G-Wave RHBDA-454.7 Installation And Operating Manual Download Page 1 | Manualshive

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INSTALLATION

AND

OPERATING MANUAL

RHBDA-454.7/467.5-0.1/8W-55-A

RACK MOUNTABLE BI-DIRECTIONAL AMPLIFIER

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Summary of Contents for RHBDA-454.7

Page 1: ...INSTALLATION AND OPERATING MANUAL RHBDA 454 7 467 5 0 1 8W 55 A RACK MOUNTABLE BI DIRECTIONAL AMPLIFIER ...

Page 2: ...GRAM DRAWING Figure 1 4 ELECTRICAL SPECIFICATIONS 5 MECHANICAL SPECIFICATIONS 6 ENVIRONMENTAL CONDITIONS 6 RF EXPOSURE WARNING 6 RHBDA CONNECTIONS 7 MECHANICAL OUTLINE DRAWING Figure 2 2a 8 RHBDA INSTALLATION 9 RHBDA OPERATION 10 FRONT PANEL Figure 3 11 BACK PANEL Figure 4 11 DIAGNOSTICS GUIDE 12 Page 2 ...

Page 3: ...translates it to an Optical signal The signal travels over a fiber optic medium to the Head end Fiber Optic Unit The Head end Fiber Optic Unit receives the signal translates it to back to a RF signal then transmits the signal to the base station The Uplink and Downlink occupy two distinct frequency bands For example the frequency bands are as follows 451 7 452 7 460 5 464 6 MHz for the Uplink and ...

Page 4: ... and high selectivity for two distinct Downlink frequency bands 5 Uplink Downlink Combiner is Diplexed configured and has low bandpass insertion loss and high selectivity for the Uplink and Downlink frequency bands 6 Input Uplink Diplexer has low bandpass insertion loss and high selectivity for two distinct Uplink frequency bands 7 Uplink Pre amp s are low noise amplifiers that drive the Uplink LP...

Page 5: ...between Up Down Link 100 dB Min Input Output Impedance 50 Ohms SFDR 100 dB Hz2 3 VSWR Input Output 1 5 1 Max Power Supply 110VAC 1 6Amps 220VAC 0 8 Amps 50 to 60 Hz The Manufacturer s rated output power of this equipment is for single carrier operation For situations when multiple carrier signals are present the rating would have to be reduced by 3 5 dB especially where the output signal is re rad...

Page 6: ... outdoor antenna Yagi type or similar directional antenna must be installed so as to provide a minimum separation distance of 0 6 meters 60 cm between the antenna and persons within the area This assumes a typical antenna with gain of 10 1 dBi VSWR 1 5 1 Zo 50 ohms and a cable attenuation of between 1 10 dB The indoor antenna omni directional must be installed so as to provide a minimum separation...

Page 7: ...rom a Fiber Optic Head end Unit The RF connections must be made through cables with characteristic impedance of 50 ohms The Fiber Optic connections must be made through Singlemode cables with SC APC connectors The OPTIONAL 9 pin D Sub connector provides failure alarm output contacts see diagram next page as well as an optional 12 VDC 250mA auxiliary output For S1 Option The RHBDA is equipped with ...

Page 8: ...Adjustment UPLINK 451 7 452 7 MHz 0 30 dB Gain Adjustment DOWNLINK 456 7 457 7 MHz Dual Band Bi Directional Amplifier UHF Figure 2a Relay Shown in Alarm Condition The alarm monitors current of both uplink Conditions for Optional Alarm and downlink amplifiers An alarm condition will occur if either uplink or downlink amplifiers are over or under its current tolerance Page 8 ...

Page 9: ...eled MOBILE and connect the cable going to the Base RF Signal Source to the RHBDA connector labeled UL OUT and the cable coming from the Base RF Signal Source to the RHBDA connector labeled DL IN 4 Verify that all attenuation settings are positioned at 30 dB 5 Connect the AC power cord to the Rack Unit Turn the power switch to the ON position Verify that each Green Power ON lamp Laser alarms LED s...

Page 10: ...its it to the factory preset level of 5 dBm for the Uplink not to overload a Fiber Transceiver and 31 dBm for the Downlink Four red indicator lamps are located on the Front panel which illuminate when the output power exceeds the ALC set point To establish proper operating gain on the Remote Units start with the Downlink Observe the red indicator lamp on the front panel Units are shipping with max...

Page 11: ...witch Figure 4 Back Panel Page 11 AC Outlet Uplink Alarm Downlink Alarm UPLINK DOWNLINK 0 3 0 16 6 4 2 1 2 10 1 4 1 8 2 0 2 2 24 2 6 2 0 3 0 16 6 4 2 1 2 10 1 4 1 8 2 0 2 2 24 2 6 2 8 8 Downlink IN Connector Mobile Connector Uplink OUT Connector GND Alarm Connector ...

Page 12: ...Hz D separation Km Gt transmit antenna gain in the direction of the receive antenna Gr receive antenna gain in the direction of the transmit antenna For the UHF 450 MHz frequencies the antenna isolation at 100 m separation is approximately 65 6 dB for omni directional antennas 0 dB gain To increase isolation the antennas should have higher directivity and must be pointed away from each other c Occ...

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