Airspan Networks AIRSPAN-BSR900 Base Station Radio (BSR) User Manual Part 2A

Airspan Networks Inc Base Station Radio (BSR) Users Manual Part 2A

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Part List and Required Tools

Part List and Required ToolsPart List and Required Tools

Part List and Required Tools

This chapter discusse the following:

! Unpacking and veifying contents

! Required tools

3.1. Unpacking and Verifying Contents

Warning: Examine the WipLL shipping container. If you notice any damage,

or missing items, immediately notify the carrier that delivered the unit and

contact the Airspan representative.

The WipLL hardware equipment can be divided into two parts:

! Base station equipment

! CPE equipment

3.1.1. Base Station Equipment

Certain base station equipment is required while others are optional equipment,

depending on the type of configuration and includes the following:

! Base Station Radio (BSR)—required

! Base Station Distribution Unit (BSDU)—optional

! Base Station Power System (BSPS)—optional

! GPS antenna—optional

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3.1.1.1. BSR

The BSR kit includes the following components:

! BSR chassis

! Mounting equipment that includes:

! Mounting brackets

! Mounting screws:

− Washers

− 4 x screws

− Bolts

! Connectors:

! 15-Pin D-type (for data and serial interface, and power)

! N-type (optional for third-party external antenna)

Figure 3-1: BSR kit

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3.1.1.2. BSDU (optional)

The BSDU interfaces between the BSR and the backhaul network, as well as used

for daisy-chaining BSR units. The BSDU kit includes the following connectors:

! Mounting: four off M5 screws and plastic-cup washers

! 6 x RJ-45: two each for 100Base-T, 10Base-T, and clock synchronization

! 2 X 9-Pin D-type (for monitor and management)

! 7 x 15-Pin D-type (for power, Ethernet, daisy-chaining BSRs, and GPS)

! Power cable

Figure 3-2: BSDU kit

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3.1.1.3. BSPS (optional)

The BSPS is an optional power redundancy unit (DC-UPS). The BSPS includes the

following parts:

! Rectifier

! DC Distribution

! System Controller

3.1.1.4. GPS (optional)

The GPS antenna synchronizes base stations by providing a universal satellite clock

signal.

! 5,15, or 50 meter mating cable

! 5/8″ adapter

! Magnet mount

Figure 3-3: GPS kit

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3.1.2. Customer Premises Equipment

WipLL hardware installed at the customer’s site includes the following:

! Subscriber Premises Radio (SPR)

! RSSI LED Plug (optional - for measuring SPR’s RSSI levels)

! Subscriber Data Adapter (SDA)

! Indoor Unit (IDR)—optional, instead of the SPR and SDA

3.1.2.1. SPR

The SPR consists of the following parts:

! SPR chassis

! Mounting equipment that includes:

! Mounting bracket

! 2 x Screws

! 2 x Bolts

! 4 x Washers

! 15-Pin D-type connector

Figure 3-4: SPR kit

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3.1.2.2. RSSI LED Plug

The RSSI LED Plug can be connected to the SPR for measuring SPR received signal

strength indication level.

The RSSI LED Plug kit includes the following parts:

! RSSI LED plug providing LED lights and two 15-pin D-type ports

! 1-meter straight-through cable

3.1.2.3. SDA

The SDA is an Ethernet hub that connects to the main power supply and provides

data connection to the SPR. The SDA is available in three main models:

! SDA-1

! SDA-4H

! SDA-4S

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3.1.2.3.1. SDA-1

The SDA-1 provides one 10Base-T connection to a host PC or network. The SDA-1

includes the following parts:

! SDA-1 chassis

! Power cable

Figure 3-5: SDA-1 kit

3.1.2.3.2. SDA-4H

The SDA-4H includes four interfaces: three for PC connection; one for daisy-

chaining to another hub or a LAN switch. The SDA-4H includes the following parts:

! SDA-4H chassis

! Power cable

Figure 3-6: SDA-4H kit

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3.1.2.3.3. SDA-4S

The SDA-4S includes four 10/100Base-T interfaces for PC connection. The SDA-4S

kit includes the following parts:

! SDA-4S chassis

! Power cable

Figure 3-7: SDA-4S kit

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3.1.2.4. IDR kit

The IDR unit is an optional customer premises equioment that replaces the SPR and

SDA. The IDR combines the SPR and SDA in one unit.

