Axell Wireless 50-1466SERIES, 50-1465SERIES User Manual
4.2 UHF Channel Selective Cell Enhancer Rack (50-146601)
4.2.1 Description
The UHF cell enhancer in this system is a six channel, duplex only, two-way radio repeater rack with
automatic gain control of both up and downlink paths. A dedicated power supply provides all the DC
needed by the whole rack, driven from the local mains supplies (identical with PSU in VHF cell
enhancer rack). Alarms are provided from each active device and all are ‘looped’ to form a normally
closed fail-safe alarm (locally for each shelf and globally for the whole enhancer). This loop alarm is
easily configured to join any other similarly wired system.
4.2.2 Electrical Specification
PARAMETER SPECIFICATION
453.7500MHz
465.0375MHz
UHF frequencies:
Gain Adjustment: 0 - 30dB (in 2dB steps)
Gain Adjustment: 0 – 15dB (in 1dB step)
Uplink Power: 5 Carriers @ +24dBm
Downlink Power: 5 Carriers @ +27dBm
AGC: Fitted in all channel selective modules
In-Band Spurious:
Noise Figure: <6dB (@ maximum gain)
VSWR: better than 1.5:1
Impedance: 50ȍ
(volt-free contacts/TTL)
471.2625MHz
479.8375MHz
481.0375MHz
485.6375MHz
458.7500MHz
460.0375MHz
470.7125MHz
474.2625MHz
476.8375MHz
484.0375MHz
Better than –13dBm (measured with
30KHz BW with max gain setting)
1 Amplifiers Alarms Fitted:
2 PSU
UHF downlink
UHF uplink
4.2.3 Mechanical Specification
PARAMETER SPECIFICATION
Height: 43U Standard Eldon Vented Rack
Rack
Shelves:
range:
RF Connectors: N type female
Environmental protection: IP44
Supply cable: Dedicated PSU shelf supply cable
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 44 of 86
Width: 19" (482.6mm)
Depth: 600mm
Height: See shelves parts lists
Width: 19" (482.6mm)
Depth:
operational: -20°C to +60°C Temperature
storage: -40°C to +70°C
Weight: >100kg
Humidity: 5 – 95% non-condensing
<450mm(excluding heatsinks, connectors,
handles and feet)
4.2.4 Parts List
AFL Part Nǀ. Part Description Qty.
50-146512 VHF/UHF SYSTEM PSU 24v 1
50-146602 UHF DOWNLINK COMBINER 1
50-146603 UHF UPLINK SPLITTER 1
50-146604 UHF DUPLEX BDA CHN1 1
50-146605 UHF DUPLEX BDA CHN2 1
50-146606 UHF DUPLEX BDA CHN3 1
50-146607 UHF DUPLEX BDA CHN4 1
50-146608 UHF DUPLEX BDA CHN5 1
50-146609 UHF UPLINK COMBINER 1
50-146610 UHF DOWNLINK SPLITTER 1
50-146612 UHF DUPLEX BDA CHN6 1
80-054020 600mm DEEP SUPPORT BRACKET 22
80-063654 1U BLANKING PANEL (BS) RAL 7035 4
90-100011 IEC MAINS LEAD '6 AMP' for USA 1
91-000002 N PLUG RG223:U 58
91-030002 N ADAPTOR PANEL FEMALE:FEMALE 4
97-500175 ELDON 43U 600 x 600 RACK (VENTED LID) 1
99-000082 PALLET 900 x 900 x 7ply FOR RACKS 1
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 45 of 86
4.2.5 Downlink Combiner Shelf (50-146602)
4.2.5.P Downlink Combiner Photographs
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 46 of 86
4.2.5.1Description
The UHF downlink combiner shelf receives signals from the outputs of the six BDA shelves and
combines them using a series of bandpass, notch filters and hybrid couplers. The two UHF outputs
then directly drive the leaky feeder antennas. This is a passive only shelf and has no need of a power
source or alarms.
4.2.5.2Technical Specification
PARAMETER SPECIFICATION
DC power consumption: None
Chassis height: 4U
IP protection: IP44
Relative humidity range: 5-95%
Impedance: 50ȍ
Alarms: None
Temperature Range:
operation: -10C to +60C
storage: -30C to +70C
Case: Alocrom 1200/Iridite NCP
Finish:
Heatsinks: None
Fascia: Painted to RAL7035
Handles: Silver anodise
4.2.5.3Parts List
AFL Part Nǀ. Part Description Qty.
02-007309 SDF C/L5P VAR.BW TOP SMA 50mm POST 3
02-013401 6P CL FLTR(0.5 min BW) LARGE SMA ASSY 2
02-020001 UHF 2 LN NOTCH FILTER SMA 3
05-000101 TRANSMITTER HYBD COUPL.4 PORT 1
05-000104 TRANS.HYBRD.COUPL.3 PORT 50W INT.L 1
19-001022K 4U CHASSIS KIT (450mm deep) 1
91-030002 N ADAPTOR PANEL FEMALE:FEMALE 9
91-130001 SMA ADAPT 'T' ALL FEMALE 3 GHz 5
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 47 of 86
4.2.5.4System Diagram, Drg. # 50-146682
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 48 of 86
4.2.6 Uplink Splitter Shelf (60-146603)
4.2.6.P Uplink Splitter Shelf Photographs
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 49 of 86
4.2.6.1Description
The UHF uplink splitter receives a single RF source (from the leaky feeder antenna(s) and directs it
through hybrid couplers, bandpass and notch filters to the inputs of the UHF uplink BDA shelves. This
is a passive only shelf and has no need of a power source or alarms.
