 MHz jumper (only for TMP2-10) 150 TMP Installation 151 Removing a TMP Module 152

TMP Troubleshooting 152

Quick Troubleshooting Procedure 152

7MN024-010

5. Conﬁ guration Examples 155

5. Conﬁ guration Examples 156

5.1 Introduction 156

5.2. Multi-operator applications 156

5.3. Multi-sector applications 159

5.4. Fast MiniRack applications 162

6. Warning and Safety Requirements 163

6. Warning and Safety Requirements 164

Environmental Conditions 164 Installation Site Features 164 Safety and Precautions During Installation or Maintenance 165 Power Supply Connection 166 Safety and Precautions for Lasers 166 Health and Safety Warnings 167

RSS Canadian standards 167

Electromagnetic Fields and RF Power 167 Warning Labels 171

7. TECHNICAL SUPPORT 172

7. TECHNICAL SUPPORT 173

Returning Equipment 174

Appendixes 175

Appendix A: System Commissioning 176 Appendix B: EU Guidelines for WEEE Disposal 180

Disposal Guidelines 180

ION-B User Manual

9MN024-010

1. Introducing ION-B

ION-B User Manual

1. Introducing ION-B

1.1 The Features

ION-B is an innovative platform designed in order to provide an effective and ﬂ exible coverage to a large variety of indoor scenarios. Thanks to its high modularity, its low power consumption, and its full-transparency to protocols and modulation formats, ION-B is the perfect plug&play solution to distribute any wireless standard (including GSM, GPRS, EDGE, CDMA, W-CDMA, and WLAN IEEE 802.11b/g) to the inbuilding environments requiring reliable and interference-free communications, as well as high trafﬁ c capacity and maximum ﬂ exibility about future expansions. These unique features make the ION-B platform suitable also for applications to critical areas experiencing difﬁ culties in establishing and keeping phone calls, while its compact design always guarantees a minimum aesthetic impact.

1.2 Brief Description of ION-B

ION-B is a Distributed Antenna System (DAS) based on the Radio-over-Fibre (RoF) technology, and capable of carrying wireless mobile signals through the 800MHz - 2500MHz frequency range regardless of their protocol and their modulation format. The system has two basic components, a Master Unit and a Remote Unit. The Master Unit is made of one or more subracks typically connected to the BTS (Base Tranceiver Station) through either a repeater (RF interface) or a coaxial cable. Each Remote Unit is connected with a dedicated pair of single-mode optical ﬁ bres (one for UL and one for DL) to the Master Unit. These optical ﬁ bres work on 1310 nm wavelenght and provide low losses and almost unlimited bandwidth, available for future system developments. ION-B is a modular system whose basic components are:

• one Master Unit made of one or more subracks, each providing 12 module slots. Each slot can host either an active or a RF passive device (chosen among the wide range of ION-B options), in order to meet the planned design requirements;

BTS

RF Interface

TFLN

Figure 1: ION-B system block diagram

Unit

Remote

11MN024-010

• a variable number of Remote Units (TFAx), whose function is feeding the antenna passive network;

• a proper number of indoor antennas, suitable to provide radio coverage to the area. ION-B is fully compatible with any type of indoor antennas;

• the optical cables required to connect the 19” subracks to the TFAx.

1.3 ION-B Features

The following lines report a brief summary of ION-B main features:

• multiband 2G, 2.5G and 3G – 802.11b WLAN compatible: ION-B is completely transparent to any transmission protocol and modulation format, and it can distribute any 2G, 2.5G, 3G wireless standard. In addition, it allows to carry also the WLAN (802.11b/g) service over the same infrastructure;

• modular conﬁ guration for ﬂ exible design: by properly setting some parameters like the amount of RUs and the antenna locations, the ION-B architecture can follow the environment speciﬁ c features in order to obtain the most effective radio-coverage of the indoor area. The modularity of the system allows easy modiﬁ cations for future growth and increasing trafﬁ c;

• easy to install: the intelligent plug & play ION-B system includes an Automatic Gain Control (AGC), that eliminates system gain variations regardless of optical loss. This avoids the need for ﬁ eld adjustments, thus reducing design, installation and optimization time.

• low-power consumption: establishing a “quasi line-of-sight propagation” towards all mobile phones inside the area, ION-B works with low power levels. Low power levels have two great advantages: 1) allow mobile phones to work at lower power levels, thus limiting the radiated emissions and increasing their battery life; 2) allow a better control of interference effects between adiacent cells.

• central supervision functions: all individual alarms of ION-B system are stored in an internal ﬂ ash memory, and available to both local and remote connections. Detailed alarm information is provided by special software (i.e. by Supervision or Maintenance software tools) running on a locally connected host, as well as any information about alarm status and alarm history is available to remote connections via TCP/IP protocols, SNMP agent, or HTTP servers. This alarm information is visible also by means of LEDs present on the front panels of both the MU and the RUs;

• multiple-carriers system: there are no restrictions on the number of carriers that the ION-B can convey. Obviously, the more carriers per service, the less power per carrier;

• remote power supply: in case mains cannot be used for the Remote Units, ION-B offers a centralised power supply option, which distributes both a DC low-voltage (-48V) power and the optical signals through a composite ﬁ bre optic/copper cable;

• wide variety of RF passive devices: the connections between the DAS and the local BTSs are able to be arranged so as to get the best ﬁ t for the customers needs. ION-

ION-B User Manual

B equipment provides RF splitters/combiners, cross band couplers, attenuators, and duplexers for UL/DL paths, thus allowing maximum in design ﬂ exibility;

• high reliability: high MTBF (Mean Time Between Failure).

1.4 ION-B Typical Applications

Due to its unique features, the ION-B is an ideal solution for radio coverage in a variety of situations:

• Multi-operator shared infrastructures: each mobile operator has its own carrier which needs to be transported without interfering the others. The ION-B is capable of transmitting multiple carriers simultaneously while providing independent level adjustments for each of them, ensuring maximum performance and reducing infrastructure costs.

• High rise buildings: RF signals from surrounding macrocells or external BTSs are usually quite strong inside high rise buildings and can cause so much interference that indoor mobile communications often become impossible. By strategically placing antennas along the exterior walls of the building, the signal to noise ratio can be optimised. This interference control solves many problems, such as the “ping pong” effect that sometimes is experienced when a mobile frequently changes from indoor to outdoor coverage.

• Exhibitions, conventions, and shopping centres: the critical aspect of these environments is their high trafﬁ c loads, which are furthermore also highly variable. Thus, the main goal in these cases is to set up radio coverage enabling the effective management of these variable trafﬁ c loads, with neither undervalued nor overvalued infrastructure expenses. A unique feature of the ION-B is that RF frequencies can be allocated quickly when and where they are needed, thus reducing implementation costs. This makes the ION-B an ideal solution for temporary or last minute requests (such as conferences).

• Airports: require both modular and ﬂ exible radio coverage in order to meet their current needs while also foreseeing future expansions. The ION-B is able to manage heavy trafﬁ c loads, providing a high level of quality with minimum environmental impacts, its modularity also allows for future expansions.

• Corporate buildings: inside a corporate building, frequent disruptions during mobile communications may limit business transactions. These environments are often complex and densely populated while having speciﬁ c requirements: heavy trafﬁ c capacity, high expectations regarding quality of service, full compatibility with wireless standards and future expandability. The ION-B guarantees high quality radio coverage in all of the above conditions and maintains maximum ﬂ exibility while managing any possible trafﬁ c conditions.

• Subways and densely populated metropolitan areas: These areas are distinguished by large surface areas, and may require RUs to be placed far away from the BTSs. The ION-B guarantees signal integrity for distances up to 3km, while through the

13MN024-010

wideband interconnect link option, distances of 20km can be reached. Moreover, these environments require gradual investments, because initially operators tend to provide radio coverage only in the busiest areas, and then extend it in order to reach complete coverage later. The modularity of the ION-B helps operators to gradually expand the system. Often, large cities set up seamless and reliable radio systems for emergency services. In these cases, the required RF infrastructure needs to be unobstrusive and environmental friendly; this can be achieved using an ION-B DAS. When redundancy is required, two interleaved ION-B systems can be used, management and supervision for these systems can be remotely established by means of an external modem and an open protocol such as SNMP.

ION-B User Manual

15MN024-010

2. Equipment Overview

ION-B User Manual

2. Equipment Overview

2.1 Introduction

The basic components of an ION-B system (please refer to ﬁ g. 2.1.) are the following:

• a Master Unit, able to bring the mobile signals from the BTS to different Remote Units and vice-versa, thus remotising the distribution and collection of any mobile signals via ﬁ beroptic cables;

• a variable number of Remote Units, conveying and receiving mobile signals through lowpower antennas.

BTS

A brief introduction to the main components of the ION-B system’s Master and Remote Units is presented in the following text. The details of each component can be found in the subsequent sections of this manual.

ION-B Master Unit

Fig. 2.1: Basic scheme of an ION-B system

Remote Unit

TFAx

2.2. The ION-B Remote Unit and its relevant accessories

(b)

(a)

(c)

(e)

(d)

Fig. 2.2: Different versions of the ION-B Remote Units: (a) Case-A Remote Unit (b) Case-B Remote Unit; (c) Case -R Remote Unit; (d) Case-R2 Remote Unit; (e) Case-F Remote Unit

17MN024-010

The Remote Unit (TFAx) is a device which provides optical-to-electrical downlink conversion and electrical-o-optical uplink conversion, thus allowing a bidirectional transmission of signals between the Master Unit and the remote antennas. It is available in 3 different power conﬁ gurations (Low/Medium/High), housed by 4 different architectures (Case B, Case R, Case R2 and Case F), so as to fulﬁ l different coverage and band requirements.

In downlink, each TFAx receives an optical signal from the Master Unit, performs an optical-toRF conversion, and transmits the resulting signal to the 2 antenna ports. In uplink, it receives an RF signal from the remote antennas, provides an RF-to-optical conversion, and conveys the converted signal to the Master Unit through optical ﬁ bres. The ION_B Remote Units are available both with power supply 90÷264 Vac and with power supply -72÷-36 Vdc. Each ION-B Remote Unit is provided with a suitable external power adapter (TPSNx: please refer to table 2.1). Last, each ION-B Remote Unit has a wideband auxiliary channel, which can be exploited for dedicated RF distribution.

Remote UnitS and accessories

Unit name/

Module name

TFAx-case A

TFAx Case B

TFAx Case R

TFAx Case R2

TFAx Case F

TFBWx

TKA04

TPSN 1-40

TPSN 1-80

Description Dimensions (L x W x H)

Remote Unit

WLAN booster

Remote Unit installation kit

External power supply

200 x 240 x 38 (mm)

240 x 240 x 38 (mm)

330 x 200 x 122.5 (mm)

330 x 250 x 122.5 (mm)

546 x 253 x 207 (mm)

240 x 200 x 38 (mm)

340 x 240 x 55 (mm)

175 x 80 x 54 (mm)

TPSN 3-30

TPSN 3-80

External power supply

Table 2.1: Different cases of ION-B Remote Units,

with dedicated ION-B accessories.

175 x 80 x 51 (mm)

ION-B User Manual

2.3. The ION-B Master Unit

The ION-B Master Unit is a widely-ﬂ exible system. Its modular feature allows it to be developed both for simple installation-friendly, unobstrusive applications to complex installations, involving a virtually unlimited number of subracks, and distributed through several ﬂ oors of a building or through a 20km distance. The following text presents a brief overview of the components of these units.

The TPRF31 Fast MiniRack is a 19” x 1HE fastMiniRack housing 2 slots: it can therefore accommodate 2 of the single-slots (7TE x 4HE) ION-B cards presented in the following. Thanks to

Fig. 2.3 TPRF31 subrack

its turnable brackets, the TPRF31 is suitable both for wall and rack-mounting, and can therefore be used both as a stand-alone unit (for simple ION-B installations) and as an integration of a bigger and more complex ION-B system .

The TPRN sub-rack is a 19”x 4HE subrack with 12 slots, each one sized 7TE x 4HE. As each ION-B module takes up one or two slots, each Master Unit can host up to 12 modules, depending on the design conﬁ guration and requirements.

Fig. 2.4 TPRN subrack

The Master Optical TRX (TFLN): in downlink, it provides an RF-to-optical conversion of the signal coming from the BTS, and transmits it to 4 optical outputs, so as to feed 4 TFAx. In uplink, it provides optical-to-RF conversion for 4 optical signals coming from the RUs, and it combines them into a single RF output, while providing automatic gain control in order to balance the ﬁ bre losses. Module dimensions: Width = 7TE, Height = 4HE (one slot in the master unit sub-rack).

The Duplexer (TDPN): it combines the downlink (DL) and the uplink (UL) paths into a single one, while maintaining the required isolation. The module dimensions are: Width = 7TE, Height = 4HE

Fig. 2.6 TDPN card

Fig. 2.5 TFLN card

19MN024-010

The variable RF attenuators (TBSI): they provide independent attenuations (adjustable from 0 to 30dB, with 1dB steps) on uplink and downlink RF paths, and allow the designer to optimize the signal level close to the BTSs. TBSI is an override attenuator, its dimensions are: Width = 7TE, Height = 4HE.