The IDR is available in two models: IDR with external antenna; IDR with internal

antenna. These two IDR models have the same parts, except that the IDR with

external antenna model has a connector for attaching a third-party antenna.

The IDR unit includes the following parts:

! Chassis

! Power cable

! Power supply unit

! Ethernet cable

! Mounting stand

Figure 3-8: IDR kit

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3.2. Required Tools

The following tools are required for installing the WipLL system:

! Pin crimper tool for CAT-5e cables for 15-Pin D-type and N-type connectors,

and for GPS connectros

! Cable stripping tool

! Philips screw driver

! Flat-blade screwdriver

! Adjustable wrench

! ESD-prevention wrist strap

! Torque wrench for N-type connectors

! IDR unit:

! Flat blade screwdriver

! Pozidriv screwdriver

! 3 mm A/F Allen key

! 10 mm A/F open ended spanner

Part I

Part IPart I

Part I

Installing WipLL

Installing WipLL Installing WipLL

Installing WipLL

Base Station Equipment

Base Station EquipmentBase Station Equipment

Base Station Equipment

Part I describes the procedures for installing the WipLL base station equipment, and

includes the following chapters:

! Chapter 4, “Installing the BSR”

! Chapter 5, “Installing the BSDU”

! Chapter 6, “Installing the GPS”

! Chapter 7, “Installing the BSPS”

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Installing the BSR

Installing the BSRInstalling the BSR

Installing the BSR

This chapter describes the installation of the WipLL Base Station Radio (BSR),

which is installed at the base station.

This chapter includes the following sections:

! Overview

! Physical Dimensions and Basic Design

! Cable Installation Guidelines

! Connecting BSR for Serial Configuration

! Connecting BSR to the Backhaul Network

! Through the SDA

! Through the BSDU

! Conecting a Third-Party External Antenna (Optional)

! Connecting BSR to Power

! Mounting the BSR

! Minimum Distance Between BSRs

! Wall Mounting

! Pole Mounting

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4.1. Overview

The BSR is the center of the WipLL system. The BSR provides last-mile wireless

connectivity by connecting the provider’s backhaul network to the subscriber’s

wireless unit (Subscriber Premises Radio [SPR]). In addition, the BSR is responsible

for synchronizing the WipLL network (i.e., synchronizing SPRs/IDRs).

For base stations consisting of a single BSR, the BSR is typically powered and

connected to the provider’s backhaul network by the WipLL Subscriber Data

Adapter (SDA). For base stations consisting of multiple BSRs, the BSRs are

powered and connected to the provider’s backhaul by the WipLL Base Station

Distribution Unit (BSDU).

The BSR is available in three models:

! BSR with a built-in antenna

! BSR with an N-type port for connection to an optional third-party external

antenna

! BSR with an two N-type ports for connection to two optional third-party external

antennas for dual antenna diversity

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4.2. Physical Dimensions and Basic Design

The BSR is encased in a chassis providing access to the BSR’s communication port

on the front panel (see Figure 4-1). The BSR’s bottom panel provides holes for

mounting the BSR to, for example, a pole or wall (see Figure 4-11).

Figure 4-1: BSR front panel (internal antenna model)

The BSR’s physical dimensions are described in Table 4-1

Table 4-1: BSR Physical Dimensions

Parameter Value

Height 400 mm (15.74 inches)

Width 317 mm (12.48 inches)

Depth 65.5 mm (2.58 inches)

Weight 4.7 kg

Notes:

1) The BSR’s physical dimensions exclude the mounting kit.

2) A BSR model with an N-type receptacle for attaching a third-party external

antenna is also available (see Section 4.6, “Conecting a Third-Party External

Antenna (Optional)”.

Serial port Data, power, and synchronization port

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4.3. Cable Installation Guidelines

This section defines the procedures to be adhered to when installing data cables at

the base station.

Warning: Pre-terminated cables should be fitted with protective poly bags

during cable installation processes.

