Airspan AS4000 User manual

605-0000-593
AS4000 / AS4020 Base Station
Installation and Commissioning
Release 7.30
© 2004 Airspan Networks Inc


iii
Table Of Contents
Installation.............................................................................................................................1
Overview AS4000...........................................................................................................1
Overview AS4020...........................................................................................................3
Preparation ....................................................................................................................4
Rack Installation ................................................................................................................7
Rack Layouts .................................................................................................................7
Rack Layouts ...............................................................................................................11
Rack Installation...........................................................................................................13
DC Power and Alarm Cabling.......................................................................................15
AS4000 AC Rack Cabling and Wiring ..............................................................................20
AC Rack E1 Cabling 75 ohm........................................................................................20
AC Rack E1 Cabling 120 ohm......................................................................................25
AC Rack T1 Cabling.....................................................................................................31
PTU to Host Cabling.....................................................................................................33
AC Rack Labeling.........................................................................................................34
Interface Connections...................................................................................................35
BNC Terminations to Coax...........................................................................................38
Type 43 Terminations to Coax......................................................................................39
Access Concentrator Card Installation..........................................................................41
AS4000 CT Shelf Cabling and Wiring...............................................................................45
Central Terminal Rack E1 Cabling 75 ohm ...................................................................45
CT Rack E1 Cabling 120 ohm ......................................................................................49
CT Rack T1 Cabling.....................................................................................................53
Baseband connections between CT and Expansion Racks...........................................56
Expansion Rack Cabling .....................................................................................................57
Central Terminal Expansion Rack Cabling .......................................................................57
75 Ohm Connections.......................................................................................................58
120 Ohm Connections .....................................................................................................58
Antenna Configurations................................................................................................60
Interface Connections...................................................................................................65
CT Rack Labelling........................................................................................................68
BNC Terminations to Coax...........................................................................................69
Type 43 Terminations to Coax......................................................................................70
Central Terminal Card Installation.................................................................................72
AS4020 CT Shelf Installation and Cabling........................................................................80
Shelf Connections........................................................................................................80
AS4020 Shelf Installation upgrade into AS4000 Rack...................................................82
Adding one AS4020 shelf to existing rack.....................................................................85
Adding two AS4020 shelves to existing rack.................................................................86
Adding three AS4020 shelves to existing rack...............................................................87
Adding four AS4020 shelves to existing rack ................................................................88
Adding two AS4020 with two AS4000...........................................................................89
AS4020 Interface Connections.....................................................................................90
Setup and Test....................................................................................................................91
System Testing ............................................................................................................91
AS4000 AC Setup and Test.............................................................................................92
Access Concentrator: Turn-Up and DC measurements.................................................92
Setting Up the Access Concentrator.............................................................................95
Access Concentrator Rack Commissioning Test Results............................................102
AS4000 CT Setup and Test ...........................................................................................107
Turn-Up and DC measurements.................................................................................107
Commissioning the Central Terminal ..........................................................................109
Measuring Central Terminal TX Power .......................................................................115
Procedure in case of card boot-up failure....................................................................120
Setting RX sensitivity using DACU 2.0-2.3GHz & 3.4-3.6GHz Band............................121
Setting RX Sensitivity without DACU ..........................................................................123
BER Test....................................................................................................................125

Printed Documentation
iv
Setting the System into Service..................................................................................127
AS4020 CT Setup and Test ...........................................................................................128
AS4020 Menu Map.....................................................................................................128
AS4020 error messages.............................................................................................130
Set Traffic/Management Ports....................................................................................131
Set NMS Menu...........................................................................................................132
Set TX Power.............................................................................................................133
Set RX sensitivity using a DACU without Calibrated Coupler ......................................137
Connecting the DACU................................................................................................141
Set RX Sensitivity without a DACU.............................................................................144
Packet System Testing...............................................................................................148
Voice Option Testing..................................................................................................155
Central Terminal Rack Commissioning Test Results...................................................156
General.............................................................................................................................163
Customer Material Repair and Return Procedures......................................................163
Repair and Return Procedure............................................................................................165
Repair Charges.................................................................................................................170
Return & Repair Tag .........................................................................................................171
Packing and Shipment.......................................................................................................173
Specifications.............................................................................................................176
Copyright Information.................................................................................................178
Contact Information....................................................................................................179
Problems with this Guide............................................................................................180
Document Purpose.....................................................................................................181
Warnings and Cautions..............................................................................................182
Issue Status...............................................................................................................184
Glossary............................................................................................................................185
Index.................................................................................................................................189