Fig. 2.7 TBSI card

The Dual Band Coupler (TLDN): in downlink, it combines a low band RF signal (800 to 1000 MHz) and a high band RF signal (1700 to 2500 MHz) into a common RF port; in uplink, it splits a composite signal between a low band RF port and a high band RF port. Module dimensions are: Width = 7 TE, Height = 4 HE.

Fig. 2.8 TLDN card

The Tri Band Coupler (TLTN): in downlink, it combines a Low Band signal, a Middle Band signal, and a High Band signal into a communal one; in uplink, it splits the triple band signal among the three RF single band paths. Please refer to table 4.7.1 or to the bulletin PA-100596-EN for further information about the different band conﬁ gurations. Module dimensions are: Width = 7 TE, Height = 4 HE.

Fig. 2.9 TLTN card

The RF splitters/combiners (TLCN2 and TLCN4): TLCN2 is a 2-way splitter/combiner. TLCN4 is a 4-way splitter/ combiner. They can be used in a variety of different situations, such as:

• To connect a BTS with several master optical TRXs. In uplink, the TLCN2 (or TLCN4) combines 2 (or 4) RF signals which come from different master optical TRXs into a common RF signal entering the BTS. In downlink, the TLCN2 (or TLCN4) splits the downlink composite RF signal which comes from the BTS into 2 (or 4) RF ports, entering different master optical TRXs.

(a) (b)

Fig. 2.10 TLCN2 (a) and TLCN4 (b) cards

ION-B User Manual

• To connect several BTSs to a master optical TRX. In downlink, the TLCN2 (or TLCN4) combines the RF signals coming from different BTSs into a common RF signal, entering the master optical TRX. In uplink, the TLCN2 (or TLCN4) splits the composite RF signal coming from a master optical TRX into 2 (or 4) RF signals entering different BTSs.

The Power Limiter (TMPx-10): it monitors the DL power coming from the BTS and attenuates it by 10 dB in case it surpasses a programmable threshold level. The TMP2-10 Power Limiter is for 2G and 2.5G signals, working at 900 MHz and 1800 MHz. The TMP3-10 Power Limiter is for 3G signals. Both modules are 7TE wide and 4HE high.

Fig. 2.11 TMPx-10 card

Table 2.2 shows an overview of the basic components of the ION-B Master Unit.

Basic components of ION-B Master Units

Unit name/

Module name

TPRF31

TPRN04

TPRNx4

TFLNx

TLCN 2

TLCN 4

TBSI 2-30

TDPNx

Description Dimensions, H x W ( x D)

Fast MiniRack

Passive subrack

Active subrack

Master Optical TRX

2-way splitter

4-way splitter

Adjustable attenuator

UL/DL duplexer

19” x 1HE x 286mm

19” x 4HE x 350mm

19” x 4HE

7TE x 4HE

TLDNx

TLTNx

TMPx-10

Table 2.2: Overview of the components and accessories for the ION-B master unit

Dual band coupler

Tri band coupler

10 dB power limiter

7TE x 4HE

21MN024-010

2.4. ION-B additional options

The basic ION-B structure described above can be furtherly expanded or supported by a range of ION-B options, including:

• A supervision unit (TSUN), enabling to supervise and manage the ION-B system through any PC or Laptop, thanks to a web-interface supporting the TCP/IP, FTP, HTTP, protocols, and fully compatible with general purpose SNMP managers.

• RF boosters, which can be connected to the auxiliary channels of the ION-B Remote Units, thus providing RF coverage in some particular frequency bands (e.g. AWS 1700 MHz in US, Wi-Fi, or Wi-Max);

• A wide range of Interconnect Link options (TIL), i.e. a set of master-slave modules which enable to expand the ION-B system through additional subrack stations, up to 20 km away from the main one.

• A Remote Powering Unit (TRSN), providing -48Vdc power supplying through composite ﬁ beroptic/copper cables

Table 2.3 shows an overview of these ION-B accessories and of the corresponding Andrew bulletins you should refer to for further information.

(a)

(e)

(f)

(b)

(d)

(c)

  

(g)

Fig. 2.12: TSUN supervision unit, available both as a plug-in card (a) and as a stand-alone module (b) ; Wi-Fi (c) and (AWS 1700 MHz) boosters; Interconnect-link master modules (e) and slave modules (f); TRSN Remote Powering units (g)

ION-B User Manual

Although the following table tables show a brief overview of the main ION-B additional options, we strongly recommend you to contact your reference Andrew Salesperson or Product Line Manager in order to have For a full overview of the ION-B options,

Main ION-B additional options

Unit name/

Module name

ION-B Supervision Unit

(TSUN 1, 3, 6)

ION-B Wi-Fi options

TIL Interconnect link

RF dedicated booster

TRSN Remote Power Units

Table 2.3: Overview of the components and accessories for the ION-B rack-based master unit

Reference Bulletin Reference Manual

PA-100596-EN

PA-100928-EN

BR-102130-EN

PA-102073-EN

PA-102072-EN

MN023

MN031

MN032

MN033

Mechanical

Decription

Available both as a plug-in card

and as a stand-alone unit

Different solutions available

multi-module master side + multi-module slave side

(each one made of a variable

number of plug-in cards)

stand alone unit,

240 x 200 x 38 mm

19” x 3HE (low power version)

19” x 1HE (medium power

version)

23MN024-010

2.5. Block Diagrams

In order to better understand the functionalities of the different units and modules, some block diagrams of the ION-B system are presented here.

The core of an ION-B system is the ION-B master unit, which generally develops through a passive section (providing Level adjustments, Signal splitting/combining, and Band coupling), followed by an Electrical/Optical conversion (allowing the signal to be distributed through ﬁ beroptic cables to the TFAx Remote Units).

Simple and unobstrusive ION-B installations can be developed through the TPRF31 fast MiniRacks, which allows a great deal of installation solutions, such as:

- hosting two electrical/optical transceivers, while developing external passive combining

- hosting one electrical/optical transceiver, plus one ION-B interface card (providing splitting/ combining , band coupling or level adjusting). Please note that more TPRF31 modules can be combined to achieve a more complex, spacesaving system conﬁ guration. Tipical ION-B conﬁ gurations based on a single TPRF31 Fast MiniRack are shown in ﬁ g. 2-13.

BTS

External

splitting/combining

section

Splitting/combining section

ION-B Fast Minirack

TFLN

Master Optical Trx

TFLN

Master Optical Trx

(a)

ION-B Fast Minirack

TFLN

Master Optical Trx

ION-B passive card

(either splitting/combining

or level adjusting

Remote Unit

TFAx

Remote Unit

TFAx

Remote Unit

TFAx

(b)

Fig. 2.13: ION-B conﬁ gurations based on a TPRF31 Fast MiniRack: (a) Conﬁ guration hosting 2 TFLN optical

transceivers; (b) Conﬁ guration hosting 1 TFLN optical transceiver and 1 splitting/combining card

ION-B User Manual

Although TPRF31 proves to be very ﬂ exible, complex distribution systems usually can be better served by rack-based ION-B Master Units: such ION-B installations are based on one or more TPRN-subracks, thus exploiting the wide range of ION-B passive cards (TDPN, TMP, TBSI, TLCN2, TLCN4, TLTN, TLDN), in order to build the passive network which best matches the costumer’s needs. Let’s see some examples of such rack-based conﬁ gurations. Firstly, assume that the BTSs are not duplexed. In this case, no TDPN module (see ﬁ g. 2.14) is required. Moreover, assuming that the Master Unit is made up of one or more subracks located in a single site, we do not need an interconnect link in order to remotise a second subrack. The scheme of this network conﬁ guration is reported hereafter in ﬁ gure 2.14.

Now let’s consider the same network conﬁ guration, but with duplexed BTSs. In this case, some TDPN modules (see ﬁ g. 2.7) are required in order to combine UL and DL ports on single RF channels. The scheme of this network conﬁ guration is reported hereafter in ﬁ gure 2.15.

If we need to expand our ION-B network to a wider area, please note that the Interconnectlink option allows you to use a second subrack station at a distance of up to 20km from the site where the main subrack station is located. Please refer to the dedicated Interconnect link brochure (Table 2.3) for further details.

25MN024-010

Frequency

Band 3

BTS

Frequency

Band 2

BTS

Frequency

Band 1

BTS

Fig. 2.14: Block diagram of an

ION-B conﬁ guration supporting

a triple-band system with

DUPLEXED base stations.

,EVELADJUSTMENT

COMBINING

SPLITTING

3ERVICE

Master Unit

Attenuator

Fixed

Duplexer

TDPN

Attenuator

TBSI

Attenuator

Fixed

Duplexer

TDPN

Attenuator

TBSI

Multi-band

Combiner

TLTN

Attenuator

Fixed

Duplexer

TDPN

Attenuator

TBSI

COMBINING

SPLITTING

3IGNAL

%LECTRICAL/PTICAL

CONVERSION

/PTICAL%LECTRICAL

CONVERSION

Optical Trx

Master

TFLN

Remote Units

REMOTE

TFAx

UNIT

Optical Trx

REMOTE

UNIT

Combiner

Master

TFLN

TFAx

Splitter/

TLCN4

Optical Trx

Master

REMOTE

UNIT

TFAx

TFLN

Optical Trx

REMOTE

UNIT

Combiner

Splitter/

Master

TFLN

TFAx

TLCN2

Optical Trx

Master

REMOTE

UNIT

TFLN

TFAx

Optical Trx

Master

REMOTE

UNIT

Combiner

Splitter/

TLCN4

Optical Trx

TFLN

TFAx

UNIT

Master

TFLN

REMOTE

TFAx

Optical Trx

Master

REMOTE

UNIT

TFLN

TFAx

ION-B User Manual

TFAx

REMOTE

UNIT

TFAx

REMOTE

UNIT

TFAx

REMOTE

UNIT

TFAx

REMOTE

UNIT

TFAx

REMOTE

UNIT

TFAx

REMOTE

UNIT

TFAx

REMOTE

UNIT

TFAx

REMOTE

UNIT

Remote Units

CONVERSION

/PTICAL%LECTRICAL

TFLN

Master

Optical Trx

TFLN

Master

TFLN

Optical Trx

Master

TFLN

Optical Trx

Master

TFLN

Master

Optical Trx

CONVERSION

TFLN

Optical Trx

Master

TFLN

Optical Trx

Master

TFLN

Optical Trx

%LECTRICAL/PTICAL

TLCN4

Splitter/

Combiner

TLCN2

Splitter/

Combiner

TLCN4

Splitter/

Combiner

3IGNAL

COMBINING

SPLITTING

Master Unit

TBSI

Attenuator

Fixed

Attenuator

BTS

Band 1

Frequency

TLTN

Combiner

Multi-band

TBSI

Attenuator

Fixed

Attenuator

BTS

Band 2

Frequency

TBSI

Attenuator

Fixed

Attenuator

BTS

Band 3

Frequency

3ERVICE

COMBINING

,EVELADJUSTMENT

Fig. 2.15: Block diagram of an

ION-B conﬁ guration supporting

a triple-band system with NOT

DUPLEXED base stations.

SPLITTING

27MN024-010

ION-B User Manual

3. TFAx Remote Unit

29MN024-010

3.1. Introduction

The Main Tasks of the TFAx Unit:

Downlink (DL):

• Optical-to-RF conversion of the input optical signal

• Automatic Gain Control (AGC) of each converted signal, in order to compensate optical losses;

• RF ampliﬁ cation: the converted RF signal is boosted in order to maintain a good signal-tonoise ratio

• RF ﬁ ltering: a proper ﬁ lter rejects the spurious emissions

• RF duplexing and splitting: the boosted RF signal is conveyed to 2 antenna ports

Uplink (UL):

(b)

(a)

(d) (e)

Fig. 3.1.1: ION-B Remote Units: different cases for different solutions

(c)

• RF ampliﬁ cation: a low noise ampliﬁ er boosts the signal received from antennas in order to maintain a good signal-to-noise ratio

• RF ﬁ ltering: the boosted signal is cleaned of the spurious emissions

ION-B User Manual

• Automatic Level Control (ALC): the RF signal level is adjusted according to blocking requirements

• RF-to-optical conversion of the signal, which is ﬁ nally conveyed to the output optical port

Different Types of Remote Units

In order to allow radio coverage with different power and band requirements, the ION-B architecture provides a wide variety of Remote Units. This allows the customer to choose the solution which best ﬁ ts its coverage and environmental demands.

Depending on the bands where the radio coverage has to be provided and on the signal power required to cover the environment, your Remote Unit will fall into one of the topologies shown in ﬁ gure 3.1.1.