Metal cable trays shall be earthed to a central earth point within the customers’

equipment room.

Note: A minimum separation of 200 mm should exist between power and data

cables.

The following points are to be considered:

! When installing network cables, ensure they are not damaged by friction or sharp

edges. Spacing of installation personnel at regular distances during any cable

drawing-in process will avoid contact with potential hazards.

! Data cables providing connection to the customers network shall be run in

suitable conduits. Cable conduits should be secured to the wall in accordance

with manufacturers instructions.

! Cables should be carefully fed through conduits and not pulled by means of any

attached connector.

! Sufficient space should be provided in cable ducts, trunking or trays (where

possible) to allow for future cabling growth.

! External data cables are to be protected in protective conduit, which is to be

secured to the building structure in accordance with manufacturers

recommendations. Trunking must not be located as to provide a trip hazard at the

base station premises (e.g. roof walkways)

! BSR cables are to be dressed tidily to the mounting pole or bracket using

strategically placed cable ties.

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! Observe recommended minimum bend radii when installing copper cables.

Wherever a cable changes direction, ensure that it does so in a smooth curve

with a radius of at least 50 mm to prevent damage.

! A maintenance loop is to be left in the cable just before the cable reaches the

BSR or GPS to prevent strain on the connector.

! Data cables entering holes drilled in walls are to be dressed to provide a loop that

will prevent water ingress into the building along the cable.

! Silicone sealant should be used to plug any holes on both internal and external

wall surfaces once cables are in place.

! All data cables should be labeled with both the source and destination at each

end.

Note: The maximum cable length between the BSR and terminating equipment

is 100 meters.

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4.4. Connecting BSR for Serial Configuration

The BSR provides a serial port for RS-232 serial interface to a PC. This serial

communication connection allows you to perform BSR initial configuration.

Notes:

1) For serial configuration, the BSR must remain connected to the BSDU/SDA

(i.e., the BSR’s 15-pin D-type port remains connected to the BSDU’s/SDA’s 15-

pin D-type port).

2) For a detailed explanation on performing BSR initial configuration using

WipLL’s management applications, refer to WipConfig User’s Guide and

WipConfig PDA User’s Guide.

The BSR-to-PC management station serial cable connections include the following

! Cable: Crossover serial cable

! Connectors:

! BSR: 9-pin D-type male

Figure 4-2: 9-pin D-type male connector

! PC: 9-pin D-type female (RS-232)

Figure 4-3: 9-pin D-type female connector

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! Connector pinouts:

Table 4-2: BSR-to-PC serial connector pinouts

BSR PC

9-pin D-type

male

Pin Function Pin Function 9-pin D-type

female

1 Not

connected

(NC)

1 NC

2 RS232 Rx 3 Tx

3 RS232 Tx 2 Rx

4 NC 6 NC

5 GND 5 GND

6 NC 4 NC

7 NC 8 NC

8 NC 7 NC

9 NC 9 NC

To connect the BSR to the PC and SDA/BSDU for serial configuration:

1. Connect the serial cable’s 9-pin D-type male connector to the BSR’s 9-pin D-

type port labeled SERIAL, as displayed in Figure 4-4.

2. Connect the serial cable’s 9-pin D-type female connector to the PC’s serial port,

as displayed in Figure 4-4.

Note: Ensure that the BSR remains connected to the BSDU/SDA (i.e., the

BSR’s 15-pin D-type port remains connected to the BSDU’s/SDA’s 15-pin D-

type port).

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Figure 4-4: BSR-to-PC serial connection

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4.5. Connecting BSR to the Backhaul Network

The BSR connection to the provider’s backhaul network depends on the base

station’s configuration:

! Base station consisting of a single BSR: connection to the backhaul is through

the SDA

! Base station consisting of multiple BSRs: connection to the backhaul is

through the BSDU.

4.5.1. Through the SDA

For a base station consisting of a single BSR, the BSR’s power supply and

connectivity to the backhaul network is provided by the SDA. The SDA is typically

installed at the subscriber’s premises, but in such a scenario, the SDA can also be

used at the base station. For a detailed description of the SDA, see Chapter 9,

“Installing the SDA”.