1
Installation
Overview AS4000
AS4000 System
The system uses Point-to-Multipoint digital radio links between the individual customer's
premises and the carriers local "point of presence" typically the Local Exchange premises. If
greater flexibility or range is required, the network radio equipment can be located in another
suitable building or wayside cabinet.

Printed Documentation
2

Installation
3
Overview AS4020
AS4020 System
The system uses Point-to-Multipoint digital radio links between the individual customer's
premises and the carriers local "point of presence" typically the Local Exchange premises.
If greater flexibility or range is required, the network radio equipment can be located in
another suitable building or wayside cabinet.

Printed Documentation
4
Preparation
Preparatory Tasks
Installation Tools and Equipment
The following lists of tools and equipment are required to successfully install and test the
AS4000 Access Concentrator Racks.
Required Tools
Combination Spanners: 8 mm, 13 mm, 17 mm, & 19 mm.
Spirit Level: 18 inch.
Pozidrive: No 1 x 75 mm.
No 2 x 100 mm
;No 3 x 150 mm.
Screwdriver, flat blade: 3 mm x 100 mm.
Screwdriver, flat blade: 5.5 mm x 100 mm.
Screwdriver, flat blade: 8 mm x 150 mm.
Hammer, Ball Pein: 1lb.
Drill Bits, Masonry: 11 mm, 12 mm, 13 mm.
Ratchet Crimp Tool for red, blue and yellow insulated crimps.
Crimp Tool type 6A with VQ dies for co-ax connectors and optionally Type 43
connectors
Cordless Drill/Driver.
Required Equipment
Description Recommended Model Quantity
1 Digital Multimeter Fluke 77 or similar 1
2 50 ohm Termination 15W Suhner 6515.17.A 2
3 Test Lead for Management Port Airspan proprietary item 1
4 RF Power Meter Amritsu Sitemaster 400A or
Marconi 6970 1
5 Power Sensor Amritsu 560-7N50B or
Marconi 6932
6 Sensor 30dB 5W attenuator for use
with Amiritsu Power Sensor HP8491 N-type 1
7 DA Commissioning Unit and
associated cables Airspan proprietary item 1
Site Readiness
Verify that the site is ready for the installation of the CT Racks.
This preparation will have been covered by a site survey conducted by Airspan Networks
or by a survey form completed by the customer. The survey will include a site plan of the
facility identifying the floor layout, power outlets, distribution boxes, and cabling runways.
A sketch showing the rack support arrangements showing the exact positions of the
mounting points on the rack with dimensions, and typical overhead ironwork provision
should be included.
Inspect the site, and particularly the equipment room, before unloading or unpacking the
equipment to ensure the following:

Installation
5
Air conditioning is installed and funtional (if required to maintain room environment).
Adequate grounding is provided.
Access to the equipment room will be adequate for normal handling and movement.
Adequate lighting is available for carrying out the installation.
Any non compliance with acceptable standards should be bought to the customers
attention and resolved before proceeding with the installation.
Power Availability
From the site survey, confirm the location of the fuse position for the negative battery
supply and the return point required for each rack. Also locate the fuse position for the
alarm unit power supply.
Site Earth
Confirm the position of the grounding point using the site survey.
Flooring
Ensure that flooring is substantial enough to support the rack and can provide a secure
fixing.
Cable Trays
Verify that cable trays are installed to provide routing to the proper destinations and are of
adequate strength
Delivery Inspection
Upon taking delivery of the equipment consignment, check that the consignment agrees in
all particulars with the consignment delivery documentation (number of boxes,
descriptions, and the contents of boxes, etc.). Any discrepancy or damage must be
reported immediately to ACC for further instructions. In case of severe damage, do not
accept the consignment from the carrier. See Material Return and Repair document for
further details. The equipment isnormally shipped as shown below.
If subsequent to the initial shipment incremental upgrades are made to the system the
equipment will be delivered in packaging of size and type suitable for that shipment.
Unpacking Inspection
The contents of each box must be checked against the relevant part lists provided with the
box, for the correct part numbers and quantities, and for damage. Any shortage or
damaged items must be reported immediately to Airspan Networks International Call
Centre for further instructions at the address given in the Contact Information section of
this manual or:
TELEPHONE: +44 (0) 1895 467 467
FAX: +44 (0) 1895 467472
Email: support@airspan.com
Dispose of all unnecessary packaging in a safe manner according to the
customer’s requirements.
During UK working hours, the Airspan Shipping Department can be contacted at:
Tel:+44 1895 467 444 or +44 1895 467 444
Fax:+44 1895 467 438

Printed Documentation
6
Note: It is recommended that one package carton of each type is retained should it be
required to return any faulty or damaged items for repair.

Installation
7
Rack Installation
Rack Layouts
AS4000 Racks
AS4000 Central Terminal and Access Concentrator Racks are produced with the following
layouts:
Access Concentrator
One DA Access Concentrator Shelf and a Fuse and Alarm Panel
Two Access Concentrator Shelves and a Fuse and Alarm Panel

Printed Documentation
8
Central Terminal Demand Assignment System
One DA Modem Shelf with RF Combiner Shelf
Two DA Modem Shelves with RF Combiner Shelf
Expansion Rack with one DA Modem Shelf and a Fuse and Alarm Panel. (Connects to
an existing Central Terminal Rack)
Expansion Rack with two DA Modem Shelves and a Fuse and Alarm Panel. (Connects to
an existing Central Terminal Rack)

Installation
9
No of Modem
Shelves Central
Terminal Rack Expansion Rack
1 1 Modem Shelf Not required
2 2 Modem
Shelves Not required
3 2 Modem
Shelves 1 Modem Shelf
4 2 Modem
Shelves 2 Modem Shelves
Integrated Basestation
The Integrated Basestation incorporates a Combiner Shelf , Modem Shelf and Access
Concentrator in a full height equipment rack.

Printed Documentation
10

Installation
11
Rack Layouts
AS4020 Racks
AS4020 Central Terminal racks are produced with the following layouts:
Central Terminal Systems using AS4020
Full height rack with RF Combiner Shelf. two AS4000 Modem Shelves and one
AS4020 Modem Shelf
Full height rack with RF Combiner Shelf, one AS4000 Modem Shelves and up to
three AS4020 Modem Shelves
Compact rack with RF Combiner Shelf. One AS4000 Modem Shelf and one AS4020
Modem Shelf
Full height rack with RF Combiner Shelf, up to four AS4020 Modem Shelves
Full height rack with RF Combiner Shelf. two AS4000 Modem Shelves and two
AS4020 Modem Shelves
Full height rack with RF Combiner Shelf. two AS4000 Modem Shelves and two AS4020
Modem Shelves