The following 4 sections of the manual refer to these 4 Remote Unit topologies. Please follow the instructions described in the section corresponding to the case (A, B, R, R2, F) of your particular Remote Unit. The case of your Remote Unit can be easily identiﬁ ed in Figure 3.1: or, as an alternative, you could contact your Sales representative or check it on the ofﬁ cial ION-B Brochure (see ﬁ g.

3.1.2),. As in ﬁ g. 3.1.2, the “TFAM 91/18/20” Remote Unit proves to be described in the Andrew bulletin PA-100508-EN. Look through the Remote Unit’s dedicated bulletin in order to get all of the technical speciﬁ cations concerning the unit itself.

Remote UnitS Power Class*, dBm Case Product Code Bulletin Code GSM900 EGSM900 GSM1800 UMTS2100 LMR800 Cellular850 LMR900 AWS1700 PCS1900 PCS1900 Ext.

27 - - 27 - - - - - - B TFAM 90/20 PA-100582-EN

- 27 - 27 - - - - - - B TFAM 91/20 PA-100583-EN

- - 27 27 - - - - - - B TFAM 18/20 PA-100584-EN

- 32 32 36 - - - - - - R2 TFAM91/18/20 PA-101508-EN

- - - - 27 - - - 27 - B TFAM 80/19 PA-100801-EN

- - - - - 27 - - 27 - B TFAM 85/19 PA-100805-EN

- - - - - - - 27 27 - B TFAM 17/19 PA-101848-EN

- - 27 - - 27 - - - - B TFAM 85/18 PA-100808-EN

- - - 27 - 27 - - - - B TFAM85/20 PA-100809-EN

- - - - 21 - 21 - - 27 B TFAM80/92/19E PA-101058-EN

Fig. 3.1.2: Remote Unit description in the ofﬁ cial ION-B Brochure (Rev. 03/07)

31MN024-010

TFAM

Case A

ION-B User Manual

3.3. Case A Remote Unit

Dimensions and Weight:

Dimensions: 38 x 240 x 200 mm (1.5 x 9.4 x 7.9 inches) Weight : please refer to the Remote Unit dedicated bulletin in order to discover any

updated data regarding the weight of the case A Remote Unit

LED alerts

Green =power ON;

Red = major alarm

TFAM

Case A

Power supply

connector

RF auxiliary DL channel

output

antenna

port

optical

port

Fig. 3.2.1: TFAx Case A Remote Unit

optical

port

antenna

port

RF auxiliary UL channel

input

External

alarm

connection

RF ports:

• 2 RF antenna ports, transmitting/receiving signals to/from distributed antennas. RF antenna ports are duplexed N-female connectors. These RF ports can be connected to the antennas either directly (ie. through RF jumper cables) or through splitters, thus allowing more antennas to be fed. Unused RF ports have to be terminated with a 50 Ω load.

• 1 RF auxiliary input and 1 auxiliary output (designed to receive and transmit additional signals). Auxiliary input and output ports are SMA-female connectors.

Optical ports:

• 1 optical output port, transmitting UL signals to TFLN master optical TRX

• 1 optical input port, receiving DL signals from TFLN master optical TRX

33MN024-010

Visual Alarms:

TFAM

Case A

Two control LEDs are provided on the TFAx front side (Fig. 3.2.2). The green LED indicates the power supply status, while the red LED indicates any major Remote Unit failures (please refer to Table 3.4).

Led colour Meaning

Low optical power at DL input

and/or RF ampliﬁ er failure

of Case-A remote unts

Figure 3.2.2 - LED alarms on the upper-front side of Case B Remote Units (including Power version)

Red

Green Power supply OK

Table 3.2.1 - Description of the LEDs

Dry Contact Alarms:

TFAx is provided with two dry contact inputs which can be connected (through .062” MOLEX plugs) to any external device. The alarm information regarding this external device is able to be signalled through the red LED of the TFAx LED panel and displayed on the Supervision System in this

Figure 3.2.3: Dry contacts for external alarms

way.

Power Supply

The Case A Remote Unit is provided with a TPSN external power supply (Fig. 3.2.4 a,b), available either for universal mains (90 to 264) or for negative supply. (-72 to -36 Vdc).

(b)

(c)

(a)

Figure 3.2.4 - The Case-A power supply inlet (a) can be connected either with the ION-B 220Vac power adapter (b) or with the -48 Vdc one ( c), depending on the chosen version.

ION-B User Manual

TPSN external power supplies provide the Case A Remote Unit with +5Vdc power, by means of a 3-pole connector.

Warnings (to be read before Remote Units are installed)

Dealing with optical output ports

The TFAx Remote Unit contains semiconductor lasers. Invisible laser beams may be emitted from the optical output ports. Do not look towards the optical ports while equipment is switched on. Choosing a proper installation site for the Remote Units

• TFAx Remote Units have to be installed as close as possible to the radiating antennas, in order to minimize coaxial cable length, thus reducing downlink power loss and uplink noise ﬁ gures.

• When positioning the TFAx Remote Unit, be sure to place related antennas in such a way as to minimize the Minimum Coupling Loss (MLC), in order to avoid blocking.

• The TFAx Remote Unit is intended to be ﬁ xed on walls, false ceilings or other ﬂ at vertical

TFAM

Case A

surfaces (TKA installation kits are available, they provide a protective cover for the TFAx Remote Unit, while making installation easier and faster).

Handling optical connections

• When inserting an optical connector, take care to handle it so that the optical ﬁ bre is not damaged. Optical ﬁ bres are to be in single-mode (SM) 9.5/125µm.

• Typically, ION-B equipment is provided with SC-APC optical connectors (other connectors are provided upon request). Inserting any other connectors will result in severe damage.

• Do not force or stretch the ﬁ bre pigtail with curvature radius of less than 5cm. See ﬁ gure on right for optimal ﬁ bre cabling.

• Remove the adapter caps only just before making connections. Do not leave any SC-

WRONG

Figure 3.2.5 - Handling optical connections with ION-B Remote Units.

CORRECT

35MN024-010

APC adapters open, as they attract dirt. Unused optical connectors must always be

TFAM

Case A

covered with their caps.

• Do not touch the connector tip. Clean it with suitable material before inserting each

connector into its sleeve. If connector tips require cleaning, use only pure ethyl alcohol.

TFAx Case A installation

The Case B Remote Unit is able to be ﬁ xed to walls, false ceilings or other ﬂ at vertical surfaces, either directly or through a TKA04 installation kit (optional).

Installing a Case A Remote Unit WITHOUT the TKA kit

The TFAx kit includes:

1. a Remote Unit TFAx

2. a TPSN external power supply adapter (86 to 264 Vac or -72 to -36 Vdc, according to the chosen model)

3. a VDE connector or a -48 Vdc plug (according to the chosen model)

The TKA04 kit includes:

A. four screw anchors (ﬁ xing the wall bearing to the wall) B. ﬁ ve screw anchors (ﬁ xing the TFAx Case A to the wall bearing) C. a wall mounting box (wall bearing + cover) D. a splice holder

Please consider these guidelines in order to choose the correct positioning of the Remote Unit and of its power supply:

• Under no circumstances should any piece of equipment be affected by the heat

(a)

Figure 3.2.6: Example of proper mounting conﬁ guration, which assures proper heat dissipation. Note that the

Remote Unit and its power supply adapter are mounted side-by-side, and the power supply adapter has the

socket downwards. The Figures refer to a 90/264 vac TFAx Case A (an) and to a -36/-72 Vdc TFAx Case A (b).

(b)

ION-B User Manual

created by any other piece. The Remote Unit and its external power supply should be mounted so as to avoid reciprocal heating. Side-by-side conﬁ guration is suggested (Fig.

3.2.6 a,b)

• Remote Units are provided with cooling ﬁ ns which allow the optimization of heat dissipation. In order for them to function properly, the mounting environment should allow for the necessary air changeover

• It is strongly recommended not to mount the external power supply on a horizontal surface because this position does not allow heat dissipation. External power supplies must be mounted on vertical surfaces.

• In order to assure proper heat dissipation, external power supplies must be mounted in a vertical position with the power socket downwards (see Fig. 3.2.7 a,b).

Once you have chosen a location for the Remote Unit, please follow these instructions:

1. In order to install the M4 screw anchors (not included) which hold up the TFAx Remote Unit, drill into the wall according to the proper layout shown in Fig. 3.2.9.

2. Fix the TFAx to the wall by ﬁ rmly tightening the screws into the anchors.

3. In order to install the M4 screw anchors (not included) which hold up the power supply

TFAM

Case A

SPLICE HOLDER

(a)

Fig. 3.2.7. (a) inside of the Splice Tray, with the Splice

Holder positioned properly; closed splice tray (b)

(b)

external adapter, drill into the wall according to the proper layout of your power supply, shown in ﬁ g.3.3.10b

4. Fix the external power supply adapter to the wall by ﬁ rmly tightening the screw into the anchors.

5. Fix the splice holder inside the splice tray (not included) See Fig. 3.2.7 a,b.

6. Splice the optical ﬁ bres and close the splice tray. While handling the ﬁ bers, be careful not to bend them.

7. Fix the splice tray beside the Remote Unit.

8. Connect the external adapter to the TFAx Remote Unit with the proper cable.

9. If the Remote Unit is -48 Vdc powered, use the -48 Vdc plug (included) in order to

37MN024-010

connect the external adapter to the -48 Vdc supply (Fig. 3.2.6 b). If the Remote Unit

TFAM

Case A

is 90/264 Vac-powered, ﬁ x the 90/264 Vac plug (included) onto a power cord (not included), and use this cable to connect the external adapter to the mains (Fig. 3.2.6 a).

10. Connect the antenna RF cables to the RF antenna ports. Connect the UL and DL optical connectors.

11. Once the installation is ﬁ nished, please follow the section “TFAx Case A Start-up” in order to carry out a proper system start up.

Installation of the Case A Remote Unit WITH the TKA04 installation kit

The TFAx Case A kit includes:

1. a Remote Unit TFAx

2. a 50 Ω load

3. a TPSN external power supply adapter (86 to 264 Vac or -72 to -36 Vdc, according to the chosen model)

4. a VDE connector or a -48 Vdc plug (according to the chosen model)

The TKA04 kit includes:

A. four screw anchors (ﬁ xing the wall bearing to the wall) B. ﬁ ve screw anchors (ﬁ xing the TFAx Case A to the wall bearing) C. a wall mounting box (wall bearing + cover) D. a splice holder

Please consider these guidelines carefully in order to decide the proper positioning of the

(a)

(b)

Figure 3.2.8: Example of proper mounting conﬁ guration, which assures proper heat dissipation. Note that the Remote Unit and its power supply adapter are mounted side-by-side, and the power supply adapter has the socket downwards. The Figures refer to a 90/264 vac TFAx Case A (a) and to a -36/-72 Vdc TFAx Case A (b), respectively.

ION-B User Manual

Remote Unit and its power supply:

• Under no circumstances should any piece of equipment be affected by the heat created by any other piece. The Remote Unit and its external power supply should be mounted so as to avoid reciprocal heating. Side-by-side conﬁ guration is suggested (Fig.

3.2.8 a,b)

• It is strongly recommended not to mount the external power supply on a horizontal surface because this position does not allow for heat dissipation. External power supplies must be mounted on vertical surfaces.

• In order to assure proper heat dissipation, the external power supplies must be mounted in a vertical position with the power socket downwards (see Fig. 3.2.8 a,b).

Once you have chosen the position of the Remote Unit mounting case, please follow these instructions:

1. Unscrew the 4 screws which lock the lower cover of the TKA04 wall bearing (see Fig.

3.2.12 a)

2. In order to install the M4 screw anchors (included) which hold up the TKA04 wall bearing, drill into the wall according to the TKA layout shown in Fig. 3.2.11.

3. Fix the TKA04 wall bearing by ﬁ rmly tightening the screws into the anchors.

TFAM

Case A

4. In order to install the M4 screw anchors (not included) which hold up the power supply external adapter, drill into the wall according to the power supply layout shown in Fig.3.3.10 b.

5. Fix the external power supply adapter to the wall by ﬁ rmly tightening the screws into the anchors (Fig. 3.2.13 b).

6. Carefully open the splice tray by using a screwdriver as in Fig. 3.2.12 c. Fix the splice holder inside the splice tray (Fig. 3.2.6 a). Splice the optical ﬁ bres and close the splice tray. While handling the ﬁ bers, take care not to bend them. Close the splice tray.

7. Fix the Remote Unit to the wall-bearing by using the included screws (Fig. 3.2.6 b).

8. If the Remote Unit is -48 Vdc powered, use the -48 Vdc plug (included) in order to connect the external adapter to the -48 Vdc mains (Fig. 3.2.8 b). If the Remote Unit is 90/264 Vac-powered, ﬁ x the 90/264 Vac plug (included) onto a power cord (not included), and use this cable in order to connect the external adapter to the mains (Fig.

3.2.8 a).