The BSR-to-SDA cable connection configurations are as follows:

! Connectors:

! BSR: 15-pin D-type male (only 8 pins are used)

! SDA: 15-pin D-type male (only 8 pins are used)

! Cable: straight-through CAT-5

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! Connector pinouts:

Table 4-3: BSR-to-SDA 15-pin D-type connector pinouts

BSR SDA 15-pin

D-type

male Pin Function

Wire color Wire

pair Pin Function

1 +48 VDC Blue / white 1 +48 VDC

2 -48 VDC Blue

2 -48 VDC

3 Tx+ Orange / white 3 Rx+

4 Tx- Orange

4 Rx-

5 Rx+ Green / white 5 Tx+

6 Rx- Green

6 Tx-

7 Sync.+ Brown / white 7 Sync.+

8 Sync.- Brown

8 Sync.-

Notes:

- Pins 9 through 15 of the 15-pin D-type connector are not used.

- The wire color-coding described in the table is WipLL's standard for wire

color-coding. However, if you implement your company's wire color-coding

scheme, ensure that the wires are paired and twisted according to the pin

functions listed in Table 4-3 (e.g., Rx+ with Rx-).

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WipLL uses the following wire color-coding standards for CAT 5 cables with 15-pin

D-type to 15-pin D-type connectors on either ends (8 wires used):

Figure 4-5: WipLL wire color-coding for 15-pin D-type connectors

Note: The wires are twisted together in pairs, for example, blue/white with

blue, and orange/white with orange. This prevents electrical interference

between the transmitter pins. For example, pin 3 (Tx+; orange / white) is paired

and twisted with pin 4 (Tx-; orange).

Note: Airspan supplies unterminated cables for 15-Pin D-type connectors. Refe

to the cable crimping procedures for 15-Pin D-type connectors detailed in

Appendix B, “Cable Crimping".

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To connect the BSR to the backhaul through the SDA:

1. Attach the 15-pin D-type connector, at one end of the cable, to the BSR’s 15-pin

D-type port labeled DATA POWER SYNC, as displayed in Figure 4-6.

2. Attach the 15-pin D-type connector, at the other end of the cable, to the SDA’s

15-pin D-type port, as displayed in Figure 4-6.

3. Connect the SDA’s RJ-45 Ethernet port to the backhaul.

Note: For a detailed description of the SDA models, see Chapter 9, “Installing

the SDA”.

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Figure 4-6: Connecting BSR to the backhaul through the SDA

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4.5.2. Through the BSDU

For base stations consisting of multiple BSRs, the power supply and connectivity to

the backhaul network is provided by the BSDU. The BSR’s 15-pin D-type port is

connected to the BSDU’s rear panel 15-pin D-type port (labeled BSR #).

Note: For a detailed description of the BSDU, see Chapter 5, “Installing the

BSDU”.

The BSR-to-BSDU cable connection configurations is as follows:

! Connector:

! BSR: 15-pin D-type male (only 8 pins are used)

! BSDU: 15-pin D-type male (only 8 pins are used)

! Cable: straight-through 10Base-T Ethernet 4 Pair Cat 5 outdoor type – 24 AWG

! Connector pinouts:

Table 4-4: BSR-to-BSDU 15-pin D-type connector pinouts

BSR BSDU 15-pin

D-type

male Pin Function

Wire color Wire

pair Pin Function

1 +48 VDC Blue / white 1 +48 VDC

2 -48 VDC Blue

2 -48 VDC

3 Tx+ Orange / white 3 Rx+

4 Tx- Orange

4 Rx-

5 Rx+ Green / white 5 Tx+

6 Rx- Green

6 Tx-

7 Sync.+ Brown / white 7 Sync.+

8 Sync.- Brown

8 Sync.-

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Notes:

- Pins 9 through 15 of the 15-pin D-type connector are not used.

- The wire color-coding described in the table is WipLL's standard for wire

color-coding. However, if you implement your company's wire color-coding

scheme, ensure that the wires are paired and twisted according to the pin

functions listed in Table 4-3 (e.g., Rx+ with Rx-).

