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Table of Contents

Specifications

Specifications

Introduction

This appendix provides information concerning the point-to-point broadband fixed wireless system and its Cisco-supported components.

System Specifications

Table B-1 lists specifications for the broadband fixed wireless system.


Table B-1: System Specifications
Description Specification

Operating environment

Line-of-sight or near line-of-sight

Data rate (full duplex)

Up to 44.4 Mbps on 12-MHz channels

Power supply requirements

-48 VDC @ 3A

Transmit power level

+5 to +25 dBm

Channel bandwidth

6 or 12 MHz (selectable)

Frequency band

5.725 to 5.825 GHz

Transmit distance:
Line of sight
Near line-of-sight


Up to 15 miles
3 to 5 miles (depending on conditions)

Modulation type

64 QAM on VOFDM

Antenna diversity

Available as an option

Line card to transverter connection:
Frequency reference:
Frequency
Power
Cabling:
Cable loss

DC resistance



24 MHz
-12 dBm minimum, -5 dBm maximum

17 dB maximum at 420 MHz
15 dB maximum at 324 MHz
1.6 ohms maximum

Temperature, inside equipment (operating)

-32 to 104ºF (0 to 40ºC)

Temperature, inside equipment (storage)

-4 to 149ºF (20 to 65ºC)

Temperature, outside equipment (operating)

-40 to 122ºF (-40 to 55ºC)

Temperature, outside equipment (storage))

-40 to 185ºF (-40 to 85ºC)

Humidity, inside equipment

5 to 95% noncondensing

Humidity, outside equipment

Up to 100%

Altitude (maximum)

13,000 ft. (4500 m)

Receiver Sensitivity

Table B-2 lists specifications for minimum receiver sensitivity.


Table B-2: Minimum Receiver Sensitivity (AWGN (flat) RF Channel)
Number of
Antennas
Throughput
Setting
Bandwidth
(MHz)
Network
Throughput
(Mbps)
Delay Spread
Tolerance
(µs)
Minimum
Sensitivity
(dBm)

1

High

6

22.1

1.5

-79

2

-82

1

Medium

6

19.1

6.8

-79

2

-82

1

Low

6

10.9

6.8

-84

2

-87

1

High

12

44.4

2.4

-76

2

-79

1

Medium

12

38.7

7.8

-76

2

-79

1

Low

12

22.1

7.8

-81

2

-84

Signal-to-Noise Ratio

Table B-3 lists the required signal-to-noise ratio (SNR) at a bit error rate (BER) of 10-10 for the wireless modem card.


Table B-3: Required Signal-to-Noise Ratio @ BER 10-10
Number of Antennas
Throughput Setting
Bandwidth (MHz)
Network Throughput (Mbps) AWGN (dB)
Rayleigh (dB)

1

High

6

22.1

22

34

2

19

24

1

Medium

6

19.1

22

34

2

19

24

1

Low

6

10.9

17

21

2

14

16

1

High

12

44.4

22

34

2

19

24

1

Medium

12

38.7

22

34

2

19

24

1

Low

12

22.1

17

21

2

14

16

Router Specifications

Table B-4 lists physical specifications and power requirements for the Cisco uBR7223, Cisco uBR7246, and Cisco uBR7246 VXR universal broadband routers. For additional information, refer to the Cisco uBR7200 Series Universal Broadband Router Hardware Installation Guide.


Table B-4: Router Specifications
Description Specification

Midplane

Two primary PCI buses and one secondary PCI bus with an aggregate bandwidth of 600 Mbps

Dimensions (H x W x D):
     uBR7223

     uBR7246, uBR7246 VXR


6.70 x 17.38 x 21.25 in. (17.02 x 44.15 x 53.98 cm)

10.5 x 17.00 x 21.25 in. (26.67 x 43.18 x 53.98 cm)

Weight:
     uBR7223

     uBR7246, uBR7246 VXR


Chassis fully configured with a network processing engine, I/O controller, one port adapter, two wireless modem cards, one power supply, and a fan tray: ~ 75 lb (34.0 kg)

Chassis fully configured with a network processing engine, I/O controller, two port adapters, four wireless modem cards, two power supplies, and a fan tray: ~ 100 lb (45.4 kg)

Heat dissipation:
     uBR7223

     uBR7246, uBR7246 VXR


700W (2388 Btu), 300W typical

800W (2730 Btu)

AC-input power:
     uBR7223

     uBR7246, uBR7246 VXR


700W maximum, 300W typical

800W maximum (with either a single or dual power supply configuration)

AC-input voltage

100 to 240 VAC wide input with power factor correction

AC-input current rating:
     uBR7223

     uBR7246, uBR7246 VXR


7A with the chassis fully configured

7A maximum at 110 VAC and 3.5A maximum at 240 VAC with the chassis fully configured.