9. Connect the antenna RF cables to the RF antenna ports. Connect the UL and DL optical connectors (Fig. 3.2.12 e). If the power cable has properly been connected to the mains, both the green and the red LEDs should turn on. The green LED will remain lit to indicate that the unit is powered on, while the red LED will turn off as soon as the local unit is switched on (for further details about the start up of the system, please refer to the section “TFAx Case A Start-up”)

10. Fix the lower cover by fastening the 4 screws (Fig. 3.2.12 f)

39MN024-010

TFAM

Case A

Figure 3.2.9 : Case A layout with waal anchor quotes

ION-B User Manual



TFAM

Case A



X  

Figure 3.2.10: Layout of the 220Vac/+5Vdc power adapter, provided with Case A Remote Units.

41MN024-010

TFAM

Case A

Figure 3.2.11: Layout of the TKA installation kit for TFAx Remote Unit, Case A.

ION-B User Manual

(a) (b)

TFAM

Case A

(c)

(e)

Figure 3.2.12: Mounting the TFAx Case A Remote Unit with a TKA installation kit.

Please not that the Figures do not show the mounting of the external power supply.adapter.

(d)

(f)

43MN024-010

TFAx Case A Start-Up

Before the TFAx Remote Unit is switched on, make sure that:

• the modules hosted in the master unit have been connected to each other with RF jumpers, according to the system design

• every TFLN master optical TRX has been connected to its Remote Units

• each Remote Unit has been connected to its coverage antennas

For a correct system start-up, all the Remote Units have to be switched on prior to the master unit.

Once the TFAx has been switched on, its behaviour can be summarized as per the following indicators:

1. When the Remote Unit is turned on, both the LEDs upon the warm side turn on for a couple of seconds

2. After that, the unit’s green LED remains on (thus indicating proper power supply), while the red LED switches off as soon as the master unit is turned on (meaning that DL optical power is OK and no alarms are present).

3. Once the master unit has been switched on, the status of both LEDs should be those indicated in Table 3.2.1. In case the red LED remains on, please refer to the Troubleshooting section.

4. After being switched on, the Remote Unit should start up correctly and in order to be recognized by the supervision management system, the corresponding TFLN master optical TRX should carry out the discovery phase (please refer to the Supervision System Manual for more details). During this phase, which can last for up to a max. 4min, depending on the system complexity, the TFLN LED any cables or pieces of equipment during the discovery phase! This may result in the identiﬁ cation failure of the Remote Unit.

Note: in case discovery doesn’t start automatically, check through either the LMT or the remote supervision for whether it has been disabled (refer to LMT or remote Supervision System manuals for further information).

blinks. Do not connect/disconnect

TFAx Case A Troubleshooting

Please refer to the TFAx Case A and Case B troubleshooting for a full overview of the troubleshooting procedures for Case A Remote Units.

ION-B User Manual

3.4. Case B Remote Unit

Dimensions and Weight:

Dimensions: 38 x 240 x 240 mm (1.5 x 9.4 x 9.4 inches) Weight : please refer to the Remote Unit dedicated bulletin in order to discover any

updated data regarding the weight of the Case B Remote Unit

LED alerts

Green =power ON;

Red = major alarm

(a)

TFAM

Case B

Power supply

connector

LED alerts

Green =power ON;

Red = major alarm

Power supply

connector

RF auxiliary

DL channel

output

RF auxiliary

DL channel

input

antenna

port

antenna

port

optical

port

optical

port

optical

port

optical

port

antenna

port

antenna

port

RF auxiliary

UL channel

input

RF auxiliary

UL channel

input

External

alarm

connection

(b)

External

alarm

connection

Fig. 3.3.1: TFAx Case B Remote Unit (a) and TFAx Case B Remote Unit, Power version (b)

45MN024-010

RF ports:

• 2 RF antenna ports, transmitting/receiving signals to/from distributed antennas. RF antenna ports are duplexed N-female connectors. These RF ports can be connected

TFAM

Case B

to the antennas either directly (ie. through RF jumper cables) or through splitters, thus allowing more antennas to be fed. Unused RF ports have to be terminated with a 50 Ω load.

• 1 RF auxiliary input and 1 auxiliary output (designed to receive and transmit additional signals). Auxiliary input and output ports are SMA-female connectors.

Optical ports:

• 1 optical output port, transmitting UL signals to TFLN master optical TRX

• 1 optical input port, receiving DL signals from TFLN master optical TRX

Visual Alarms:

Two control LEDs are provided on the TFAx front side (Fig. 3.3.2). The green LED indicates the power supply status, while the red LED indicates any major Remote Unit failures (please refer to Table 3.4).

Led colour Meaning

Low optical power at DL input

and/or RF ampliﬁ er failure

of Case-B remote unts

Figure 3.3.2 - LED alarms on the upper-front side of Case B Remote Units (including Power version)

Red

Green Power supply OK

Table 3.3.1 - Description of the LEDs

Dry Contact Alarms:

Figure 3.3.3 - Dry contacts for external alarms on (a) Case B Remote Unit and (b) case-B Power Remote Unit

(a)

(b)

ION-B User Manual

Power Supply

The Case B and Case B, Power version Remote Units are provided with different types of TPSN external power supplies (Fig. 3.3.4 a,b), available either for universal mains (90 to 264) or for negative supply. (-72 to -36 Vdc). TPSN external power supplies for

Case-B Remote Units provide the with +5Vdc power, by

means of a 3-pole connector (Fig. 3.20 c). TPSN external power supplies for

Case-B, Power version Remote Units provide the with +28Vdc

power, by means of a shielded circular connector (Fig. 3.20 c). Before installing your Remote Unit, please check you have been provided with the proper external power supply. Should you have any doubt, please contact your Sales representative.

(b)

TFAM

Case B

(c)

(a)

Figure 3.3.4 - The Case-B power supply inlet (a) can be connected either with the ION-B 220Vac power adapter (b) or with the -48 Vdc one ( c), depending on the chosen version. Likewise, the Case-B Power version (d) can be connected either to the ION-B 220Vac power adapter or to the -48Vdc one (e).

(e)

(d)

47MN024-010

TFAM

Case B

Warnings (to be read before Remote Units are installed)

Dealing with optical output ports

• TFAx Remote Units have to be installed as close as possible to the radiating antennas, in order to minimize coaxial cable length, thus reducing downlink power loss and uplink noise ﬁ gures.

• When positioning the TFAx Remote Unit, be sure to place related antennas in such a way as to minimize the Minimum Coupling Loss (MLC), in order to avoid blocking.

• The TFAx Remote Unit is intended to be ﬁ xed on walls, false ceilings or other ﬂ at vertical surfaces (TKA installation kits are available, they provide a protective cover for the TFAx Remote Unit, while making installation easier and faster).

Handling optical connections

• When inserting an optical connector, take care to handle it so that the optical ﬁ bre is not damaged. Optical ﬁ bres are to be in single-mode (SM) 9.5/125µm.

• Typically, ION-B equipment is provided with SC-APC optical connectors (other connectors are provided upon request). Inserting any other connectors will result in severe damage.

• Do not force or stretch the ﬁ bre pigtail with curvature radius of less than 5cm. See ﬁ gure on right for optimal ﬁ bre cabling.

• Remove the adapter caps only just before making connections. Do not leave any SCAPC adapters open, as they attract dirt. Unused optical connectors must always be covered with their caps.

WRONG

Figure 3.3.5 - Handling optical connections with ION-B Remote Units.

CORRECT

ION-B User Manual

• Do not touch the connector tip. Clean it with suitable material before inserting each

connector into its sleeve. If connector tips require cleaning, use only pure ethyl alcohol.

TFAx Case B installation

The Case B Remote Unit is able to be ﬁ xed to walls, false ceilings or other ﬂ at vertical surfaces, either directly or through a TKA04 installation kit (optional).

Installing a Case B Remote Unit WITHOUT the TKA kit

The TFAx kit includes:

1. a Remote Unit TFAx

2. a TPSN external power supply adapter (86 to 264 Vac or -72 to -36 Vdc, according to the chosen model)

3. a VDE connector or a -48 Vdc plug (according to the chosen model)

The TKA04 kit includes:

A. four screw anchors (ﬁ xing the wall bearing to the wall) B. ﬁ ve screw anchors (ﬁ xing the TFAx Case B to the wall bearing) C. a wall mounting box (wall bearing + cover)

TFAM

Case B

D. a splice holder

Please consider these guidelines in order to choose the correct positioning of the Remote Unit and of its power supply:

3.3.6 a,b)

(a)

(b)

Figure 3.3.6: Example of proper mounting conﬁ guration, which assures proper heat dissipation. Note that the Remote Unit and its power supply adapter are mounted side-by-side, and the power supply adapter has the socket downwards. The Figures refer to a 90/264 vac TFAx Case B (an) and to a -36/-72 Vdc TFAx Case B (b).

49MN024-010

TFAM

Case B

• In order to assure proper heat dissipation, external power supplies must be mounted in a vertical position with the power socket downwards (see Fig. 3.3.6 a,b).

Once you have chosen a location for the Remote Unit, please follow these instructions:

1. In order to install the M4 screw anchors (not included) which hold up the TFAx Remote Unit, drill into the wall according to the proper layout shown in Fig. 3.3.9.

2. Fix the TFAx to the wall by ﬁ rmly tightening the screws into the anchors.

3. In order to install the M4 screw anchors (not included) which hold up the power supply external adapter, drill into the wall according to the proper layout of your power supply, shown in ﬁ g.3.4.10b

4. Fix the external power supply adapter to the wall by ﬁ rmly tightening the screw into the anchors.

5. Fix the splice holder inside the splice tray (not included) See Fig. 3.3.7 a,b.

6. Splice the optical ﬁ bres and close the splice tray. While handling the ﬁ bers, be careful not to bend them.

7. Fix the splice tray beside the Remote Unit.

8. Connect the external adapter to the TFAx Remote Unit with the proper cable.

9. If the Remote Unit is -48 Vdc powered, use the -48 Vdc plug (included) in order to connect the external adapter to the -48 Vdc supply (Fig. 3.3.6 b). If the Remote Unit is 90/264 Vac-powered, ﬁ x the 90/264 Vac plug (included) onto a power cord (not included), and use this cable to connect the external adapter to the mains (Fig. 3.3.6 a).

10. Connect the antenna RF cables to the RF antenna ports. Connect the UL and DL optical connectors.

11. Once the installation is ﬁ nished, please follow the section “TFAx Case B Start-up” in order to carry out a proper system start up.

SPLICE HOLDER

Fig. 3.3.7. (a) inside of the Splice Tray, with the Splice

Holder positioned properly; closed splice tray (b)

(a)

(b)

ION-B User Manual

Installation of the Case B Remote Unit WITH the TKA04 installation kit

The TFAx Case B kit includes:

1. a Remote Unit TFAx

2. a 50 Ω load

3. a TPSN external power supply adapter (86 to 264 Vac or -72 to -36 Vdc, according to the chosen model)

4. a VDE connector or a -48 Vdc plug (according to the chosen model)

(a)

(b)

TFAM

Case B

Figure 3.3.8: Example of proper mounting conﬁ guration, which assures proper heat dissipation. Note that the Remote Unit and its power supply adapter are mounted side-by-side, and the power supply adapter has the socket downwards. The Figures refer to a 90/264 vac TFAx Case B (a) and to a -36/-72 Vdc TFAx Case B (b), respectively.

The TKA04 kit includes:

A. four screw anchors (ﬁ xing the wall bearing to the wall) B. ﬁ ve screw anchors (ﬁ xing the TFAx Case B to the wall bearing) C. a wall mounting box (wall bearing + cover) D. a splice holder

Please consider these guidelines carefully in order to decide the proper positioning of the Remote Unit and its power supply:

3.3.8 a,b)

• In order to assure proper heat dissipation, the external power supplies must be mounted

51MN024-010

TFAM

Case B

in a vertical position with the power socket downwards (see Fig. 3.3.8 a,b).

Once you have chosen the position of the Remote Unit mounting case, please follow these instructions:

1. Unscrew the 4 screws which lock the lower cover of the TKA04 wall bearing (see Fig.

3.3.12 a)

2. In order to install the M4 screw anchors (included) which hold up the TKA04 wall bearing, drill into the wall according to the TKA layout shown in Fig. 3.3.11.

3. Fix the TKA04 wall bearing by ﬁ rmly tightening the screws into the anchors.

4. In order to install the M4 screw anchors (not included) which hold up the power supply external adapter, drill into the wall according to the power supply layout shown in Fig.3.4.10 b.

5. Fix the external power supply adapter to the wall by ﬁ rmly tightening the screws into the anchors (Fig. 3.2.13 b).

6. Carefully open the splice tray by using a screwdriver as in Fig. 3.3.12 c. Fix the splice holder inside the splice tray (Fig. 3.3.6 a). Splice the optical ﬁ bres and close the splice tray. While handling the ﬁ bers, take care not to bend them. Close the splice tray.