WipLL uses the following wire color-coding standards for CAT 5 cables with 15-pin

D-type to 15-pin D-type connectors on either ends (8 wires used):

Figure 4-7: WipLL wire color-coding for 15-pin D-type connectors

Note: The wires are twisted together in pairs, for example, blue/white with

blue, and orange/white with orange. This prevents electrical interference

between the transmitter pins. For example, pin 3 (Tx+; orange / white) is paired

and twisted with pin 4 (Tx-; orange).

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To connect the BSR to the backhaul through the BSDU:

1. Attach the 15-pin D-type connector, at one end of the cable, to the BSR’s 15-pin

D-type port labeled DATA POWER SYNC, as displayed in Figure 4-8.

2. Attach the 15-pin D-type connector, at the other end of the CAT-5 cable, to the

BSDU’s 15-pin D-type port labeled BSR, located at the rear of the BSDU, as

displayed in Figure 4-8.

3. Connect one of the BSDU’s 100Base-T ports, located at the front panel, to the

backhaul (see Chapter 5, “Installing the BSDU” for a detailed description of

connecting the BSDU to the backhaul).

Note: Airspan supplies unterminated cables for 15-Pin D-type connectors. Refe

to the cable crimping procedures for 15-Pin D-type connectors detailed in

Appendix B, “Cable Crimping".

Figure 4-8 displays the cable connections between the BSR and BSDU.

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Figure 4-8: BSR-to-BSDU cable connection

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4.6. Connecting a Third-Party External Antenna

(Optional)

The BSR model with an N-type connector can be connected to an external antenna.

The addition of an external antenna allows greater RF sector coverage than the

standard BSR Internal Antenna model (i.e., 60°). The BSR with an external antenna

is especially suited for base stations with one BSR, where sector coverage can be

increased to 360° by using an omni-antenna. The BSR model for the 900 MHz band

provides two N-type connectors for attaching two external antennas. This provides

dual antenna diversity.

! Connector (third-party): N-type male (two N-type connectors for BSR model

for 900 MHz band. The N-type socket labelled Primary is used only if one

antenna is connected.)

Figure 4-9: Example of an N-type connector

! Cable (third-party): RF coaxial

Warnings:

1) Before connecting the external antenna, ensure that the BSR is NOT

connected to the power source.

2) Before powering on the BSR, ensure that some type of equiment such as

an antenna or an RF attenuator is connected to the N-type receptacle. This

eliminates the risk of burning the BSR device.

To connect the BSR to an external antenna:

! Attach the third-party N-type male connector to the N-type receptacle located on

the BSR’s front panel, as displayed in Figure 4-10.

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Notes:

1) For crimping cables for N-type connectors, see Appendix B, “Cable

Crimping”.

2) Ensure that the third-party antenna cable is of sufficient high quality to

reduce/eliminate loss when operating in the required frequency band.

Figure 4-10: Connecting BSR to N-type external antenna connector (third-party)

Warning: It is the responsibility of the person installing the WipLL system

to ensure that when using the outdoor antenna kits in the United States (o

where FCC rules apply), that only those antennas certified with the product are

used. The use of any antenna other than those certified with the product is

expressly forbidden in accordance with FCC rules CFR47 part 15.204. The

installer should configure the output power level of antennas according to

country regulations and per antenna type.

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4.7. Connecting BSR to Power

The BSR is powered by the SDA or BSDU (depending to which unit the BSR is

connected). The power is supplied through the BSR’s 15-pin D-type port, which is

connected to the SDA or BSDU.

The BSR’s power requirements are described in Table 4-5.

Table 4-5: BSR Power Requirements

Parameter Value Comment

Voltage:

• Minimum

• Maximum

48 VDC nominal

• 30 VDC

• 55 VDC

Voltage is received from the

BSDU or SDA

Maximum Amperes: 500 mA

Warning: If you are using an external antenna, ensure that you connect the

antenna before connecting the BSR to the power source.

Note: For details on connecting the SDA or BSDU to the mains power supply,

see Chapter 5, “Installing the BSDU” and Chapter 9, “Installing the SDA”.

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4.8. Mounting the BSR

The BSR can be mounted on a wall or pole. The BSR is mounted using the

mounting holes located on the BSR’s bottom panel (see Figure 4-11) and the

mounting bracket (provided by Airspan).

