Airspan Networks AIRSPAN-25G Hybrid System Transceiver User Manual Hardware Installation Guide

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Document ID	425025
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Document Type	User Manual
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Date Submitted	2004-05-24 00:00:00
Date Available	2004-05-24 00:00:00
Creation Date	2004-05-16 14:38:35
Producing Software	Acrobat Distiller 5.0 (Windows)
Document Lastmod	2004-05-17 10:14:03
Document Title	Hardware Installation Guide
Document Creator	Acrobat PDFMaker 5.0 for Word
Document Author:	Interdoc

10
Installing the SPR
This chapter describes the installation of the WipLL Subscriber Premises Radio
(SPR), located at the subscriber's premises.
Warning: Cables with exposed ends (i.e., not yet crimped) should be covered
with protective polythene bags during external cable installation processes.
Warning: As the system emits microwave radiation, a minimum distance of
200 mm must be maintained from the front of the SPR. However, for the 700
MHz band (i.e. WipLL 700), when external antennas are used, a minimum
distance of 800 mm must be maintained from the front of the device.
Warning: To avoid electrical or fire hazard, connect the SPR to the power
supply only after mounting the SPR and connecting data cables.
Note: Usually, the SPR is initialized (i.e., configured with an IP address) at
Airspan's factory. However, if the SPR has not been configured, see Section
10.5, “Connecting to a PC for Serial Configuration”, before mounting the SPR.
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Hardware Installation Guide
Note: The digital portion of the transceiver has been tested and found to
comply with the limits for a Class B digital device, pursuant to part 15 of the
FCC rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment on and off, the user is encouraged to try correct the
interference by performing one or more of the following measures:
- Reorientate or relocate the receiving antenna
- Increase separation between the equipment and receiver
- Connect the equipment to an outlet on a circuit different from that to which
the receiver is connected
- Consult the dealer or an experienced radio/TV technician for help
Note: A minimum separation of 200 mm should exist between power and data
cables.
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Installing the SPR
10.1. Physical Dimensions and Basic Design
The SPR is encased in a chassis and provides access to the SPR’s communication
port (15-pin D-type) at the front panel (see figure below). The SPR’s bottom panel
provides holes for mounting the SPR to, for example, a pole or wall.
15-pin D-type port
Figure 10-1: SPR (with built-in antennal)
The SPR’s physical dimensions are described in the following table.
Table 10-1: SPR physical dimensions
SPR model
Parameter
Standard Gain
Antenna
High Gain Antenna
Height
311 mm (12.24 inches)
400 mm (15.74 inches)
Width
224 mm (8.82 inches)
317 mm (12.48 inches)
Depth
65.5 mm (2.58 inches)
65.5 mm (2.58 inches)
Weight
2.5 kg
4.7 kg
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Comment
The SPR’s physical
dimensions exclude the
mounting kit.
SPR models with an N-type
receptacle for attaching a
third-party external antenna
are also available.
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Hardware Installation Guide
10.2. Mounting the SPR
The SPR can be mounted on a wall or pole. The SPR is mounted using the mounting
holes located on the SPR’s bottom panel (see Figure 10-2), and the mounting
bracket (provided). The mounting brackets for wall- and pole mounting are different
from one another.
Mounting holes
Figure 10-2: SPR bottom panel providing holes for mounting
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10.2.1. Minimum Distance between SPRs
A minimum of 3-meter separation is required between mounted SPRs and existing
customer radio equipment when not transmitting on the same sector (see Figure
10-3).
3.0 metres
Figure 10-3: SPR separation when not transmitting on the same sector
A 1-meter separation is required between SPRs when on the same sector and
transmitting to the same BSR without requiring shielding (see Figure 10-4).
1.0 metre
Figure 10-4: SPR separation when transmitting on the same sector to the same BSR
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10.2.2. Wall-Mounting
SPR wall mounting is performed in two stages:
Attaching the mounting bracket to the SPR’s mounting holes.
Attaching the mounting bracket (attached to the SPR) to the wall.
To mount the SPR on a wall:
1. Position the mounting bracket on the mounting surface (e.g., wall), and then use
a pencil to mark the position of the four mounting holes.