7. Fix the Remote Unit to the wall-bearing by using the included screws (Fig. 3.3.6 b).

8. If the Remote Unit is -48 Vdc powered, use the -48 Vdc plug (included) in order to connect the external adapter to the -48 Vdc mains (Fig. 3.3.8 b). If the Remote Unit is 90/264 Vac-powered, ﬁ x the 90/264 Vac plug (included) onto a power cord (not included), and use this cable in order to connect the external adapter to the mains (Fig.

3.3.8 a).

9. Connect the antenna RF cables to the RF antenna ports. Connect the UL and DL optical connectors (Fig. 3.3.12 e). If the power cable has properly been connected to the mains, both the green and the red LEDs should turn on. The green LED will remain lit to indicate that the unit is powered on, while the red LED will turn off as soon as the local unit is switched on (for further details about the start up of the system, please refer to the section “TFAx Case B Start-up”)

10. Fix the lower cover by fastening the 4 screws (Fig. 3.3.12 f)

TFAx Case B Start-Up

Before the TFAx Remote Unit is switched on, make sure that:

• the modules hosted in the master unit have been connected to each other with RF jumpers, according to the system design

• every TFLN master optical TRX has been connected to its Remote Units

• each Remote Unit has been connected to its coverage antennas

For a correct system start-up, all the Remote Units have to be switched on prior to the master unit.

ION-B User Manual

TFAM

Case B

Figure 3.3.9 : Case B layout with wall anchor quotes

53MN024-010

TFAM

Case B



Figure 3.3.10: (a) Layout of the 220Vac/+5Vdc power adapter, provided with Case B Remote Units. (b) Layout of the 220Vac/+5Vdc power adapter, provided with Case B Remote Units.

(a)



X 



(b)





 X

ION-B User Manual

TFAM

Case B

Figure 3.3.11: Layout of the TKA installation kit, provided with Case B Remote Units.

55MN024-010

TFAM

Case B

(a) (b)

(c)

(e)

Figure 3.3.12: Mounting the TFAx Remote Unit with a TKA installation kit.

Please not that the Figures do not show the mounting of the external power supply.adapter.

(d)

(f)

ION-B User Manual

Once the TFAx has been switched on, its behaviour can be summarized as per the following indicators:

1. When the Remote Unit is turned on, both the LEDs upon the warm side turn on for a couple of seconds

3. Once the master unit has been switched on, the status of both LEDs should be those indicated in Table 3.3.1. In case the red LED remains on, please refer to the Troubleshooting section.

blinks. Do not connect/disconnect

TFAM

Case B

TFAx Case B Troubleshooting

Faults can be revealed by LEDs on the TFAx front panel, as well as by LMT or the Supervision System (running on the remote supervision unit) Both the LMT and the Supervision System are able to provide complete information about the cause of the alarm. As a consequence, troubleshooting procedures can be immediate when failure detection is carried out directly through either the LMT or the Supervision System. ION-B modules are designed to exchange information, meaning that each Remote Unit can receive failure notiﬁ cations from its external equipment through dry-contact connections. Moreover, the TFAx constantly monitors the optical signal received from its TFLN unit to control optical losses.

Tables 3.3.2 shows a brief description of the alarms related to the Case B Remote Unit, with reference to the corresponding alerted LEDs and to the actions to be carried out in case of a fault.

As the Tables show, minor alarms (low priority alarms) are revealed only by either the LMTs or

57MN024-010

TFAM

Case B

ALARM CODE

(TSUN

description)

Antenna DC

loop alarm

DL optical

power fail

AGC out of

DL RF alarm

in Band 1

DL RF alarm

in Band 2

DL RF alarm

in Band 3

(if present)

External 1

External 2

Power supply

Internal BUS

range

alarm

ALARM

DESCRIPTION

The optical power

received on the

DL is too low and

can’t no more be

compensated

The optical power

received is under

the allowed

3dB optical loss

but it can be

compensated

HW failure on the

DL low band RF

section

HW failure on the

DL high band RF

section

HW failure on the DL UMTS band RF

section

Alarm on the

device connected

on dry-contact 1

Alarm on the

device connected

on dry-contact 2 UPS HW failure or

malfunction.

RF is turned OFF

A malfunctioning

on the digital

part involves a

fault in monitoring

functionalities

SUPERVISION

ACTIVE LED

PRIORITY

LEVEL

ALWAYS OK

RED MAJOR

NONE WARNING

RED CRITICAL Return the unit MAJOR

RED MAJOR

RED CRITICAL Return the unit MAJOR

ACTION

RECOMMENDED

Check the DL ﬁ bre

and the TFLN laser

status

Clean optical

connectors

Check the external device or alarm connection

Check the

external PSU.

If it works properly,

return the unit

RELÉ PRIORITY

LEVEL

(subrack)

MAJOR

MINOR

MAJOR

Temperature

alarm

Over-temperature

alarm

NONE MINOR

Check ventilation

and environment

Table 3.3.2: Description of the alarms of the Case-B Remote Unit, as they

are presented by the LMT application or by the Supervision interface

the Supervision Systems, and not through LEDs. Minor alarms detect critical situations which should be checked and tested in order to avoid future possible system faults.

Each Remote Unit is provided with an AGC system which comes in after the optical-to-RF conversion. This AGC is able to correctly compensate optical losses when these are estimated to be <3.5 dB. In case optical losses are > 3.5dB, the LMT application and the ION-B supervision unit will display a “Warning” alarm: the whole system still work, but AGC is near to its borderline levels. The red LED switches on when the estimated optical losses are >4.5 dB, the AGC not being able to compensate these losses any more.

MINOR

0dBm

Normal

-3.5dBm

Warning

-4.5dBm

Alarm

Fig. 3.3.13:

AGC thresholds

vs LED alerts

ION-B User Manual

As shown in the previous table, the same red LED switches on to reveal any major failures. By following the next troubleshooting procedure, it will be possible to better understand what problem has occurred.

Note: Each Remote Unit is provided with an AGC system which kicks in after the optical-to-RF conversion. This AGC can correctly compensate for optical losses when they are estimated to be <3.5 dB. In case optical losses are > 3.5dB, the LMT application and the ION-B supervision unit will display a “Warning” alarm: the whole system still work, but AGC is near to its borderline levels. The red LED switches on when the estimated optical losses are >4.5, because the AGC is not able to compensate for these losses anymore.

TFAM

Case B

start

Verify if any external equip-

ment or any dry contact port

have some problems.

Refer to dry-contact trouble-

shooting (fig.3.16b)

Clean the SC - APC

optical adapters

and connectors

troubleshooting

Is the red LED

ON upon the TFAx?

Yes

Is the red LED

ON upon the TFAx?

Yes

Is the red LED

ON upon the TFAx?

Yes

Optical cable or optical

connections are supposed

to have problems on DL

path. Refer to fibre optic DL

troubleshooting (fig.3.16c)

end

Figure 3.3.14 (a): Flow-chart describing the quick troubleshooting procedure of a TFAx Case B

59MN024-010

start

Is any dry contact

connected to some

external equipment?

Rearrange the optical

path to avoid sharp bends. If necessary,

replace the optical cable

with a longer one

TFAM

Case B

Are SC-APC

connectors properly

installed at both fiber

ends?

Yes

Disconnect the

optical fiber and

clean it at both ends.

Disconnect the optical

SC-APC connector from

the remote unit DL port.

Yes

Fix better the

SC-APC

connectors.

Yes

Clean the optical SC-APC

Is the red LED

upon the TFAx

still ON??

ports on both the TFLN

and the remote unit.

Yes

External equipment

connected to this dry

contact port should

be faulty. Test it.

Yes

Is the red LED

upon the TFAx

still ON??

Is this dry-contact

electrically closed?

Measure the output

power at the corre-

sponding fiber ends.

Calculate the fiber DL attenuation:

DL[dB]=input power - output power

Is ADL >4dB?

Figure 3.3.14 (b): Flow-chart describing the quick troubleshooting procedure of a TFAx Case B

Yes

Go to the

TFLN side

Fiber optic cable has

some problems.

Please replace it

The troubleshooting procedure has not identi-

fied the problem. Use the supervision system or

contact assistance

Disconnect the optical

SC-APC connectors from

the TFLN DL ports

Measure the input power coming out of the TFLN DL port

end

ION-B User Manual

start

Is any dry contact

connected to some

external equipment?

Rearrange the optical

path to avoid sharp bends. If necessary,

replace the optical cable

with a longer one

Are SC-APC

connectors properly

installed at both fiber

ends?

Yes

Disconnect the

optical fiber and

clean it at both ends.

Disconnect the optical

SC-APC connector from

the remote unit DL port.

Yes

Fix better the

SC-APC

connectors.

Yes

Clean the optical SC-APC

Is the red LED

upon the TFAx

still ON??

ports on both the TFLN

and the remote unit.

Yes

External equipment

connected to this dry

contact port should

be faulty. Test it.

Yes

Is the red LED

upon the TFAx

still ON??

Is this dry-contact

electrically closed?

TFAM

Case B

Measure the output

power at the corre-

sponding fiber ends.

Calculate the fiber DL attenuation:

DL[dB]=input power - output power

Is ADL >4dB?

Figure 3.3.14 (c): Flow-chart describing the quick troubleshooting procedure of a TFAx Case B

Yes

Go to the

TFLN side

Fiber optic cable has

some problems.

Please replace it

The troubleshooting procedure has not identi-

fied the problem. Use the supervision system or

contact assistance

Disconnect the optical

SC-APC connectors from

the TFLN DL ports

Measure the input power coming out of the TFLN DL port

end

61MN024-010

TFAM

Case B

Quick troubleshooting procedure

(The following procedure is summarized by the ﬂ ow-chart in Fig. 3.3.14a)

If the red LED is LIT, please follow these steps:

1. Refer to dry-contact troubleshooting in order to discover whether or not the alarm is a result of external equipment failure.

2. If dry-contact troubleshooting has not revealed any failures, clean the optical adapters.

3. If the problem still persists, refer to the ﬁ bre optic DL troubleshooting procedures to see if the optical cables or connections have any problems along the DL path.

4. If none of the previous actions served to switch off the LED, replace the unit with a new one or contact for assistance.

Dry-contact troubleshooting

(The following procedure is summarized by the ﬂ ow-chart in Fig. 3.3.14b)

This procedure should be considered if at least one TFAx dry-contact is connected to any external equipment. If not, return to main troubleshooting procedure. These steps aim to detect any failure inside external equipment or dry-contact ports. If the drycontacts aren’t able to reveal any equipment malfunctions or port failures, then return to the main troubleshooting procedure. For any dry-contact that is connected to external equipment, follow these steps:

1. Disconnect it, and check the TFAx LED status after the disconnection.

2. If the red LED has switched off, any external equipment that is connected to the dry contact port is probably faulty. Please test it.

3. If the TFAx red LED still remains on after the disconnection, measure the voltage between the terminals of the dry contact port.

a. If the terminals are electrically closed, the dry-contact port is faulty. Contact the

manufacturer for assistance.

b. If the terminals are open, this means neither the analysis of the present dry

contact nor the one of its external equipment has revealed failures. Re-connect

the present dry contact port to its external equipment. If the TFAx has any other unchecked dry-contacts connected to external equipment, apply the whole procedure (i.e. steps 1-3) to this new port

ION-B User Manual

Fibre optic DL troubleshooting

(The following procedure is summarized by the ﬂ ow-chart in Fig. 3.3.14c)

1. Check to see if there are any points in which ﬁ bres are experiencing a short radius of curvature. In these cases, rearrange the optical path in order to avoid sharp bends (if necessary, replace the optical cable with a longer one). If the TFLN red LED switches off, troubleshooting has been successfully carried out. Otherwise, follow the next steps.

2. Check to see if SC-APC connectors are properly installed at both ﬁ bre ends. In case they are not, replug troubleshooting has been successful. Otherwise, follow the next steps.

3. Disconnect the optical ﬁ bre and clean it at both ends, then clean the SC-APC ports on both the TFLN and the Remote Unit. Re-connect the ﬁ bre to relevant ports after cleaning. If it hasn’t made the TFLN red LED switch off, follow the next steps.

4. Disconnect the optical SC-APC connector from the Remote Unit’s DL port, and measure the output power POUT(DL) at the corresponding ﬁ bre end. Then, go to the TFLN side, disconnect the optical SC-APC connector from the TFLN DL port and measure the input power PIN(DL) coming out of the TFLN DL port. Calculate the DL ﬁ bre attenuation ADL as ADL [dB] = PIN(DL) – POUT(DL)

a. If ADL > 4dB, then there are problems with the ﬁ bre optic cable. Replace it with a

new one.

b. If ADL < 4dB, the troubleshooting procedure has not identiﬁ ed the problem. Refer

to the Supervision System or contact assistance.

the SC-SPC connectors to adapters. If the TFLN red LED switches off,

TFAM

Case B

63MN024-010

TFAM

Case R

ION-B User Manual

3.5. Case R Remote Unit

Dimensions and Weight

Dimensions: mm. 564 x 255 x 167 (inches 21.5 x 10 x 8.1) Weight: please refer to the Remote Unit dedicated bulletin in order to know the

updated data about the weight of your case-R Remote Unit.