4.2.6.2Technical Specification
PARAMETER SPECIFICATION
DC power consumption: None
Chassis height: 4U
IP protection: IP44
Relative humidity range: 5-95%
Impedance: 50ȍ
Alarms: None
Temperature Range:
operation: -10C to +60C
storage: -30C to +70C
Case: Alocrom 1200/Iridite NCP
Finish:
Heatsinks: None
Fascia: Painted to RAL7035
Handles: Silver anodise
4.6.2.3Parts List
AFL Part Nǀ. Part Description Qty.
02-007302 SDF C/L5P VAR.BW TOP SMA 40 mm POST 1
02-007309 SDF C/L5P VAR.BW TOP SMA 50mm POST 1
02-013401 6P CL FLTR (0.5 min BW) LARGE SMA ASSY 2
02-020001 UHF 2 LN NOTCH FILTER SMA 3
05-002603 UHF 3DB SPLITTER SMA 2
19-001022K 4U CHASSIS KIT (450mm deep) 1
91-030002 N ADAPTOR PANEL FEMALE:FEMALE 7
91-130001 SMA ADAPT 'T' ALL FEMALE 3 GHz 3
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 50 of 86
4.2.6.4System Diagram, Drg. # 50-146683
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 51 of 86
4.2.7 UHF Duplex Channel 1 BDA (50-146604)
4.2.7.P Duplex Shelf Photographs (hardware identical, only 1 shelf shown)
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 52 of 86
4.2.7.1Description
The BDA shelves amplify the UHF digital signals at specific frequencies, selected by the channel
control modules. They each have a gain of approximately 95dB and switched attenuators after the
input amplifier and at the output so that channels may be individually set up for the best signal levels
at the time of installation.
4.2.7.2Technical Specification
PARAMETER SPECIFICATION
453.750MHz (Ch. 1)
465.0375MHz (Ch. 2)
472.2675MHz (Ch. 3)
479.8375MHz (Ch. 4)
484.0375MHz (Ch. 5)
UHF Frequencies:
Bandwidth: 15kHz (up & downlink)
Height: 3U
Shelves
Downlink Gain(Duplexed): 95dB min
Gain Adjustment: 0 – 15dB (in 1dB step)
Uplink Power: >10Watts
Downlink Power: >10Watts
Noise Figure: <6dB (@ maximum gain)
RF Connectors: N type, female
Supply voltage: 24V DC (nominal from PSU shelf)
System power requirement: 24V DC @ <10A (fuse rating)
(volt-free contacts/TTL)
Width: 19" (482.6mm)
Depth:
AGC: Fitted in all channel selective modules
VSWR: better than 1.5:1
Impedance: 50ȍ
470.7125
458.750MHz (Ch. 1)
460.0375MHz (Ch. 2)
471.2625MHz (Ch. 3)
476.8375MHz (Ch. 4)
481.0375MHz (Ch. 5)
485.6375MHz (Ch. 6)
<450mm (excluding heatsinks, connectors,
handles and feet)
1 Amplifiers Alarms Fitted:
2 Channel modules
UHF downlink
UHF uplink
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 53 of 86
4.2.7.3Parts List
AFL Part Nǀ. Part Description Qty.
08-930003 2 PORT ISOLATOR 360-470MHz SMA 2
10-000701 1/4W0-30dB SWITCHED ATTENUATOR 2
10-000901 SW. ATTENUATOR 0.25W 0-15dB 2
11-007302K LNA. 380-500MHz 20dB (relay) KIT 2
11-007402K LNA. 380-500MHz 30dB (relay) KIT 2
12-001806 400MHz 10W CLASS AB POWER AMPLIFIER 2
12-002201 3 STAGE AMPLIFIER ALARM BOARD 2
12-002220 3 STAGE ALARM PCB COVER 2
12-002826 ALARM BOARD ACRYLIC LENS 2
13-001803 DUAL DC/DC CONVERTER 24V-12V 1A 2
13-001822 DC-DC CON 24V-5V/15V COVER 2
17-004730 ATTENUATOR MOUNTING 4
17-010809 CHAN MOD 450MHz 30kHz 8p GATED O/P 2
19-000922KL 3U chassis kit 450 deep with led 1
20-001601 12V RELAY BOARD 1
80-008901 12V RELAY PCB ASSEMBLY **NO LED** 1
80-063920 HEATSINK 2U ASS140 (5W) 2
91-030002 N ADAPTOR PANEL FEMALE:FEMALE 4
91-500001 POWER PLG 3 PIN PNL.MOUNT NC-X 1
91-510003 3 PIN R.ANGLE FREE SOC.NC-X. 1
91-600001 'D'TYPE 9 WAY PLUG S/B TERM 1
91-620001 'D' 25 WAY SOCKET S/B TERM 2
91-700017 ICD 15 WAY 0.1' CONNECTOR 3
96-100001 20 x 5mm,10A FUSE HOLDER/CARRIER 1
96-110012 T 10A A.SURGE FUSE 20mm 1
96-600002 INSULATING BOOT SMALL 1
96-600003 INSULATING BOOT D.C. 1
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 54 of 86
4.2.7.4UHF Duplex Channel 1 BDA System Diagram Drg. # 60-146684
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 55 of 86
4.2.8 UHF Duplex Channel 2 BDA (50-146605)
See section 4.2.7
4.2.8.1UHF Duplex Channel 2 BDA System Diagram, Drg. # 50-146685
Bronx Justice Centre Radio Repeaters
Handbook Number: 80-283501HBKM Page: 56 of 86
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