2. Drill holes for each hole that you marked in the step above.
3. Insert wall anchors into each of the drilled holes.
4. Align the mounting bracket’s four holes with the wall anchors, and then insert a
screw through the mounting bracket holes into each wall anchor, and tighten.
The figure below displays relevant dimensions of the mounting bracket. Note the
two different sized fixing holes.
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Figure 10-5: Attaching mounting bracket to wall
Below is a diagram illustrating the fixing dimensions of the mounting bracket.
Ensure that the distance between the hole centers are 120 mm and 60 mm.
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Figure 10-6: SPR mounting bracket dimensions for the four fixing holes
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5. Attach the SPR to the mounting bracket using the two stainless steel bolts
(supplied), washers, and nuts as shown in the figure below.
Figure 10-7: Attaching SPR to mounting bracket
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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 SPR and load that may be induced in windy
conditions.
6. Adjust the horizontal positioning of the SPR, and then tighten the two stainlesssteel bolts.
Rotation is restricted to the horizontal plane only. The permissible rotation is
shown in Figure 10-8.
Figure 10-8: Horizontal rotation of the SPR
Note: A thread-locking compound is to be used to prevent the bolts working
loose.
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10.2.3. Pole-Mounting
The SPR can be mounted on a pole (see Figure 10-9). Pole mounting allows the SPR
to be adjusted in the horizontal as well as the vertical plane. The pole-mounting
bracket assembly is designed to support the SPR on a round pole of 45 mm in
diameter.
Figure 10-9: Mounted SPR
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Installing the SPR
Hardware Installation Guide
To mount the SPR on a pole:
1. Attach the mounting bracket to the SPR using two stainless steel bolts.
Locking Holes
BSR mounting
Bracket
Clamping Bracket
Pivot Hole
‘U’ Bolt
Figure 10-10: SPR 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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Installing the SPR
4. Adjust the vertical position of the SPR. Lock the SPR 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 SPR bracket in place.
5. Adjust the horizontal position of the SPR by rotating the SPR about the pole, and
then tighten the U-bolt.
SPR positioning is obtained in two planes by adjustment of the mounting bracket
assembly a shown in Figure 10-11.
Rotation about the
mounting bracket
Rotation about the
mounting pole
Figure 10-11: SPR GPS orientation in vertical (top) and horizontal plane (lower)
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.
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Hardware Installation Guide
10.2.4. Aligning Using the RSS LED Adapter
You can align the SPR (or third-party antenna) using Airspan's RSS LED Adapter
once the SPR has established a wireless link with the BSR.
The RSS LED Adapter indicates the received signal strength (RSS) between the
SPR and the BSR. This allows you to accurately position the SPR during installation
for optimal radio frequency signal reception.
The RSS LED adapter connects between the SPR and SDA by a CAT 5 cable. The
RSS LED adapter provides two 15-pin D-type ports: one for the SPR side, and the
other for the SDA side.
The following table lists the RSS LED Plug adapter dimensions:
Table 10-2: RSS LED adapter dimensions
Parameter
Dimensions
Height
123 mm (4.84 inches)
Width
68 mm (2.68 inches)
Depth
30 mm (1.18 inches)
Weight
85g
The RSS LED adapter can be connected in one of the following manners:
One end connects directly to the SPR’s 15-pin D-type port, while the other end
connects to the SDA through a CAT 5 cable.
Both ends (i.e., 15-pin D-type ports) connect to the SPR and SDA through a
CAT 5 cable.
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15-pin D-type male
connects to SPR side
RSSI LED 8
RSSI LED 1
POWER LED
15-pin D-type female
connects to SDA side
Figure 10-12: RSS LED adapter
The following describes the RSS LED adapter's cable setup:
Cables: two straight-through cables for SPR-to-RSS LED adapter, and for SDAto-RSS LED adapter.
Connectors:
SPR side: 15-pin D-type male (only 9-pins used)
RSS LED adapter:
−
SPR side: 15-pin D-type female
−
SDA side: 15-pin D-type male
SDA side: 15-pin D-type male
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Hardware Installation Guide
To connect the RSSI LED adapter (see Figure 10-13):
1. Connect the 15-pin D-type male connector, at one end of the straight-through
cable, to the SPR.
2. Connect the 15-pin D-type female connector, at the other end of the straightthrough cable from the SPR, to the RSS LED adapter.