Figure 3.4.1: ION-B, Case-R

Remote Unit: (a) Remote Unit

view; (b) front view

TFAM

Case R

(b)

RS-232

port

RF auxiliary

UL channel

input

UL optical

port

RF antenna

port

(a)

DL optical

port

connector

Power

supply

RF auxiliary

DL channel

output

External

connection

LED alerts

Green =power ON; Red = major alarm

alarm

65MN024-010

TFAM

Case R

RF ports:

• 1 RF antenna port, transmitting/receiving signals to/from distributed antennas. This RF antenna port is a duplexed N-female connectors. The port can be connected to the antenna either directly (ie. through RF jumper cables) or through splitters, thus allowing more antennas to be fed.

• 1 RF auxiliary input and 1 RF auxiliary output (designed to receive and transmit additional signals). Auxiliary input and output ports are SMA-female connectors.

Optical ports:

• 1 optical output port, transmitting UL signals to TFLN master optical TRX;

• 1 optical input port, receiving DL signals from TFLN master optical TRX.

Visual alarms:

Two control LEDs are provided on the Case-R upper side (ﬁ g. 3.4.2). The green LED describes the power supply status, while the red LED describes the major Remote Unit failures.

Led colour Meaning

Figure 3.4.2: LED alarms on the upper-front side of Case B Remote Units (including Power version)

Red

Green Power supply OK

Table 3.4.1 - Description of the LEDs

Low optical power at DL input

and/or RF ampliﬁ er failure

of Case-R remote unts

External alarms

Case-R TFAx is provided with two dry contact inputs which can be connected (through .062” MOLEX plugs) to any external device. The alarm information regarding this external device is able to be signalled through the red LED of the TFAx LED panel and displayed on the Supervision System in this way.

Figure 3.4.3: LED alarms on the upper-front side of Case B Remote Units (including Power version)

ION-B User Manual

Power supply:

Case-R Remote Unit is provided with a TPSN external power supply (Fig. 3.4.4 a,b), available either for universal mains (90 to 264) or for negative supply. (-72 to -36 Vdc). Before installing your Remote Unit, please check you have been provided with the proper external power supply. Should you have any doubt, please contact your Sales representative. The nominal Voltage provided by the TPSN external power supply is +28Vdc.

Figure 3.4.4. TPSN External Power Supply

for TFAx Case-R Remote Unit

Warnings (to be read before Remote Units are installed)

Dealing with optical output ports

TFAM

Case R

The Case-R Remote Unit contains semiconductor lasers. Invisible laser beams may be emitted from the optical output ports. Do not look towards the optical ports while equipment is switched on.

Choosing a proper installation site for the Remote Units

• Case-R Remote Units have to be installed as close as possible to the radiating antennas, in order to minimize coaxial cable length, thus reducing downlink power loss and uplink noise ﬁ gure.

• When positioning the Case-R Remote Unit, pay attention that the placing of related antennas should be decided in order to minimize the Minimum Coupling Loss (MLC), so as to avoid blocking.

• The Case-R Remote Unit is intended to be ﬁ xed on walls or other ﬂ at vertical surfaces.

Handling optical connections

• When inserting an optical connector, take care to handle it so smoothly that the optical ﬁ bre is not damaged. Optical ﬁ bres are to be single-mode (SM) 9.5/125µm.

• Typically, ION-B equipment is provided with SC-APC optical connectors (other connectors may be provided on request). Inserting any other connectors will result in severe damages.

• Do not force or stretch the ﬁ bre pigtail with radius of curvature less than 5cm. See rightward ﬁ gure for optimal ﬁ bre cabling.

• Remove the adapter caps only just before making connections. Do not leave any SC-

67MN024-010

APC adapter open, as they attract dirt. Unused optical connectors must always be covered with their caps.

• Do not touch the connector tip. Clean it with a proper tissue before inserting each connector into the sleeve. In case connector tips need to be cleaned, use pure ethyl alcohol.

TFAM

Case R

TFAx Case-R installation

Each Cabinet-R Remote Unit kit includes:

• 1 Cabinet-R Remote Unit;

• 1 power supply cable (85 to 264 Vac or -48Vdc, depending on the power supply which has been chosen);

• 1 pair of mounting plates;

• 1 screw kit, including four hexagonal-head screws and a torque key.

The operations which need to be carried out in order to perform a proper installation of the Cabinet-R Remote Unit are hereby described. The Cabinet-R Remote Unit has to be mounted with heat-dissipation ﬁ ns in vertical position. The suggested installation layout is shown in Figure 3.4.5a, with the external power supply mounted side by side to the Remote Unit, using a common screw anchor to support both the Remote Unit’s right side and the power supply’s left wing.

An external splice box (not included) may be mounted side by side to the power supply or to the Remote Unit, sharing an anchor with one of them (see pict 3.4.5g).

1 –Drill the wall to install the four M6 screw anchors (not included) according to the layout

shown in Fig. 3.4.5b. As an alternative, you can choose to install your power supply conveniently close to the Remote Unit.

2 –Insert the four M6 screw anchors in the holes, and ﬁ x the power supply to the wall (see ﬁ g.

3.4.5c). If you planned to use a common screw anchor to support both the Remote Unit and the external power supply, take care not to screw this anchors until you ﬁ xed the Remote Unit.

3 – Fix the Remote Unit to the wall and tighten the 4 screw anchors (Fig. 3.4.5d)

4 - Fix the splice holder (not included) inside a splice tray, like the one shown in Fig. 3.4.5e

(not included). Make the optical splices and close the splice tray (3.5.5f). Place the splice tray inside a splice box (not included), and mount the splice box beside

ION-B User Manual

(a)

Figure 3.4.5: Mounting the Case-R Remote Unit, Steps (a) - (c).

TFAM

Case R

(b)

(c)

69MN024-010

TFAM

Case R

Figure 3.4.5: Mounting the Case-R Remote Unit, Steps (d) - (h).

(d)

(e)

(g)

(f)

(h)

ION-B User Manual

Figure 3.4.5: Mounting the Case-R Remote Unit, Steps (i) - (l).

TFAM

Case R

(i)

(l)

71MN024-010

the Remote Unit. The suggested installation position is side by side to the power supply or to the Remote Unit, using one of their M6 anchors already installed to support the splice box as well (please see Fig. 3.4.5g, 3.4.5h). NOTE: Take care not to bend the ﬁ bers too much.

5 - Now connect the RF cables, the optical connectors, and the power supply connector to

TFAM

Case R

the Remote Unit (Fig. 3.4.5i ). Take care to connect UL and DL ﬁ bers properly. After the Remote Unit has been properly cabled, insert the power plug in the external power supply adapter, so as to connect it to the mains.

6 - A ﬁ ber protection can be placed around DL optical ﬁ bers (Fig. 3.4.5l ).

TFAx Case R Troubleshooting

Please refer to the TFAx Case R and Case R2 troubleshooting for a full overview of the troubleshooting procedures for Case R Remote Units.

ION-B User Manual

3.6. Case-R2 Remote Unit

Dimensions and Weight

Dimensions: mm. 564 x 255 x 167 (inches 21.5 x 10 x 8.1) Weight: please refer to the Remote Unit dedicated bulletin in order to know the

updated data about the weight of your case-F Remote Unit.

TFAM

Case R2

(a)

RF auxiliary

UL channel

input

UL optical

RS-232

port

DL optical

port

RF auxiliary

DL channel

output

RF antenna

port

connector

Figure 3.5.1: ION-B, Case-R2

Remote Unit: (a) fulll view; (b)

front view

External

alarm

connection

Power

supply

LED alerts

Green =power ON; Red = major alarm

(b)

73MN024-010

TFAM

Case R2

RF ports:

• 1 RF auxiliary input and 1 RF auxiliary output (designed to receive and transmit additional signals). Auxiliary input and output ports are SMA-female connectors.

Optical ports:

• 1 optical output port, transmitting UL signals to TFLN master optical TRX;

• 1 optical input port, receiving DL signals from TFLN master optical TRX.

Visual alarms:

Two control LEDs are provided on the Case-R2 upper side (ﬁ g. 3.5.2). The green LED describes the power supply status, while the red LED describes the major Remote Unit failures (ﬁ g. 3.9).

Led colour Meaning

Figure 3.5.2: LED alarms on the upper-front side of Case B Remote Units (including Power version)

Red

Green Power supply OK

Table 3.5.1 - Description of the LEDs

Low optical power at DL input

and/or RF ampliﬁ er failure

of Case-R2 remote unts

External alarms

Case-R2 TFAx is provided with two dry contact inputs which can be connected (through .062” MOLEX plugs) to any external device. The alarm information regarding this external device is able to be signalled through the red LED of the TFAx LED panel and displayed on the Supervision System in this way.

Figure 3.5.3: LED alarms on the upper-front side of Case R2 Remote Units (including Power version)

ION-B User Manual

Power supply:

Each case-R2 Remote Unit must be ordered with a proper TPSN external power supply (Fig. 3.5.4), available either for universal mains (90 to 264) or for negative supply. (-72 to -36 Vdc). Before installing your Remote Unit, please check you have been provided with the proper external power supply. Should you have any doubt, please contact your Sales representative. The nominal Voltage provided by the TPSN external power supply is +28Vdc.

Figure 3.5.4. TPSN External Power Supply

for TFAx Case-R2 Remote Unit

Warnings (to be read before Remote Units are installed)

Dealing with optical output ports

The Cabinet-R2 Remote Unit contains semiconductor lasers. Invisible laser beams may be emitted from the optical output ports. Do not look towards the optical ports while equipment is switched on.

Choosing a proper installation site for the Remote Units

• Cabinet R2 Remote Units have to be installed as close as possible to the radiating

TFAM

Case R2

antennas, in order to minimize coaxial cable length, thus reducing downlink power loss and uplink noise ﬁ gure.

• When positioning the Cabinet-R2 Remote Unit, pay attention that the placing of related antennas should be decided in order to minimize the Minimum Coupling Loss (MLC), so as to avoid blocking.

• The Cabinet-R2 Remote Unit is intended to be ﬁ xed on walls or other ﬂ at vertical surfaces.

Handling optical connections

• When inserting an optical connector, take care to handle it so smoothly that the optical ﬁ bre is not damaged. Optical ﬁ bres are to be single-mode (SM) 9.5/125µm.

• Typically, ION-B equipment is provided with SC-APC optical connectors (other connectors may be provided on request). Inserting any other connectors will result in severe damages.

• Do not force or stretch the ﬁ bre pigtail with radius of curvature less than 5cm. See rightward ﬁ gure for optimal ﬁ bre cabling.

• Remove the adapter caps only just before making connections. Do not leave any SC-

75MN024-010

TFAM

Case R2

APC adapter open, as they attract dirt. Unused optical connectors must always be covered with their caps.

• Do not touch the connector tip. Clean it with a proper tissue before inserting each connector into the sleeve. In case connector tips need to be cleaned, use pure ethyl alcohol.

TFAx Case-R2 installation

Each Case-R2 Remote Unit kit includes:

• 1 Case-R2 Remote Unit;

• 1 power supply cable (85 to 264 Vac or -48Vdc, depending on the power supply which has been chosen);

• 1 pair of mounting plates;

• 1 screw kit, including four hexagonal-head screws and a torque key.

The operations which need to be carried out in order to perform a proper installation of the Case-R2 Remote Unit are hereby described: The Cabinet-R2 Remote Unit has to be mounted with heat-dissipation ﬁ ns in vertical position. The suggested installation layout is shown in Figure 3.5.5a, with the external power supply mounted side by side to the Remote Unit, using a common screw anchor to support both the Remote Unit’s right side and the power supply’s left wing. An external splice box (not included) may be mounted side by side to the power supply or to the Remote Unit, sharing an anchor with one of them (see pict 3.5.5g).

1 – Drill the wall to install the four M6 screw anchors (not included) according to the layout

shown in Fig. 3.5.5b. As an alternative, you can choose to install your power supply conveniently close to the Remote Unit.

2 – Insert the four M6 screw anchors in the holes, and ﬁ x the power supply to the wall.

If you planned to use a common screw anchor to support both the Remote Unit and the external power supply, take care not to screws this anchors till you ﬁ xed the Remote Unit (Fig. 3.5.5c).

3 – Fix the Remote Unit to the wall and tighten the 4 screw anchors (Fig. 3.5.5d)

4 - Fix the splice holder (not included) inside a splice tray like the one shown in Fig. 3.5.5e (not

included). Make the optical splices and close the splice tray (Fig. 3.5.5f). Place the splice tray inside a splice box (not included), and mount the splice box beside the Remote Unit. The suggested installation position is side by side to the power supply or

ION-B User Manual

(a)

Figure 3.5.5: Mounting the Case-R2 Remote Unit, Steps (a) - (c).