Figure 4-11: BSR bottom panel providing holes for mounting

The mounting brackets for BSR wall- and pole-mounting are different.

Note: The antenna used for this transmitter must be installed to provide

minimum separation distance of at least 20 cm from all persons and must not

be co-located or operated in conjunction with any other antenna or transmitter.

Mounting holes

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4.8.1. Minimum Distance Between BSRs

To prevent system interference, each BSR requires a minimum of 1-metre separation

between adjacent BSRs (see Figure 4-12).

1 Metre min.

Figure 4-12: Minimum distance between mounted BSRs

Warning: The BSR emits microwave radiation; a minimum distance o

200 mm must be maintained from the front of the BSR.

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4.8.2. Wall Mounting

BSR wall mounting is performed in two chronological stages:

! Attaching the mounting bracket to the BSR’s mounting holes

! Attaching the mounting bracket (attached to the BSR) to the wall

To mount the BSR on a wall:

1. Attach the mounting bracket to the BSR using two stainless steel bolts, as shown

in Figure 4-13.

Jubilee clip slots

BSR

BSR Fixing Bolts

BSR Mounting

Bracket

15-pin D-type

connector

Figure 4-13: Attaching the mounting bracket to the BSR

2. Attach the mounting bracket to the wall using four screws. The fixing

dimensions for the mounting bracket is illustrated in Figure 4-14

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Note: Airspan does not provide screws for attaching the mounting bracket to

the wall. The screw size depends on the structure of the building to which the

bracket is to be attached. When selecting screw sizes, consideration must be

given to the weight of the BSR and load that may be induced in windy

conditions.

58mm

8mm

99mm

Figure 4-14: BSR mounting bracket dimensions for the four fixing holes

3. Adjust the horizontal positioning of the BSR, and then fasten tight the two

stainless-steel bolts.

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Rotation is restricted to the horizontal plane only. The permissible rotation is

shown in Figure 4-15.

Figure 4-15: Horizontal rotation of the BSR

Note: A thread-locking compound is to be used to prevent the bolts working

loose.

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4.8.3. Pole Mounting

The BSR can be mounted on a pole (see Figure 4-16). Pole mounting allows the

BSR to be adjusted in the horizontal as well as the vertical plane. The pole-mounting

bracket assembly is designed to support the BSR on a round pole of 45 mm in

diameter.

Figure 4-16: Mounted BSR

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To mount the BSR on a pole:

1. Attach the mounting bracket to the BSR using two stainless steel bolts.

Pivot Hole

‘U’ Bolt

Locking Holes

BSR mounting

Bracket

Clamping Bracket

Figure 4-17: BSR mounting bracket assembly

2. Attach the clamping bracket to the mounting bracket using two M8 stainless

bolts.

3. Attach the Clamping bracket to the pole by placing the U-bolt around the pole,

and then inserting the U-bolt through the Clamping bracket and securing it by

screwing the two bolts on the U-bolt.

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4. Adjust the vertical position of the BSR. Lock the BSR at the desired position by

inserting the locking bolt in the desired position. Once the correct angle has been

set both bolts must be tightened to lock the BSR bracket in place.

5. Adjust the horizontal position of the BSR by rotating the BSR about the pole,

and then tighten the U-bolt.

BSR positioning is obtained in two planes by adjustment of the mounting

bracket assembly a shown in Figure 4-18.

Rotation about the

mounting pole

Rotation about the

mounting bracket

Figure 4-18: BSR GPS orientation in vertical (top figure) and horizontal plane (lower

figure)

Note: A thread-locking compound is to be used to prevent the bolts working

loose. A loop should be left in the cable for maintenance purposes and to

prevent the cable weight being taken directly on the connector.

02030311-05 Airspan Networks Ltd. 5-1

Installing the BSDU

Installing the BSDUInstalling the BSDU

Installing the BSDU

This chapter describes the installation of the WipLL Base Station Distribution

Unit (BSDU), which is installed at the base station.