AC-input cable

18 AWG (0.82 mm2) three-wire cable, with a three-lead IEC-320 receptacle on the power supply end and a country-dependent plug on the power source end

DC-input voltage rating

-48 VDC nominal in North America

-60 VDC nominal in the European Community

DC-input current rating:
     uBR7223

     uBR7246, uBR7246 VXR


14A maximum (7.7A typical draw at -48 VDC, 6.2A typical draw at -60 VDC)

Not to exceed 13A maximum at -48 VDC (370W/-48 VDC = 7.7A typical draw)
Not to exceed 8A maximum at -60 VDC (370W/-60 VDC = 6.2A typical draw)

DC-input cable

12 AWG (3.91 mm2) recommended minimum, with at least three conductors rated for at least 140ºF (60ºC)

DC-output power:
     uBR7223

     uBR7246, uBR7246 VXR


550W maximum (with a single power supply configuration; dual power not supported)

550W maximum (with either a single or dual power supply configuration)

DC voltages supplied

+3.5V, +5.2V, +12.2V, -12.2V, +16V, -16V

Frequency

50/60 Hz

Airflow:
     uBR7223

     uBR7246, uBR7246 VXR


~80 cfm

~120 cfm

Temperature

32º to 104ºF (0º to 40ºC) operating;
-4º to 149ºF (-20º to 65ºC) storage

Humidity

10 to 90% noncondensing

Wireless Modem Card Specifications

Table B-5 lists specifications for the wireless modem card. For additional information regarding the wireless modem card, refer to the Cisco uBR7200 Series Universal Broadband Router Wireless Modem Card and Subsystem Installation and Configuration document.


Table B-5:
Wireless Modem Card Specifications
Description Specifications

Dimensions (H x W x D)

1.35 x 13.5 x 10.56 in. (3.43 x 34.29 x 26.82 cm)

Power dissipation

Voltage

45W

Supplied through uBR router chassis

Transmitter
Output frequency
Output bandwidth
Output power


324 MHz
6 or 12 MHz (selectable)
-3 dBm maximum

Receiver
Input frequency
Input bandwidth
Operating input power
Modem noise figure
IF frequency reference


420 MHz
6 or 12 MHz (selectable)
-20 dBm maximum
12.5 dB typical @minimum AGC setting
24 MHz ±5.5 ppm

Data control link:
Transceiver data
Data rate
Signaling


RS-485 (differential: full duplex)
1.5 Mbps
Manchester, UART protocol

Connectors:
     IF to main transverter
     IF to diversity transverter
     Control cable to main transverter
     Control cable to diversity transverter
     10-MHz external reference clock


SMA (female)
SMA (female)
RJ-45
RJ-45
SMA (female)

Router mainframe

uBR7223, uBR7246, or uBR7246 VXR

Modulation

64 QAM on VOFDM

Data rate (full duplex)

Up to 44.4 Mbps in a 12-MHz channel
Up to 22.1 Mbps in a 6-MHz channel

Temperature

32 to 104ºF (0 to 40ºC) operating
-40 to 185ºF (-40 to 85ºC) storage

Humidity

10 to 90% noncondensing

Altitude (maximum)

15000 ft. (4572 m)

Impedance

50 ohms (nominal)

Power Feed Panel Specifications

Table B-6 lists specifications for the power feed panel. For additional information regarding the power feed panel, refer to the Cisco uBR7200 Series Universal Broadband Router Wireless Modem Card and Subsystem Installation and Configuration document.


Table B-6: Power Feed Panel Specifications
Description Specification

Dimensions (H x W x D)

1.8 x 17.5 x 11.3 in. (4.4 x 44.5 x 28.6 cm)

Weight

7.5 lb (3.4 kg)

DC-input voltage rating

-48V nominal, 15A, 720 VA (-40.5 to -57.0 VDC)

RF loss

0.75 dB @ 400 MHz

DC Resistance

0.25 ohms typical

Power dissipation

6W

Temperature

32 to 122ºF (0 to 50ºC) operating
-4 to 149ºF (-20 to 65ºC) storage

Humidity

10 to 85% noncondensing

Connectors:
IF/RF:
        Diversity antenna port to transverter
        Diversity antenna port to modem card
        Main antenna port to modem card
        Main antenna port to transverter
Control:
        Main antenna port to transverter
        Main antenna port to modem card
        Diversity antenna port to modem card
        Diversity antenna port to transverter



N-type (female)
SMA (female)
SMA (female)
N-type (female)

DB-9 (female)
RJ-45 (female))
RJ-45 (female)
DB-9 (female)


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Posted: Thu Jul 18 17:30:55 PDT 2002
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