TFAM

Case R2

(b)

(c)

77MN024-010

TFAM

Case R2

Figure 3.5.5: Mounting the Case-R2 Remote Unit, Steps (d) - (h).

(d)

(e)

(g)

(f)

(h)

ION-B User Manual

Figure 3.5.5: Mounting the Case-R2 Remote Unit, Steps (i) - (l).

TFAM

Case R2

(i)

(l)

79MN024-010

TFAM

Case R2

to the Remote Unit, using one of their M6 anchors already installed to support the splice box as well (please see Fig. 3.5.5g). NOTE: Take care not to bend the ﬁ bers too much.

5 - Now connect the RF cables, the optical connectors, and the power supply connector to

the Remote Unit (Fig. 3.5.5h). Take care to connect UL and DL ﬁ bers properly (Fig. 3.5.5i ). After the Remote Unit has been properly cabled, insert the power plug in the external power supply adapter, so as to connect it to the mains.

6 - A ﬁ ber protection can be placed around DL optical ﬁ bers (Fig. 3.5.5l ).

TFAx Case R2 start-up

Before the Case-R2 Remote Unit is switched on, make sure that:

• the modules hosted in the master unit have been connected each other with RF

jumpers, according to the system design

• every TFLN master optical Trx has been connected to its Remote Units

• each Remote Unit has been connected to its coverage antennas

For a correct system start-up, all the Remote Units have to be switched on before the master unit.

Once the Cabinet-R2 Remote Unit has been switched on, its behaviour could be checked by unscrewing the four hexagonal screws (see ﬁ g on the sides of the case-F), removing the cover, and looking at the control LEDs. When the system starts-up, their status can be summarised as per the following steps.

1. When the Remote Unit is turned on, both the LEDs turn on for a couple of seconds.

2. After that, the unit green LED remains on (thus indicating proper power supply), while the red LED switches off as soon as the TFLN master unit is turned on (meaning that DL optical power is OK and no alarms are present).

3. Once the TFLN master unit has been switched on, the status of both LEDs have to be the one reported in table 3.5.1. If the red LED remains on, please refer to the troubleshooting section.

4. Once it has been switched on, the Remote Unit starts working correctly. Anyway, in

order to be recognized by the supervision management system, it is necessary for the corresponding TFLN master optical TRX to carry out the discovery phase (please refer to Supervision System Manual for more details). During this phase, (whose duration depends on the system complexity, and which can last at max. 4min) the TFLN LED blinks. Do not connect/disconnect any cable or any piece of equipment during the discovery phase! This may result in no identiﬁ cation of the Remote Unit.

ION-B User Manual

Note: if then discovery doesn’t start automatically, check through the LMT or the remote supervision whether it has been disabled (refer to LMT or remote Supervision System manuals for further information).

ALARM CODE

(TSUN

description)

Antenna DC

loop alarm

DL optical

power fail

AGC out of

range

DL RF alarm

in Band 1

DL RF alarm

in Band 2

DL RF alarm

in Band 3

(if present)

External 1

External 2

Power supply

Internal BUS

alarm

ALARM

DESCRIPTION

The optical power

received on the

DL is too low and

can’t no more be

compensated

The optical power

received is under

the allowed

3dB optical loss

but it can be

compensated

HW failure on the

DL low band RF

section

HW failure on the

DL high band RF

section

HW failure on the DL UMTS band RF

section

Alarm on the

device connected

on dry-contact 1

Alarm on the

device connected

on dry-contact 2

UPS HW failure or

malfunction.

RF is turned OFF

A malfunctioning

on the digital

part involves a

fault in monitoring

functionalities

SUPERVISION

ACTIVE LED

PRIORITY

LEVEL

ALWAYS OK

RED MAJOR

NONE WARNING

RED CRITICAL Return the unit MAJOR

RED MAJOR

RED CRITICAL Return the unit MAJOR

ACTION

RECOMMENDED

Check the DL ﬁ bre

and the TFLN laser

status

Clean optical

connectors

Check the external device or alarm connection

Check the

external PSU.

If it works properly,

return the unit

RELÉ PRIORITY

LEVEL

(subrack)

MAJOR

MINOR

MAJOR

TFAM

Case R2

Temperature

alarm

Over-temperature

alarm

NONE MINOR

Check ventilation and environment

MINOR

Table 3.5.2: Description of the alarms of the Case-R and Case R2 Remote Unit,

as they are presented by the LMT application or by the Supervision interface

TFAx Case-R or Case-R2 troubleshooting

Faults can be revealed by LEDs on the Remote Unit (RU) front panel as well as by LMT or Supervision System (running on the remote supervision unit)

Both LMT and Supervision System provide full information about the device causing the alarm. As a consequence, troubleshooting procedure can be very immediate when the failure

81MN024-010

detection is directly carried out through LMT or Supervision System. ION-B modules are designed in order to exchange information each other: each RU constantly monitors the optical signal received from its TFLN unit, so as to control optical losses. Table 3.5.2 shows a brief description of the alarms related to a Cabinet R2 Remote Unit, with a reference to the corresponding alerted LEDs and to the actions to be carried out in the case of a fault.

As the table shows, not all the alarms are revealed by the LEDs placed on the Remote Unit control panel: in fact, LEDs reveal only major alarms (i.e., the high priority ones), whereas the

TFAM

Case R2

minor alarms (i.e., the low priority ones) are revealed only by the LMT software or through the TSUN Supervision System. The minor alarms usually detect critical situations which should be checked so as to avoid future possible system faults.

Note:

Each Remote Unit is provided with an AGC system which comes

Normal

0dBm

in after the optical-to-RF conversion. This AGC can correctly compensate optical losses when these are estimated to be <3.5 dB. In case optical losses are > 3.5dB, the LMT application and the ION-B supervision unit will display a “Warning” alarm: the whole system still work, but AGC is near to its borderline levels.

Warning

Alarm

-3.5 dBm

-4.5dBm

The red LED switches on when the estimated optical losses are >4.5dB, the AGC not being able to compensate these losses any more.

start

Is the red LED

ON upon the TFAH?

Yes

AGC thresholds vs LED alerts

Fig. 3.5.6:

Clean the SC - APC

optical adapters

and connectors

troubleshooting

connections are supposed

path. Refer to fibre optic DL

troubleshooting (fig.3.16c)

Figure 3.5.7 (a): Flow-chart describing the quick troubleshooting procedure of a TFAx Case R

Is the red LED

ON upon the TFAH?

Yes

Optical cable or optical

to have problems on DL

end

ION-B User Manual

start

Is any dry contact

connected to some

external equipment?

Yes

Rearrange the optical

path to avoid sharp bends. If necessary,

replace the optical cable

with a longer one

Are SC-APC

connectors properly

installed at both fiber

ends?

Yes

Disconnect the

optical fiber and

clean it at both ends.

Disconnect the optical

SC-APC connector from

the remote unit DL port.

Fix better the

SC-APC

connectors.

Yes

Clean the optical SC-APC

Is the red LED

upon the TFAx

still ON??

ports on both the TFLN

and the remote unit.

Yes

External equipment

connected to this dry

contact port should

be faulty. Test it.

Yes

Is the red LED

upon the TFAx

still ON??

Is this dry-contact

electrically closed?

TFAM

Case R2

Measure the output

power at the corre-

sponding fiber ends.

Calculate the fiber DL attenuation:

DL[dB]=input power - output power

Is ADL >4dB?

Figure 3.5.7 (b): Flow-chart describing the external alarm troubleshooting on TFAx Case R2

Yes

Go to the

TFLN side

Fiber optic cable has

some problems.

Please replace it

The troubleshooting procedure has not identi-

fied the problem. Use the supervision system or

contact assistance

Disconnect the optical

SC-APC connectors from

the TFLN DL ports

Measure the input power coming out of the TFLN DL port

end

83MN024-010

start

Is any dry contact

connected to some

external equipment?

Yes

Rearrange the optical

path to avoid sharp bends. If necessary,

replace the optical cable

with a longer one

TFAM

Case R2

Are SC-APC

connectors properly

installed at both fiber

ends?

Yes

Disconnect the

optical fiber and

clean it at both ends.

Disconnect the optical

SC-APC connector from

the remote unit DL port.

Fix better the

SC-APC

connectors.

Yes

Clean the optical SC-APC

Is the red LED

upon the TFAx

still ON??

ports on both the TFLN

and the remote unit.

Yes

External equipment

connected to this dry

contact port should

be faulty. Test it.

Yes

Is the red LED

upon the TFAx

still ON??

Is this dry-contact

electrically closed?

Measure the output power at the corre-

sponding fiber ends.

Calculate the fiber DL attenuation:

DL[dB]=input power - output power

Is ADL >4dB?

Yes

Figure 3.5.7 (c): Flow-chart describing the ﬁ beroptiic troubleshooting

Go to the

TFLN side

Fiber optic cable has

some problems.

Please replace it

The troubleshooting procedure has not identi-

fied the problem. Use the supervision system or

contact assistance

Disconnect the optical

SC-APC connectors from

the TFLN DL ports

Measure the input power coming out of the TFLN DL port

end

ION-B User Manual

As shown in the previous table, the same red LED switches on to reveal any major failure. Following the troubleshooting procedure reported hereinafter it is possible to better understand what problem occurred.

Quick troubleshooting procedure

(The following procedure is summarized by the ﬂ ow-chart in ﬁ g. 3.5.7a)

In case the red LED is ON, please follow these steps:

1. First of all, clean the optical adapters

2. If the problem still persists, refer to the ﬁ bre optic DL troubleshooting to check if optical cables or optical connections have any problem on DL path.

3. If previous actions didn’t make the LED switch off replace the unit with a new one or contact for assistance.

Dry-contact troubleshooting

(The following procedure is summarized by the ﬂ ow-chart in Fig. 3.5.7b)

1. Disconnect it, and check the TFAx LED status after the disconnection.

2. If the red LED has switched off, any external equipment that is connected to the dry contact port is probably faulty. Please test it.

3. If the TFAx red LED still remains on after the disconnection, measure the voltage between

TFAM

Case R2

the terminals of the dry contact port.

a. If the terminals are electrically closed, the dry-contact port is faulty. Contact the

manufacturer for assistance.

b. If the terminals are open, this means neither the analysis of the present dry

contact nor the one of its external equipment has revealed failures. Re-connect the present dry contact port to its external equipment. If the TFAx has any other unchecked dry-contacts connected to external equipment, apply the whole procedure (i.e. steps 1-3) to this new port

Fibre optic DL troubleshooting

(The following procedure is summarized by the ﬂ ow-chart in ﬁ g. 3.5.7c)

1. Check if there is any point where ﬁ bre experiences a short radius of curvature. In this

85MN024-010

TFAM

Case R2

case, rearrange the optical path in order to avoid sharp bends (if necessary, replace the optical cable with a longer one). If TFLN red LED switches off, troubleshooting has been successfully carried out. Otherwise, follow next steps.

2. Check if SC-APC connectors are properly installed at both ﬁ bre ends. In case they are not, ﬁ x better SC-SPC connectors to adapters. If TFLN red LED switches off, troubleshooting has been successful. Otherwise, follow next steps.

3. Disconnect the optical ﬁ bre and clean it better at both ends then clean the SC-APC ports on both the TFLN and the Remote Unit. Re-connect the ﬁ bre to relevant ports after cleaning. If it doesn’t made TFLN red LED switch off, follow next steps.

4. Disconnect the optical SC-APC connector from Remote Unit DL port, and measure the output power P

(DL) at the corresponding ﬁ bre end. Then, go to the TFLN side,

OUT

disconnect the optical SC-APC connector from TFLN DL port and measure the input power P A

[dB] = PIN(DL) – P

(DL) coming out of the TFLN DL port. Calculate the DL ﬁ bre attenuation ADL as

(DL)

OUT

a. If A

> 4dB, then the ﬁ bre optic cable has some problems. Replace it with a new

one.

b. If A

< 4dB troubleshooting procedure has not identiﬁ ed the problem. Refer to

Supervision System or contact assistance.

ION-B User Manual

3.7. Case F Remote Unit

Dimensions and Weight

Dimensions: mm. 564 x 255 x 167 (inches 21.5 x 10 x 8.1) Weight: please refer to the Remote Unit dedicated bulletin in order to know the updated

data about the weight of your case-F Remote Unit.

Figure 3.6.1: Case F Remote Unit (a) with connector panel (b)

TFAM

Case F

(a)

RF auxiliary

DL channel

LED alerts

Green =power ON;

Red = major alarm

RF antenna

port

RF auxiliary

UL channel

DL optical

port

Power supply

UL optical

port

connector

(b)

87MN024-010

TFAM

Case F

RF ports:

• 1 RF auxiliary input and 1 RF auxiliary output (designed to receive and transmit additional signals). Auxiliary input and output ports are SMA-female connectors.

Optical ports:

• 1 optical output port, transmitting UL signals to TFLN master optical TRX;

• 1 optical input port, receiving DL signals from TFLN master optical TRX.