This chapter includes the following sections:

! Overview

! Physical Dimensions and Basic Design

! Rack-Mounting

! Connecting to BSRs

! Connecting to GPS Antenna

! Connecting to 100Base-T Networks

! Daisy-Chaining BSDUs

! Connecting Sync IN/OUT ports

! Connecting to BSPS for Power Management

! Connecting to PC for Serial Management

! Connecting to PC for Network IP Management

! Connecting to Power

! LED Indicators

Installing the BSDU Hardware Installation Guide

5-2 Airspan Networks Ltd. 02030311-05

Warning:

To avoid electrical shock and fire hazard ensure that all data and powe

connections are made prior to connecting the BSDU to the DC power supply.

When installing the BSDU, it is required that you wear the wrist strap for ESD

prevention.

Note: Airspan supplies unterminated cables for 15-Pin D-type and N-type

connectors. Refer to the cable crimping procedures for these connectors in

Appendix B, “Cable Crimping".

5.1. Overview

The WipLL BSDU is an optional WipLL device that connects multiple BSRs at a

base station. The BSDU is installed in a cabinet at the customer's base station.

The BSDU provides the following functionality:

! Serves up to six BSRs. Up to four BSDUs can be daisy-chained at a single base

station to support up to 24 BSRs.

! Power supply of –48 VDC to BSRs.

! Wide Area Network (WAN) interface to the provider’s backhaul network.

! Frequency-hop synchronization.

Hardware Installation Guide Installing the BSDU

02030311-05 Airspan Networks Ltd. 5-3

5.2. Physical Dimensions and Basic Design

The BSDU is encased in a chassis providing access to the BSDU's communication

ports on the front and rear panels. The BSDU can be mounted in a standard 19" rack

with 1-U vertical space requirement.

Figure 5-1 displays the BSDU's front panel.

Figure 5-1: BSDU front panel

The BSDU's front panel provides the following ports:

! Two RJ-45 100Base-T ports

! Two RJ-45 10Base-T ports

! One RJ-45 port (input) for synchronization with previous BSDU in ring

! One RJ-45 port (output) for synchronization with next BSDU in ring

! One 9-Pin D-type (female) monitor serial port for WipConfig interface

! One 9-Pin D-type (male) port for management interface with the Base Station

Power System (BSPS)

! DC power input connector –48 VDC

! Various LEDs

BSR’s LEDs

100Base-T LEDs Status LEDs Power receptacle

BSPS power

management port

10Base-T ports

Serial management port

Synchronization ports

100Base-T ports

Installing the BSDU Hardware Installation Guide

5-4 Airspan Networks Ltd. 02030311-05

Figure 5-2 displays the BSDU's rear panel.

Earth Stud

GPS port

Six BSR ports

Figure 5-2: BSDU rear panel

The BSDU's rear panel provides the following ports:

! Six 15-Pin D-type connectors which provide DC power, Ethernet connection,

synchronization and serial interface to the BSR (up to six BSRs)

! One 15-Pin D-type connector for the Global Positioning System (GPS) antenna

! One 5-mm diameter grounding lug

The BSDU's physical dimensions are described in Table 5-1.

Table 5-1: BSDU physical dimensions

Parameter Value

Height 43.2 mm (1.7 inches)

Width 482.6 mm (19 inches)

Depth 228.6 mm (9 inches)

Weight 2.9 kg

Hardware Installation Guide Installing the BSDU

02030311-05 Airspan Networks Ltd. 5-5

5.3. Rack-Mounting

The BSDU is a 1U-chassis, which is installed in a standard 19" (inch) cabinet, and is

provided with front-rail mounting brackets. The mounting brackets are part of the

BSDU chassis. Therefore, all that is required for mounting the BSDU is to attach the

BSDU mounting brackets to the cabinet. The BSDU is secured to the cabinet’s

mounting rails using the supplied four M5 mounting screws and plastic cup washers.

To rack-mount the BSDU:

1. Determine which mounting rail holes of the cabinet—left and right side—will be

used for attaching the chassis.

2. Insert four nuts into the holes you specified in Step 1.These nuts are housed in

Tinnerman clips, which allow you to fasten them into the holes. To insert the

Tinnerman clips, hold the clips, squeeze them, and then insert them into the hole.

3. Carefully insert the BSDU into the cabinet, aligning the BSDU’s mounting

brackets with the holes.