Printed Documentation
12

Installation
13
Rack Installation
Positioning and Securing Racks
Installing Rack in a Suite
From the site survey, confirm the position of the CT Rack(s). If the racks are to be
positioned in a suite, metalwork will be required to secure it to the overhead structure.
Either a proprietary system or fabricated steelwork will be required -see site survey.
Manoeuvre the racks into position.
Securing Rack Base
Using the base of the rack as a template, mark the floor locating positions through the
cutouts in the Rack Frame. Using a 13mm diameter drill bit, drill four holes to a depth of
approximately 25mm. Position the rack over the four holes and screw the four (supplied)
M12 screws through washers to secure the rack base. If the rack is cabled from under the
floor the access holes are required through the floor beneath the rack base.
Securing Rack Base
Warning: These screws are provided as locating pins only and must be used in
conjunction with the overhead steelwork and not as the only method for securing the rack.
Temporarily secure the rack to adjacent racks or steelwork until the overhead support is in
place.
Securing the rack using overhead Ironwork
Assemble the overhead steelwork as required and secure the rack to the overhead
structure using suitable fixings in compliance with local requirements. Remove all burrs
and sharp edges.

Printed Documentation
14
Typical Overhead Ironwork Support
Note: In installations where threaded droprods in excess of 500mm are employed it may
be necessary to provide additional support bars to ensure rigidity of the support structure.
Securing a Rack to a Wall
If the rack is to be positioned against a wall, attach two right-angled wall brackets to the
top of the rack and finger tighten with the provided M12 screws.
Manoeuvre the racks into position against the wall. Join the racks together with 12mm
nuts and bolts placed through the holes at the top and bottom of the side panels and mark
the wall through the holes in the top brackets.
Securing Rack to a Wall
Using an 11mm. drill bit, drill holes in the wall to a depth of 75mm and fit masonry plugs.
Fix the hex head screws through the brackets and finger tighten. Check that the rack is in
the correct position and tighten all fixings.
Attention should be paid to the fabric of the wall. Where possible, drill directly into the
brick and not into mortar. With panelled or partitioned walls, instruction should be taken
locally as to how the rack is to be secured. See site survey.
Follow the procedure for the rack base as described above.

Installation
15
DC Power and Alarm Cabling
Rack Earthing
Using the site survey, locate the building central [safety] grounding point. Run an earth cable
rated at 30A to each rack and connect it to the centre earth stud located at the top or at the
side of the rack. (only one external earth per rack) See illustrations below. These points are
labelled with the IEC Earth symbol.
Rack earthing at top
Rack earthing at base
Other external safety earth connections must not be made to the rack.

Printed Documentation
16
Terminate the battery feed and return cables at the isolator/fuse positions, and ensure that
the AC rack is isolated until the commencement of commissioning tests.
DC Power
The cables for the negative DC battery feeds, the 0V returns and the Rack Ground are
detailed in. Should local requirements specify otherwise, it is acceptable for cables of other
colours to be used, however, under no circumstances should the cable sizes be less than that
specified in. The length of the cable supplied will be detailed in the site survey. Separate DC
sources are desirable for maximum protection.
Function Colour Min. Cable Size
Negative Battery Feed -36V
to -60V DC Blue 10 AWG; 6.0mm2
Zero Volt Positive Battery
Return Black 10 AWG; 6.0mm2
Rack Ground Green/Yellow 8AWG; 10.0mm2
DC Power Cables.
This equipment requires a negative Supply. Ensure that the +vevolt line is connected
to ground or that the supply is floating. The –ve battery feed should not be connected to
ground or zero volts under any circumstances.
The maximum DC input should not exceed 60 Volts. Voltages in excess of this are
considered hazardous.
Note 1: Do not insert fuses until instructed to do so in the commissioning stage of installation.
Note 2: If the equipment is installed according to EN 60950 §1.7.9, there should be available
a single disconnect device that isolates the whole equipment., A double-pole external
isolating switch should be provided to isolate the two supplies and should be wall mounted in
the locale of the rack. A label should be included on the unit to direct the user to use the
external isolator for isolation.
The Access Concentrator and Central Terminal Shelves are designed to operate from a -48V
DC supply. In installations where the nominal supply voltage is +24V DC a DC to DC
converter is needed to provide the -48V supply see the schematic diagram below. The DC to
DC converter must be rated at 20 amps or greater at -48V DC
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