Visual alarms:

Two control LEDs are provided on the Case-F upper side (ﬁ g. 3.6.2). The green LED describes the power supply status, while the red LED describes the major Remote Unit failures (Table 3.6.1).

Led colour Meaning

Red

Green Power supply OK

Low optical power at DL input

and/or RF ampliﬁ er failure

External alarms

Case F architecture does not provide any external alarms control.

Figure 3.6.2: LED panel on

the Case-F Remote Unit

Table 3.6.1: LED panel on

the Case-F Remote Unit

Power supply:

Case-F Remote Unit is available in two versions: one feeded by universal mains (85 to 265 Vac), the other by negative power supply (-72 to -36 Vdc): in ﬁ gure 3.6.3, the 85/220 Vac connector and the -72/-36 Vdc connector are described. Power feeder is always internal. The power cable is always included in the Case-F Remote Unit kit.

ION-B User Manual

85/264 Vac: Connector PE: ground 1: N

-36/-72 Vdc: Connector 4: 0V 6: -48V

2: L

Figure 3.6.3: Description of the 85/264 Vac inlet (a)

and of the -36/-72 Vdc inlet (b) on a Case-F Remote Unit

Warnings (to be read before Remote Units are installed)

Dealing with optical output ports The Case-F Remote Unit contains semiconductor lasers. Invisible laser beams may be emitted from the optical output ports. Do not look towards the optical ports while equipment is switched on.

Choosing a proper installation site for the Remote Units

• Case-F Remote Units have to be installed as close as possible to the radiating antennas, in order to minimize coaxial cable length, thus reducing downlink power loss and uplink

TFAM

Case F

noise ﬁ gure.

• When positioning the Case-F Remote Unit, pay attention that the placing of related antennas should be decided in order to minimize the Minimum Coupling Loss (MLC), so as to avoid blocking.

• The Case-F Remote Unit is intended to be ﬁ xed on walls or other ﬂ at vertical surfaces.

Handling optical connections

• When inserting an optical connector, take care to handle it so smoothly that the optical ﬁ bre is not damaged. Optical ﬁ bres are to be single-mode (SM) 9.5/125µm.

• Typically, ION-B equipment is provided with SC-APC optical connectors (other connectors may be provided on request). Inserting any other connectors will result in severe damages.

• Do not force or stretch the ﬁ bre pigtail with radius of curvature less than 5cm. See rightward ﬁ gure for optimal ﬁ bre cabling.

• Remove the adapter caps only just before making connections. Do not leave any SCAPC adapter open, as they attract dirt. Unused optical connectors must always be covered with their caps.

89MN024-010

• Do not touch the connector tip. Clean it with a proper tissue before inserting each connector into the sleeve. In case connector tips need to be cleaned, use pure ethyl alcohol.

TFAx Case-F installation

Each case-F Remote Unit kit includes:

• 1 Case-F Remote Unit;

• 1 power supply cable (85 to 264 Vac or -48Vdc, depending on the power supply which has been chosen);

• 1 pair of mounting plates;

• 1 screw kit, including four hexagonal-head screws and a torque key.

TFAM

Case F

The operations which need to be carried out in order to perform a proper installation of the Case-F Remote Unit are hereby described:

1- Drill the wall to install four M8 screws anchors (not included) as indicated by the installation

drawing shown in ﬁ g. 3.6.4a. Fix the two mounting plates to the wall by ﬁ rmly screwing the anchors.

2 –Take two of the hexagonal-head screws included in the kit, and fasten them at the top of

the case-F unit (ﬁ g. 3.6.4b, step “b,1”) by using the torque key: while fastening the screws, take care to leave the space required to hang the case-F to the plates (ﬁ g. 3.6.4b, step “b,2”).. Fasten the screws further only after hanging the case-F. Then take the other two hexagonal screws (included) and use them to fasten the bottom sides of the unit to the bottom side of the plates (ﬁ g. 3.6.4b, step “b,3”).

3 – Fix a splice holder (not included) inside the proper splice tray (not included, ﬁ g. 3.6.4c).

Makes the splices between the ﬁ beroptics patchcords coming from the Case-F Remote Unit and the ﬁ beroptics cables which go to the local units. House the optical splices inside the splice holder. Close the splice tray. During these operations, please take care not to bend the ﬁ bres too much. Fix the splice tray inside a splice box (not included), and mount the splice box beside the Remote Unit.

4 - Use the torque key in order to loose the four screws ﬁ xing the cover (ﬁ g. 3.6.4d), and open

the unit. Connect the antenna RF cable to the RF antenna port. Connect the UL and DL optical connectors to the corresponding UL and DL adapters on the unit. Connect the Power cable to the power connector. In case the power cable has been connected to the mains, both the green and the red LEDs should turn on. The green LED will remain on to indicate that the unit is powered on, while the RED led will turn off

ION-B User Manual

Figure 3.6.4: Mounting the Case-F Remote Unit Steps (a), (b)

TFAM

Case F

(a)

(b)

91MN024-010

TFAM

Case F

Figure 3.6.4: Mounting the Case-F Remote Unit Steps (c)-(d)

(c)

(d)

ION-B User Manual

as soon as the local unit will be switched on (for further details about the start-up of the whole system, please refer to the section ”TFAx Case F start-up”).

5 - Close the unit, and fasten the 4 screws shown in ﬁ g. 3.6.4c by using the torque key.

TFAx Case F start-up

Before the Case-F Remote Unit is switched on, make sure that:

• the modules hosted in the master unit have been connected each other with RF jumpers, according to the system design

• every TFLN master optical TRX has been connected to its Remote Units

• each Remote Unit has been connected to its coverage antennas

For a correct system start-up, all the Remote Units have to be switched on before the master unit. Once the Case-F Remote Unit has been switched on, its behaviour could be checked by unscrewing the four hexagonal screws (see ﬁ g on the sides of the case-F), removing the cover, and looking at the control LEDs. When the system starts-up, their status can be summarised as per the following steps.

1. When the Remote Unit is turned on, both the LEDs turn on for a couple of seconds.

3. Once the TFLN master unit has been switched on, the status of the LEDs is described by Table 3.6.1. If the red LED remains on, please refer to the troubleshooting section.

4. Once it has been switched on, the Remote Unit starts working correctly. Anyway, in order to be recognized by the supervision management system, it is necessary for the corresponding TFLN master optical TRX to carry out the discovery phase (please refer to Supervision System Manual for more details). During this phase, (whose duration depends on the system complexity, and which can last at max. 4min) the TFLN LED “ Do not connect/disconnect any cable or any piece of equipment during the discovery

“ blinks.

TFAM

Case F

phase! This may result in no identiﬁ cation of the Remote Unit.

TFAx Case F troubleshooting

Faults can be revealed by LEDs on the Remote Unit (RU) front panel as well as by LMT or Supervision System (running on the remote supervision unit)

93MN024-010

TFAM

Case F

Both LMT and Supervision System provide full information about the device causing the alarm. As a consequence, troubleshooting procedure can be very immediate when the failure detection is directly carried out through LMT or Supervision System. ION-B modules are designed in order to exchange information each other: each RU constantly monitors the optical signal received from its TFLN unit, so as to control optical losses. Table 3.6.2 shows a brief description of the alarms related to a Case L Remote Unit, with a reference to the corresponding alerted LEDs and to the actions to be carried out in the case of a fault.

As this table shows, not all the alarms are revealed by the LEDs placed on the Remote Unit control panel: in fact, LEDs reveal only major alarms (i.e., the high priority ones), whereas the minor alarms (i.e., the low priority ones) are revealed only by the LMT software or through the TSUN Supervision System. The minor alarms usually detect critical situations which should be checked so as to avoid future possible system faults.

Note: Each Remote Unit is provided with an AGC system which comes in after the optical-to-RF conversion. This AGC can correctly compensate optical losses when these are estimated to be <3.5 dB. In case optical losses are > 3.5dB, the LMT application and the ION-B supervision unit will display a “Warning” alarm: the whole system still work, but AGC is near to its borderline

ALARM CODE

(TSUN description)

DL optical power

AGC out of range

DL low alarm in Band 1

DL high alarm in band 2

Power supply alarm

Internal BUS alarm

Temperature alarm Over-temperature alarm NONE MINOR

Alarm Description Active

The DL received optical

power is too low and

can no more be

compensated by AGC 1

The DL received optical

power experiences

a loss > 3dB, which

nevertheless can still be

compensated 1

HW failure on the DL RF

low band

HW failure on the UL RF

low band

UPS HW failure or

malfunction.

RF is turned OFF

A malfunctioning on

the digital part involves

a fault in monitoring

functionalities

Supervision

LED

RED MAJOR

NONE

RED CRITICAL Return the unit

RED CRITICAL

RED MAJOR Return the unit MAJOR

RED CRITICAL Return the unit MAJOR

Priority Level

WARNING

Action

Recommended

Check the DL ﬁ bre

and the TFLN laser

status

Clean optical

connectors

Return the unit MAJOR

Check ventilation

and environment

RELE’ Priority

level

MAJOR

MINOR

MAJOR

MINOR

Table 3.6.2 (a): Description of the alarms of the TFAx Case F Remote Unit,

as they are reported by LMT application or Supervision Interface.

ION-B User Manual

levels. The red LED switches on when the estimated optical losses are >4.5 dB, the AGC not being able to compensate these losses any more.

0dBm

Normal

As shown in the previous table, the same red LED switches on to reveal any major failure. Following the troubleshooting procedure reported hereinafter it is possible to better understand what

Warning

Alarm

-3.5dBm

-4.5dBm

problem occurred.

AGC thresholds vs LED alerts

Quick troubleshooting procedure

(The following procedure is summarized by the ﬂ ow-chart in ﬁ g. 3.6.6a)

In case the red LED is ON, please follow these steps:

1. First of all, clean the optical adapters

2. If the problem still persists, refer to the ﬁ bre optic DL troubleshooting to check if optical cables or optical connections have any problem on DL path.

3. If previous actions didn’t make the LED switch off replace the unit with a new one or contact for assistance.

Fig. 3.5.6:

TFAM

Case F

Fibre optic DL troubleshooting

(The following procedure is summarized by the ﬂ ow-chart in ﬁ g. 3.6.6b)

1. Check if there is any point where ﬁ bre experiences a short radius of curvature. In this case, rearrange the optical path in order to avoid sharp bends (if necessary, replace the

start

Clean the SC - APC

optical adapters

and connectors

troubleshooting

Is the red LED

ON upon the TFAH?

Yes

Is the red LED

ON upon the TFAH?

Yes

Optical cable or optical

connections are supposed

to have problems on DL

path. Refer to fibre optic DL

troubleshooting (fig.3.16c)

end

Figure 3.6.6 (a): Flow chart describing the quick troubleshooting procedure for the Case F Remote Unit

95MN024-010

start

Is any dry contact

connected to some

external equipment?

Yes

Rearrange the optical

path to avoid sharp bends. If necessary,

replace the optical cable

with a longer one

TFAM

Case F

Are SC-APC

connectors properly

installed at both fiber

ends?

Yes

Disconnect the

optical fiber and

clean it at both ends.

Disconnect the optical

SC-APC connector from

the remote unit DL port.

Fix better the

SC-APC

connectors.

Yes

Clean the optical SC-APC

Is the red LED

upon the TFAx

still ON??

ports on both the TFLN

and the remote unit.

Yes

External equipment

connected to this dry

contact port should

be faulty. Test it.

Yes

Is the red LED

upon the TFAx

still ON??

Is this dry-contact

electrically closed?

Measure the output power at the corre-

sponding fiber ends.

Calculate the fiber DL attenuation:

DL[dB]=input power - output power

Is ADL >4dB?

Yes

Figure 3.6.6 (b): Flow chart describing the ﬁ ber DL troubleshooting

Go to the

TFLN side

Fiber optic cable has

some problems.

Please replace it

The troubleshooting procedure has not identi-

fied the problem. Use the supervision system or

contact assistance

Disconnect the optical

SC-APC connectors from

the TFLN DL ports

Measure the input power coming out of the TFLN DL port

end

ION-B User Manual

optical cable with a longer one). If TFLN red LED switches off, troubleshooting has been successfully carried out. Otherwise, follow next steps.

4. Disconnect the optical SC-APC connector from Remote Unit DL port, and measure the output power POUT(DL) at the corresponding ﬁ bre end. Then, go to the TFLN side, disconnect the optical SC-APC connector from TFLN DL port and measure the input power PIN(DL) coming out of the TFLN DL port. Calculate the DL ﬁ bre attenuation ADL as ADL [dB] = PIN(DL) – POUT(DL)

a. If ADL > 4dB, then the ﬁ bre optic cable has some problems. Replace it with a new

one.

b. If ADL < 4dB troubleshooting procedure has not identiﬁ ed the problem. Refer to

Supervision System or contact assistance.

TFAM

Case F

97MN024-010