3. Connect the 15-pin D-type male connector, at one end of the straight-through
cable, to the SDA.
4. Connect the 15-pin D-type male connector, at the other end of the straightthrough cable from the SDA, to the RSS LED adapter.
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Figure 10-13: Connecting the RSS LED Plug adapter
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Hardware Installation Guide
Note: You can connect the RSS LED adapter’s 15-pin male port directly to the
SPR’s 15-pin female port, instead of using a cable.
Table 10-3 describes the LEDs on the RSS LED adapter.
Table 10-3: LED description of the RSS LED adapter
LED
Color
Power
Red
RSS LEDs
(LEDs 1 to 8)
Green
Function
Power
Received
Signal
Strength
level
Status
Description
On
The SPR receives power from
the SDA
Off
No power is supplied to the
SPR by the SDA
Blinking
Data transmission is occurring
on the Ethernet LAN
LED 1 blinking
RSS ≤ -94 dBm
LED 1 is on
-93 dBm ≤ RSS ≤ -90 dBm
LEDs 1 and 2 are
on
-89 dBm ≤ RSS ≤ -86 dBm
LEDs 1, 2, and 3
are on
-85 dBm ≤ RSS ≤ -82 dBm
LEDs 1, 2, 3, and 4
are on
-81 dBm ≤ RSS ≤ -78 dBm
LEDs 1, 2, 3, 4,
and 5 are on
-77 dBm ≤ RSS ≤ -74 dBm
LEDs1, 2, 3, 4, 5,
and 6 are on
-73 dBm ≤ RSS ≤ -70 dBm
LEDs 1, 2, 3, 4, 5,
6 and 7 are on
-69 dBm ≤ RSS ≤ -66 dBm
All LEDs are on
RSS ≥ -65 dBm
Note: A smaller number indicates a stronger signal because the RSS level is
given as a negative value.
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10.3. Connecting External Third-Party Antenna
(Optional)
The SPR 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 SPR internal antenna models (i.e., 60°).
Cable: RF coaxial
Connector: N-type male
Warning: Before connecting the external antenna, ensure that the SPR is
NOT connected to the power source.
Warning: Before powering on the SPR, ensure that some type of equipment
such as an antenna or an RF attenuator is connected to the N-type receptacle.
This eliminates the risk of burning the SPR device.
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 (or
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.
Warning: In accordance with FCC regulations, ensure that for external
antennas, the maximum EIRP is 36 dBm. The EIRP is defined as:
Max. Power Output + Antenna Gain + Cable Loss ≤ 36 dBm (EIRP)
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Hardware Installation Guide
To connect the SPR to an external antenna:
Attach an N-type male connector of the third-party antenna to the N-type
receptacle located on the SPR’s front panel.
Figure 10-14: SPR model with N-type connector for attaching an external antenna
Note: Airspan supplies unterminated cables for N-type connectors. Refer to
Appendix B, “Cable Crimping" for N-type cable crimping.
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10.4. Connecting to the SDA
The SPR’s power supply and connectivity to the subscriber’s Ethernet network is
provided by the SDA. To connect the SPR to the SDA, you need to connect the
SPR’s 15-pin D-type port to the SDA’s 15-pin D-type port using a CAT-5 cable.
The SPR-to-SDA cable setup is as follows:
Cable: straight-through 10Base-T Ethernet UTP 4 Pair CAT-5e 24 AWG
outdoor type (100 meters)
Connectors:
SPR side: 15-pin D-type male (only 8 pins are used)
SDA side: 15-pin D-type male (only 8 pins are used)
Note: Airspan supplies unterminated CAT-5e cables. For a detailed
description on crimping cables, see Appendix B, “Cable Crimping".
Connector pinouts:
Table 10-4: SPR-to-SDA CAT 5 cable connector pinouts
Straight-through CAT-5 UTP PVC 4 Pair 24 AWG cables
15-pin
D-type
male
SPR
Wire
pair
SDA
Pin
Function
+48 VDC
Blue / White
-48 VDC
Blue
Tx+
Orange /
White
Tx-
Orange
Rx+
Green /
White
Rx-
Green
Sync.+
Brown /
White
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Wire color
Pin
Function
+48 VDC
-48 VDC
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15-pin
D-type
male
Rx+
RxTx+
TxSync.+
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Hardware Installation Guide
Sync.-
Brown
Sync.-
Notes:
1) Pins 9 through 15 of the 15-pin D-type connector are not used.