4. Insert the M5-mounting screws, with plastic washers, in the BSDU mounting

bracket screw holes, on each side, as shown Figure 5-3. In this way, the chassis

is supported until you tighten the chassis screws.

Installing the BSDU Hardware Installation Guide

5-6 Airspan Networks Ltd. 02030311-05

5. Tighten the M5 mounting screws to fasten the chassis to the cabinet.

Figure 5-3: BSDU rack mounting

Note: When mounting multiple BSDUs in a cabinet, vertical space—above

and below—is required for threading cables to the rear.

Figure 5-4: BSDU and vertical space for cables

Space for cable

management

1U-chassis

Hardware Installation Guide Installing the BSDU

02030311-05 Airspan Networks Ltd. 5-7

5.4. Connecting to BSRs

The BSDU rear panel provides six 15-Pin D-type connectors for connecting a

maximum of six BSRs. For a detailed description of connecting BSRs to the BSDU,

see Chapter 4, “Installing the BSR”.

Note: A maximum of 4 BSDUs can be installed at a base station, allowing

maximum connection of up to 24 BSRs.

! Connector: 15-Pin D-type (male)

! Connector pinouts: see Chapter 4, “Installing the BSR”.

For a description of the BSDU’s BSR ports LED indicators, see Section 5.13.1,

“BSR’s LED”.

5.5. Connecting to the GPS Antenna

The rear panel of the BSDU provides a 15-Pin D-type connector port, labeled GPS

for connection to the GPS antenna for clock synchronization. The GPS allows

synchronization between base stations.

Note: For a detailed explanation on connecting the GPS to the BSDU port,

see Chapter 6, “Installing the GPS”.

Installing the BSDU Hardware Installation Guide

5-8 Airspan Networks Ltd. 02030311-05

5.6. Connecting to 100Base-T Networks

The BSDU’s front panel provides two RJ-45 ports for connection to 100Base-T

(labeled 100Base-T) ports. The 100Base-T ports are used for connection to the

WipLL management station and the service provider’s backbone (Ethernet).

! Connector: 8-Pin RJ-45 (male)

! Connector pinouts:

Pin Name Description

1 Tx+ Transmit Data+

2 Tx- Transmit Data-

3 Rx+ Receive Data+

4 NC Not connected

5 NC Not connected

6 Rx- Receive Data-

7 NC Not connected

8 NC Not connected

Hardware Installation Guide Installing the BSDU

02030311-05 Airspan Networks Ltd. 5-9

5.7. Daisy-Chaining BSDUs

You can daisy chain up to four BSDUs at each base station. When you daisy chain

BSDUs, you need to connect the 100Base-T ports between BSDUs using a

crossover cable.

! Connector: 8-pin RJ-45

! Cable: RJ-45-to-RJ-45 crossover

! Connector pinouts: The following table describes the pinouts of the RJ-45

connectors on opposite sides of the crossover cable:

RJ-45 (one end) RJ-45 (other end)

Pin Name

Description

1 Tx+ Transmit Data+ 3

2 Tx- Transmit Data- 6

3 Rx+ Receive Data+ 1

4 NC Not connected 4

5 NC Not connected 5

6 Rx- Receive Data- 2

7 NC Not connected 7

8 NC Not connected 8

To daisy-chain BSDUs:

1. On the first BSDU, connect the RJ-45 connector, on one end of the crossover

cable, to one of the two 100Base-T ports (labeled 100Base-T 1 or 100Base-T 2)

located on the BSDU’s front panel (see Figure 5-5).

2. On the second BSDU, connect the RJ-45 connector, at the other end of the

crossover cable, to one of the BSDU’s 100Base-T ports (labeled 100Base-T 1 or

100Base-T 2) located on the BSDU’s front panel (see Figure 5-5).

3. If there are additional BSDUs, simply continue connecting the BSDUs using the

100Base-T ports (see Figure 5-5).

Airspan Networks AIRSPAN-BSR900 Base Station Radio (BSR) User Manual Part 2A

Airspan Networks Inc Base Station Radio (BSR) Users Manual Part 2A

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Users Manual Part 2A

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