2) 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 10-4 (e.g., Rx+ with Rx-).
WipLL uses the following wire color-coding standard for CAT 5 cables (8 wires
used) connecting the outdoor radio units to the indoor Ethernet hubs or switches:
Figure 10-15: WipLL wire color-coding for 15-pin D-type connectors
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Warning: To avoid electrical shock, before connecting the SPR to the SDA,
ensure that the SDA is not connected to the power supply.
Notes:
1) 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).
2) The SDA connector pinouts are the same for all SDA models (SDA-1, SDA4H, SDA-4S, SDA-4S/VL, SDA-4S/Vltag, SDA-4S/1H3L, and SDA4S/VL/1H3L).
To connect the SPR to the SDA (see Figure 10-16):
1. Connect the 15-pin D-type connector, at one end of the CAT 5 cable, to the
SPR’s 15-pin D-type port labeled DATA POWER SYNC.
2. Connect the 15-pin D-type connector, at the other end of the CAT 5 cable, to the
SDA’s 15-pin D-type port.
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Figure 10-16: SPR-to-SDA cable connections
Note: The maximum cable length permissible between the SPR and SDA is
100 meters.
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Installing the SPR
10.5. Connecting to a PC for Serial
Configuration
To configure an SPR, you need to connect a PC running the WipLL WipConfig
configuration tool to the SPR. The SPR’s 15-pin D-type port also provides serial
interface to a PC for SPR initial configuration. This port uses 9 of its 15 pins for
serial interface; the remaining pins are used for interfacing with the SDA with which
the SPR remains connected. To connect the SPR to the management station (i.e.,
PC) and the SDA, a Y-cable (splitter) is used.
Note: SPR configuration is performed while the SPR is connected to the SDA.
The SPR-to-PC and SDA cable connections for SPR serial configuration are as
follows:
Connectors:
SPR side: 15-pin D-type male (only 9-pins used)
PC side: 9-pin D-type (RS-232)
SDA side: 15-pin D-type male
Cable: straight-through Y-cable
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Figure 10-17: Y-cable for serial connection
Connector pinouts:
Table 10-5: Y-cable SPR-to-SDA connector pinouts
SPR
15-pin D-type
male
10-26
Pin
SDA
Function
Pin
Function
0 VDC
+48 VDC
+48 VDC
-48 VDC
Ethernet Tx+
Rx+
Ethernet Tx-
Rx-
Ethernet Rx+
Tx+
Ethernet Rx-
Tx-
Hop Sync+
Sync.+
Hop Sync-
Sync.-
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15-pin D-type
male
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Table 10-6: Y-cable SPR-to-PC connector pinouts
SPR
15-pin D-type
male
Pin
PC
Function
Pin
Function
12
GND
GND
14
RS232 Rx
Rx
15
RS232 Tx
Tx
9-pin D-type
female
The Y-cable connector pin assignments are displayed schematically in Figure 10-18.
Figure 10-18: Y-cable connector pin assignment
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Hardware Installation Guide
To connect the SPR to a PC for serial configuration (see Figure 10-19):
1. Connect the 15-pin D-type male connector, at the one end of the Y-cable, to the
SPR.
2. Connect the 15-pin D-type male connector, at the other end of the Y-cable, to
the SDA.
3. Connect the 9-pin D-type female (RS232) connector, at the other end of the Ycable, to the PC’s serial port.
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Figure 10-19: SPR cable connections for serial configuration
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Hardware Installation Guide
Note: For performing SPR initial configuration using WipLL’s management
applications, refer to Airspan’s WipConfig User’s Guide or WipConfig PDA
User’s Guide.
10.6. Connecting Power
The SPR receives power through its 15-pin D-type port from the SDA. In turn, the
SDA connects to an external AC-DC power adapter from where it receives power.
The SDA provides 48 VDC nominal power to the SPR (minimum of 30 VDC:
maximum of 55 VDC).
Warning: If you are using an external antenna, ensure that you connect the
antenna before connecting the SPR to the power source.
Note: For a description on connecting power to the SPR and SDA, see
Chapter 9, “Installing the SDA”.
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